Hourly Weather Forecast for Westborough, South San Francisco, California - The Weather Channel | Weather.com
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Hourly Weather-

As of 3:08 am PDT

Saturday, March 14

4 am

Partly Cloudy Night Partly Cloudy
51°
Rain drop 8%
WNW 6 mph
Subtract

Partly Cloudy

  • Temperature feels like
    Feels Like48°
  • WindWNW 6 mph
  • Humidity
    Humidity95%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover32%
  • Rain drop
    Rain Amount0 in

5 am

Partly Cloudy Night Partly Cloudy
50°
Rain drop 8%
WNW 7 mph
Add

Partly Cloudy

  • Temperature feels like
    Feels Like48°
  • WindWNW 7 mph
  • Humidity
    Humidity95%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover48%
  • Rain drop
    Rain Amount0 in

6 am

Partly Cloudy Night Partly Cloudy
51°
Rain drop 7%
WNW 7 mph
Add

Partly Cloudy

  • Temperature feels like
    Feels Like48°
  • WindWNW 7 mph
  • Humidity
    Humidity96%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover53%
  • Rain drop
    Rain Amount0 in

7 am

Partly Cloudy Night Partly Cloudy
51°
Rain drop 6%
WNW 8 mph
Add

Partly Cloudy

  • Temperature feels like
    Feels Like48°
  • WindWNW 8 mph
  • Humidity
    Humidity93%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover59%
  • Rain drop
    Rain Amount0 in

8 am

Partly Cloudy Day Partly Cloudy
52°
Rain drop 6%
WNW 8 mph
Add

Partly Cloudy

  • Temperature feels like
    Feels Like49°
  • WindWNW 8 mph
  • Humidity
    Humidity90%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover41%
  • Rain drop
    Rain Amount0 in

9 am

Partly Cloudy Day Partly Cloudy
54°
Rain drop 6%
WNW 9 mph
Add

Partly Cloudy

  • Temperature feels like
    Feels Like51°
  • WindWNW 9 mph
  • Humidity
    Humidity87%
  • UV index
    UV Index1 of 11
  • Cloud
    Cloud Cover33%
  • Rain drop
    Rain Amount0 in
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10 am

Mostly Clear Day Mostly Sunny
56°
Rain drop 6%
WNW 8 mph
Add

Mostly Sunny

  • Temperature feels like
    Feels Like54°
  • WindWNW 8 mph
  • Humidity
    Humidity81%
  • UV index
    UV Index2 of 11
  • Cloud
    Cloud Cover29%
  • Rain drop
    Rain Amount0 in

11 am

Mostly Clear Day Mostly Sunny
57°
Rain drop 8%
NW 11 mph
Add

Mostly Sunny

  • Temperature feels like
    Feels Like55°
  • WindNW 11 mph
  • Humidity
    Humidity78%
  • UV index
    UV Index3 of 11
  • Cloud
    Cloud Cover25%
  • Rain drop
    Rain Amount0 in

12 pm

Mostly Clear Day Mostly Sunny
59°
Rain drop 7%
NW 11 mph
Add

Mostly Sunny

  • Temperature feels like
    Feels Like57°
  • WindNW 11 mph
  • Humidity
    Humidity75%
  • UV index
    UV Index5 of 11
  • Cloud
    Cloud Cover25%
  • Rain drop
    Rain Amount0 in

1 pm

Mostly Clear Day Mostly Sunny
60°
Rain drop 3%
NW 12 mph
Add

Mostly Sunny

  • Temperature feels like
    Feels Like58°
  • WindNW 12 mph
  • Humidity
    Humidity73%
  • UV index
    UV Index5 of 11
  • Cloud
    Cloud Cover24%
  • Rain drop
    Rain Amount0 in

2 pm

Mostly Clear Day Mostly Sunny
62°
Rain drop 2%
NW 12 mph
Add

Mostly Sunny

  • Temperature feels like
    Feels Like60°
  • WindNW 12 mph
  • Humidity
    Humidity70%
  • UV index
    UV Index5 of 11
  • Cloud
    Cloud Cover25%
  • Rain drop
    Rain Amount0 in

3 pm

Partly Cloudy Day Partly Cloudy
62°
Rain drop 2%
WNW 14 mph
Add

Partly Cloudy

  • Temperature feels like
    Feels Like60°
  • WindWNW 14 mph
  • Humidity
    Humidity73%
  • UV index
    UV Index4 of 11
  • Cloud
    Cloud Cover36%
  • Rain drop
    Rain Amount0 in

4 pm

Partly Cloudy Day Partly Cloudy
63°
Rain drop 3%
WNW 15 mph
Add

Partly Cloudy

  • Temperature feels like
    Feels Like61°
  • WindWNW 15 mph
  • Humidity
    Humidity71%
  • UV index
    UV Index3 of 11
  • Cloud
    Cloud Cover35%
  • Rain drop
    Rain Amount0 in

5 pm

Partly Cloudy Day Partly Cloudy
62°
Rain drop 4%
WNW 15 mph
Add

Partly Cloudy

  • Temperature feels like
    Feels Like60°
  • WindWNW 15 mph
  • Humidity
    Humidity73%
  • UV index
    UV Index1 of 11
  • Cloud
    Cloud Cover42%
  • Rain drop
    Rain Amount0 in

6 pm

Partly Cloudy Day Partly Cloudy
60°
Rain drop 5%
WNW 15 mph
Add

Partly Cloudy

  • Temperature feels like
    Feels Like58°
  • WindWNW 15 mph
  • Humidity
    Humidity77%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover35%
  • Rain drop
    Rain Amount0 in

7 pm

Partly Cloudy Day Partly Cloudy
57°
Rain drop 10%
WNW 14 mph
Add

Partly Cloudy

  • Temperature feels like
    Feels Like54°
  • WindWNW 14 mph
  • Humidity
    Humidity85%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover43%
  • Rain drop
    Rain Amount0 in

8 pm

Mostly Cloudy Night Mostly Cloudy
55°
Rain drop 11%
WNW 12 mph
Add

Mostly Cloudy

  • Temperature feels like
    Feels Like52°
  • WindWNW 12 mph
  • Humidity
    Humidity90%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover62%
  • Rain drop
    Rain Amount0 in

9 pm

Mostly Cloudy Night Mostly Cloudy
54°
Rain drop 13%
WNW 11 mph
Add

Mostly Cloudy

  • Temperature feels like
    Feels Like51°
  • WindWNW 11 mph
  • Humidity
    Humidity94%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover64%
  • Rain drop
    Rain Amount0 in
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10 pm

Mostly Cloudy Night Mostly Cloudy
54°
Rain drop 15%
WNW 9 mph
Add

Mostly Cloudy

  • Temperature feels like
    Feels Like51°
  • WindWNW 9 mph
  • Humidity
    Humidity94%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover80%
  • Rain drop
    Rain Amount0 in

11 pm

Mostly Cloudy Night Mostly Cloudy
53°
Rain drop 14%
NW 8 mph
Add

Mostly Cloudy

  • Temperature feels like
    Feels Like51°
  • WindNW 8 mph
  • Humidity
    Humidity95%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover78%
  • Rain drop
    Rain Amount0 in

Sunday, March 15

12 am

Partly Cloudy Night Partly Cloudy
53°
Rain drop 16%
WNW 6 mph
Add

Partly Cloudy

  • Temperature feels like
    Feels Like51°
  • WindWNW 6 mph
  • Humidity
    Humidity96%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover50%
  • Rain drop
    Rain Amount0 in

1 am

Partly Cloudy Night Partly Cloudy
52°
Rain drop 16%
WNW 4 mph
Add

Partly Cloudy

  • Temperature feels like
    Feels Like51°
  • WindWNW 4 mph
  • Humidity
    Humidity96%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover49%
  • Rain drop
    Rain Amount0 in

2 am

Mostly Cloudy Night Mostly Cloudy
51°
Rain drop 17%
WNW 4 mph
Add

Mostly Cloudy

  • Temperature feels like
    Feels Like50°
  • WindWNW 4 mph
  • Humidity
    Humidity97%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover62%
  • Rain drop
    Rain Amount0 in

3 am

Mostly Cloudy Night Mostly Cloudy
50°
Rain drop 17%
WNW 3 mph
Add

Mostly Cloudy

  • Temperature feels like
    Feels Like50°
  • WindWNW 3 mph
  • Humidity
    Humidity98%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover63%
  • Rain drop
    Rain Amount0 in

4 am

Partly Cloudy Night Partly Cloudy
50°
Rain drop 16%
WNW 3 mph
Add

Partly Cloudy

  • Temperature feels like
    Feels Like50°
  • WindWNW 3 mph
  • Humidity
    Humidity98%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover52%
  • Rain drop
    Rain Amount0 in

5 am

Partly Cloudy Night Partly Cloudy
50°
Rain drop 16%
WNW 2 mph
Add

Partly Cloudy

  • Temperature feels like
    Feels Like50°
  • WindWNW 2 mph
  • Humidity
    Humidity100%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover55%
  • Rain drop
    Rain Amount0 in

6 am

Mostly Cloudy Night Mostly Cloudy
49°
Rain drop 16%
WNW 2 mph
Add

Mostly Cloudy

  • Temperature feels like
    Feels Like49°
  • WindWNW 2 mph
  • Humidity
    Humidity100%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover67%
  • Rain drop
    Rain Amount0 in

7 am

Mostly Cloudy Night Mostly Cloudy
49°
Rain drop 9%
WSW 1 mph
Add

Mostly Cloudy

  • Temperature feels like
    Feels Like49°
  • WindWSW 1 mph
  • Humidity
    Humidity100%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover62%
  • Rain drop
    Rain Amount0 in

8 am

Partly Cloudy Day Partly Cloudy
49°
Rain drop 8%
SSW 0 mph
Add

Partly Cloudy

  • Temperature feels like
    Feels Like49°
  • WindSSW 0 mph
  • Humidity
    Humidity100%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover59%
  • Rain drop
    Rain Amount0 in

9 am

Mostly Cloudy Day Mostly Cloudy
53°
Rain drop 7%
NNW 1 mph
Add

Mostly Cloudy

  • Temperature feels like
    Feels Like53°
  • WindNNW 1 mph
  • Humidity
    Humidity97%
  • UV index
    UV Index1 of 11
  • Cloud
    Cloud Cover62%
  • Rain drop
    Rain Amount0 in
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10 am

Partly Cloudy Day Partly Cloudy
57°
Rain drop 3%
NW 2 mph
Add

Partly Cloudy

  • Temperature feels like
    Feels Like57°
  • WindNW 2 mph
  • Humidity
    Humidity82%
  • UV index
    UV Index2 of 11
  • Cloud
    Cloud Cover50%
  • Rain drop
    Rain Amount0 in

11 am

Mostly Cloudy Day Mostly Cloudy
62°
Rain drop 2%
NNW 3 mph
Add

Mostly Cloudy

  • Temperature feels like
    Feels Like62°
  • WindNNW 3 mph
  • Humidity
    Humidity71%
  • UV index
    UV Index3 of 11
  • Cloud
    Cloud Cover64%
  • Rain drop
    Rain Amount0 in

12 pm

Partly Cloudy Day Partly Cloudy
64°
Rain drop 2%
NW 5 mph
Add

Partly Cloudy

  • Temperature feels like
    Feels Like64°
  • WindNW 5 mph
  • Humidity
    Humidity65%
  • UV index
    UV Index4 of 11
  • Cloud
    Cloud Cover57%
  • Rain drop
    Rain Amount0 in

1 pm

Mostly Cloudy Day Mostly Cloudy
64°
Rain drop 6%
NW 8 mph
Add

Mostly Cloudy

  • Temperature feels like
    Feels Like64°
  • WindNW 8 mph
  • Humidity
    Humidity65%
  • UV index
    UV Index5 of 11
  • Cloud
    Cloud Cover61%
  • Rain drop
    Rain Amount0 in

2 pm

Partly Cloudy Day Partly Cloudy
65°
Rain drop 4%
NW 9 mph
Add

Partly Cloudy

  • Temperature feels like
    Feels Like64°
  • WindNW 9 mph
  • Humidity
    Humidity62%
  • UV index
    UV Index5 of 11
  • Cloud
    Cloud Cover59%
  • Rain drop
    Rain Amount0 in

3 pm

Mostly Cloudy Day Mostly Cloudy
65°
Rain drop 1%
WNW 10 mph
Add

Mostly Cloudy

  • Temperature feels like
    Feels Like65°
  • WindWNW 10 mph
  • Humidity
    Humidity59%
  • UV index
    UV Index3 of 11
  • Cloud
    Cloud Cover64%
  • Rain drop
    Rain Amount0 in

4 pm

Mostly Cloudy Day Mostly Cloudy
66°
Rain drop 1%
WNW 10 mph
Add

Mostly Cloudy

  • Temperature feels like
    Feels Like66°
  • WindWNW 10 mph
  • Humidity
    Humidity56%
  • UV index
    UV Index2 of 11
  • Cloud
    Cloud Cover68%
  • Rain drop
    Rain Amount0 in

5 pm

Partly Cloudy Day Partly Cloudy
65°
Rain drop 1%
WNW 10 mph
Add

Partly Cloudy

  • Temperature feels like
    Feels Like65°
  • WindWNW 10 mph
  • Humidity
    Humidity58%
  • UV index
    UV Index1 of 11
  • Cloud
    Cloud Cover53%
  • Rain drop
    Rain Amount0 in

6 pm

Partly Cloudy Day Partly Cloudy
63°
Rain drop 2%
WNW 9 mph
Add

Partly Cloudy

  • Temperature feels like
    Feels Like63°
  • WindWNW 9 mph
  • Humidity
    Humidity61%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover56%
  • Rain drop
    Rain Amount0 in

7 pm

Mostly Cloudy Day Mostly Cloudy
60°
Rain drop 6%
WNW 8 mph
Add

Mostly Cloudy

  • Temperature feels like
    Feels Like59°
  • WindWNW 8 mph
  • Humidity
    Humidity70%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover60%
  • Rain drop
    Rain Amount0 in

8 pm

Partly Cloudy Night Partly Cloudy
58°
Rain drop 6%
W 7 mph
Add

Partly Cloudy

  • Temperature feels like
    Feels Like56°
  • WindW 7 mph
  • Humidity
    Humidity75%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover49%
  • Rain drop
    Rain Amount0 in

9 pm

Partly Cloudy Night Partly Cloudy
56°
Rain drop 7%
W 6 mph
Add

Partly Cloudy

  • Temperature feels like
    Feels Like55°
  • WindW 6 mph
  • Humidity
    Humidity78%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover50%
  • Rain drop
    Rain Amount0 in
Advertisement

10 pm

Partly Cloudy Night Partly Cloudy
56°
Rain drop 6%
W 5 mph
Add

Partly Cloudy

  • Temperature feels like
    Feels Like55°
  • WindW 5 mph
  • Humidity
    Humidity80%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover47%
  • Rain drop
    Rain Amount0 in

11 pm

Partly Cloudy Night Partly Cloudy
54°
Rain drop 6%
W 3 mph
Add

Partly Cloudy

  • Temperature feels like
    Feels Like54°
  • WindW 3 mph
  • Humidity
    Humidity81%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover50%
  • Rain drop
    Rain Amount0 in

Monday, March 16

12 am

Partly Cloudy Night Partly Cloudy
54°
Rain drop 7%
WSW 3 mph
Add

Partly Cloudy

  • Temperature feels like
    Feels Like54°
  • WindWSW 3 mph
  • Humidity
    Humidity81%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover35%
  • Rain drop
    Rain Amount0 in

1 am

Partly Cloudy Night Partly Cloudy
53°
Rain drop 6%
SW 2 mph
Add

Partly Cloudy

  • Temperature feels like
    Feels Like53°
  • WindSW 2 mph
  • Humidity
    Humidity82%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover45%
  • Rain drop
    Rain Amount0 in

2 am

Partly Cloudy Night Partly Cloudy
52°
Rain drop 5%
SE 2 mph
Add

Partly Cloudy

  • Temperature feels like
    Feels Like52°
  • WindSE 2 mph
  • Humidity
    Humidity81%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover54%
  • Rain drop
    Rain Amount0 in

3 am

Mostly Cloudy Night Mostly Cloudy
52°
Rain drop 4%
SE 1 mph
Add

Mostly Cloudy

  • Temperature feels like
    Feels Like52°
  • WindSE 1 mph
  • Humidity
    Humidity80%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover63%
  • Rain drop
    Rain Amount0 in
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