Hourly Weather Forecast for Portola Valley, California 94028 - The Weather Channel | Weather.com
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Hourly Weather-

As of 6:00 pm PDT
alertLevel3

Small Craft Advisory

Tuesday, March 31

6 pm

Cloudy Cloudy
59°
Rain drop 13%
SW 7 mph
Subtract

Cloudy

  • Temperature feels like
    Feels Like58°
  • WindSW 7 mph
  • Humidity
    Humidity81%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover85%
  • Rain drop
    Rain Amount0 in

7 pm

Mostly Cloudy Day Mostly Cloudy
58°
Rain drop 19%
SW 6 mph
Add

Mostly Cloudy

  • Temperature feels like
    Feels Like57°
  • WindSW 6 mph
  • Humidity
    Humidity84%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover79%
  • Rain drop
    Rain Amount0 in

8 pm

Mostly Cloudy Night Mostly Cloudy
56°
Rain drop 11%
SSW 4 mph
Add

Mostly Cloudy

  • Temperature feels like
    Feels Like56°
  • WindSSW 4 mph
  • Humidity
    Humidity86%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover79%
  • Rain drop
    Rain Amount0 in

9 pm

Mostly Cloudy Night Mostly Cloudy
56°
Rain drop 7%
SSW 5 mph
Add

Mostly Cloudy

  • Temperature feels like
    Feels Like56°
  • WindSSW 5 mph
  • Humidity
    Humidity87%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover74%
  • Rain drop
    Rain Amount0 in

10 pm

Partly Cloudy Night Partly Cloudy
55°
Rain drop 7%
S 4 mph
Add

Partly Cloudy

  • Temperature feels like
    Feels Like54°
  • WindS 4 mph
  • Humidity
    Humidity91%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover58%
  • Rain drop
    Rain Amount0 in

11 pm

Partly Cloudy Night Partly Cloudy
55°
Rain drop 9%
S 4 mph
Add

Partly Cloudy

  • Temperature feels like
    Feels Like54°
  • WindS 4 mph
  • Humidity
    Humidity93%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover54%
  • Rain drop
    Rain Amount0 in
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Wednesday, April 1

12 am

Partly Cloudy Night Partly Cloudy
54°
Rain drop 10%
S 4 mph
Add

Partly Cloudy

  • Temperature feels like
    Feels Like54°
  • WindS 4 mph
  • Humidity
    Humidity94%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover57%
  • Rain drop
    Rain Amount0 in

1 am

Partly Cloudy Night Partly Cloudy
54°
Rain drop 23%
S 4 mph
Add

Partly Cloudy

  • Temperature feels like
    Feels Like53°
  • WindS 4 mph
  • Humidity
    Humidity94%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover57%
  • Rain drop
    Rain Amount0 in

2 am

Mostly Cloudy Night Mostly Cloudy
54°
Rain drop 24%
S 4 mph
Add

Mostly Cloudy

  • Temperature feels like
    Feels Like53°
  • WindS 4 mph
  • Humidity
    Humidity94%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover76%
  • Rain drop
    Rain Amount0 in

3 am

Cloudy Cloudy
54°
Rain drop 23%
S 3 mph
Add

Cloudy

  • Temperature feels like
    Feels Like54°
  • WindS 3 mph
  • Humidity
    Humidity94%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover86%
  • Rain drop
    Rain Amount0 in

4 am

Cloudy Cloudy
53°
Rain drop 21%
S 4 mph
Add

Cloudy

  • Temperature feels like
    Feels Like53°
  • WindS 4 mph
  • Humidity
    Humidity94%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover95%
  • Rain drop
    Rain Amount0 in

5 am

Cloudy Cloudy
54°
Rain drop 22%
S 3 mph
Add

Cloudy

  • Temperature feels like
    Feels Like54°
  • WindS 3 mph
  • Humidity
    Humidity95%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover93%
  • Rain drop
    Rain Amount0 in

6 am

Cloudy Cloudy
53°
Rain drop 20%
S 3 mph
Add

Cloudy

  • Temperature feels like
    Feels Like53°
  • WindS 3 mph
  • Humidity
    Humidity98%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover88%
  • Rain drop
    Rain Amount0 in

7 am

Cloudy Cloudy
53°
Rain drop 18%
S 4 mph
Add

Cloudy

  • Temperature feels like
    Feels Like52°
  • WindS 4 mph
  • Humidity
    Humidity98%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover90%
  • Rain drop
    Rain Amount0 in

8 am

Mostly Cloudy Day Mostly Cloudy
53°
Rain drop 19%
S 5 mph
Add

Mostly Cloudy

  • Temperature feels like
    Feels Like52°
  • WindS 5 mph
  • Humidity
    Humidity96%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover75%
  • Rain drop
    Rain Amount0 in

9 am

Cloudy Cloudy
57°
Rain drop 24%
S 7 mph
Add

Cloudy

  • Temperature feels like
    Feels Like55°
  • WindS 7 mph
  • Humidity
    Humidity92%
  • UV index
    UV Index1 of 11
  • Cloud
    Cloud Cover87%
  • Rain drop
    Rain Amount0 in

10 am

Mostly Cloudy Day Mostly Cloudy
58°
Rain drop 24%
SSW 9 mph
Add

Mostly Cloudy

  • Temperature feels like
    Feels Like57°
  • WindSSW 9 mph
  • Humidity
    Humidity90%
  • UV index
    UV Index2 of 11
  • Cloud
    Cloud Cover76%
  • Rain drop
    Rain Amount0 in

11 am

Showers Showers
59°
Rain drop 42%
SSW 11 mph
Add

Showers

  • Temperature feels like
    Feels Like57°
  • WindSSW 11 mph
  • Humidity
    Humidity89%
  • UV index
    UV Index3 of 11
  • Cloud
    Cloud Cover83%
  • Rain drop
    Rain Amount0.01 in
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12 pm

Showers Showers
60°
Rain drop 42%
SSW 12 mph
Add

Showers

  • Temperature feels like
    Feels Like57°
  • WindSSW 12 mph
  • Humidity
    Humidity84%
  • UV index
    UV Index5 of 11
  • Cloud
    Cloud Cover71%
  • Rain drop
    Rain Amount0.01 in

1 pm

Showers Showers
59°
Rain drop 45%
SW 12 mph
Add

Showers

  • Temperature feels like
    Feels Like57°
  • WindSW 12 mph
  • Humidity
    Humidity86%
  • UV index
    UV Index4 of 11
  • Cloud
    Cloud Cover87%
  • Rain drop
    Rain Amount0.01 in

2 pm

Showers Showers
59°
Rain drop 45%
SW 13 mph
Add

Showers

  • Temperature feels like
    Feels Like56°
  • WindSW 13 mph
  • Humidity
    Humidity87%
  • UV index
    UV Index5 of 11
  • Cloud
    Cloud Cover75%
  • Rain drop
    Rain Amount0.01 in

3 pm

Showers Showers
60°
Rain drop 36%
SW 14 mph
Add

Showers

  • Temperature feels like
    Feels Like57°
  • WindSW 14 mph
  • Humidity
    Humidity82%
  • UV index
    UV Index3 of 11
  • Cloud
    Cloud Cover78%
  • Rain drop
    Rain Amount0.01 in

4 pm

Mostly Cloudy Day Mostly Cloudy
59°
Rain drop 24%
WSW 13 mph
Add

Mostly Cloudy

  • Temperature feels like
    Feels Like57°
  • WindWSW 13 mph
  • Humidity
    Humidity81%
  • UV index
    UV Index3 of 11
  • Cloud
    Cloud Cover69%
  • Rain drop
    Rain Amount0 in

5 pm

Mostly Cloudy Day Mostly Cloudy
59°
Rain drop 20%
WSW 12 mph
Add

Mostly Cloudy

  • Temperature feels like
    Feels Like57°
  • WindWSW 12 mph
  • Humidity
    Humidity79%
  • UV index
    UV Index1 of 11
  • Cloud
    Cloud Cover68%
  • Rain drop
    Rain Amount0 in

6 pm

Cloudy Cloudy
58°
Rain drop 22%
WSW 11 mph
Add

Cloudy

  • Temperature feels like
    Feels Like56°
  • WindWSW 11 mph
  • Humidity
    Humidity81%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover84%
  • Rain drop
    Rain Amount0 in

7 pm

Showers Showers
57°
Rain drop 41%
SW 9 mph
Add

Showers

  • Temperature feels like
    Feels Like55°
  • WindSW 9 mph
  • Humidity
    Humidity84%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover83%
  • Rain drop
    Rain Amount0.01 in

8 pm

Showers Showers
56°
Rain drop 46%
SW 9 mph
Add

Showers

  • Temperature feels like
    Feels Like53°
  • WindSW 9 mph
  • Humidity
    Humidity88%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover90%
  • Rain drop
    Rain Amount0.01 in

9 pm

Showers Showers
55°
Rain drop 58%
SW 8 mph
Add

Showers

  • Temperature feels like
    Feels Like53°
  • WindSW 8 mph
  • Humidity
    Humidity91%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover84%
  • Rain drop
    Rain Amount0.02 in

10 pm

Showers Showers
55°
Rain drop 58%
SW 8 mph
Add

Showers

  • Temperature feels like
    Feels Like53°
  • WindSW 8 mph
  • Humidity
    Humidity92%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover92%
  • Rain drop
    Rain Amount0.03 in

11 pm

Rain Rain
55°
Rain drop 73%
SW 8 mph
Add

Rain

  • Temperature feels like
    Feels Like53°
  • WindSW 8 mph
  • Humidity
    Humidity93%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover100%
  • Rain drop
    Rain Amount0.04 in
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Thursday, April 2

12 am

Showers Light Rain
55°
Rain drop 81%
SW 7 mph
Add

Light Rain

  • Temperature feels like
    Feels Like53°
  • WindSW 7 mph
  • Humidity
    Humidity94%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover96%
  • Rain drop
    Rain Amount0.02 in

1 am

Showers Showers
54°
Rain drop 51%
WSW 7 mph
Add

Showers

  • Temperature feels like
    Feels Like52°
  • WindWSW 7 mph
  • Humidity
    Humidity94%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover89%
  • Rain drop
    Rain Amount0.01 in

2 am

Cloudy Cloudy
53°
Rain drop 24%
WNW 6 mph
Add

Cloudy

  • Temperature feels like
    Feels Like51°
  • WindWNW 6 mph
  • Humidity
    Humidity91%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover85%
  • Rain drop
    Rain Amount0 in

3 am

Cloudy Cloudy
51°
Rain drop 19%
WNW 6 mph
Add

Cloudy

  • Temperature feels like
    Feels Like49°
  • WindWNW 6 mph
  • Humidity
    Humidity92%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover87%
  • Rain drop
    Rain Amount0 in

4 am

Mostly Cloudy Night Mostly Cloudy
50°
Rain drop 12%
NW 6 mph
Add

Mostly Cloudy

  • Temperature feels like
    Feels Like48°
  • WindNW 6 mph
  • Humidity
    Humidity92%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover69%
  • Rain drop
    Rain Amount0 in

5 am

Partly Cloudy Night Partly Cloudy
49°
Rain drop 7%
NNW 4 mph
Add

Partly Cloudy

  • Temperature feels like
    Feels Like48°
  • WindNNW 4 mph
  • Humidity
    Humidity91%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover36%
  • Rain drop
    Rain Amount0 in

6 am

Mostly Clear Night Mostly Clear
47°
Rain drop 7%
NNW 4 mph
Add

Mostly Clear

  • Temperature feels like
    Feels Like46°
  • WindNNW 4 mph
  • Humidity
    Humidity93%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover23%
  • Rain drop
    Rain Amount0 in

7 am

Sunny Sunny
46°
Rain drop 7%
NNW 4 mph
Add

Sunny

  • Temperature feels like
    Feels Like44°
  • WindNNW 4 mph
  • Humidity
    Humidity92%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover11%
  • Rain drop
    Rain Amount0 in

8 am

Sunny Sunny
48°
Rain drop 6%
NNW 4 mph
Add

Sunny

  • Temperature feels like
    Feels Like46°
  • WindNNW 4 mph
  • Humidity
    Humidity86%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover15%
  • Rain drop
    Rain Amount0 in

9 am

Sunny Sunny
51°
Rain drop 4%
NNW 6 mph
Add

Sunny

  • Temperature feels like
    Feels Like49°
  • WindNNW 6 mph
  • Humidity
    Humidity79%
  • UV index
    UV Index1 of 11
  • Cloud
    Cloud Cover17%
  • Rain drop
    Rain Amount0 in

10 am

Sunny Sunny
54°
Rain drop 2%
NNW 8 mph
Add

Sunny

  • Temperature feels like
    Feels Like51°
  • WindNNW 8 mph
  • Humidity
    Humidity70%
  • UV index
    UV Index3 of 11
  • Cloud
    Cloud Cover12%
  • Rain drop
    Rain Amount0 in

11 am

Sunny Sunny
55°
Rain drop 1%
NNW 10 mph
Add

Sunny

  • Temperature feels like
    Feels Like52°
  • WindNNW 10 mph
  • Humidity
    Humidity63%
  • UV index
    UV Index4 of 11
  • Cloud
    Cloud Cover13%
  • Rain drop
    Rain Amount0 in
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12 pm

Sunny Sunny
57°
Rain drop 1%
NNW 10 mph
Add

Sunny

  • Temperature feels like
    Feels Like55°
  • WindNNW 10 mph
  • Humidity
    Humidity55%
  • UV index
    UV Index6 of 11
  • Cloud
    Cloud Cover9%
  • Rain drop
    Rain Amount0 in

1 pm

Sunny Sunny
59°
Rain drop 0%
NNW 11 mph
Add

Sunny

  • Temperature feels like
    Feels Like57°
  • WindNNW 11 mph
  • Humidity
    Humidity52%
  • UV index
    UV Index7 of 11
  • Cloud
    Cloud Cover7%
  • Rain drop
    Rain Amount0 in

2 pm

Sunny Sunny
60°
Rain drop 0%
NNW 12 mph
Add

Sunny

  • Temperature feels like
    Feels Like58°
  • WindNNW 12 mph
  • Humidity
    Humidity51%
  • UV index
    UV Index6 of 11
  • Cloud
    Cloud Cover3%
  • Rain drop
    Rain Amount0 in

3 pm

Sunny Sunny
61°
Rain drop 0%
NNW 13 mph
Add

Sunny

  • Temperature feels like
    Feels Like59°
  • WindNNW 13 mph
  • Humidity
    Humidity48%
  • UV index
    UV Index5 of 11
  • Cloud
    Cloud Cover2%
  • Rain drop
    Rain Amount0 in

4 pm

Sunny Sunny
61°
Rain drop 0%
NNW 13 mph
Add

Sunny

  • Temperature feels like
    Feels Like59°
  • WindNNW 13 mph
  • Humidity
    Humidity49%
  • UV index
    UV Index3 of 11
  • Cloud
    Cloud Cover1%
  • Rain drop
    Rain Amount0 in

5 pm

Sunny Sunny
61°
Rain drop 0%
NW 13 mph
Add

Sunny

  • Temperature feels like
    Feels Like59°
  • WindNW 13 mph
  • Humidity
    Humidity50%
  • UV index
    UV Index2 of 11
  • Cloud
    Cloud Cover0%
  • Rain drop
    Rain Amount0 in
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