Weather Forecast and Conditions for Castro Valley, California 94552 - The Weather Channel | Weather.com
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48° Clear Night
Clear
Day 79° • Night 45°
Feels Like48°
Sunrise

7:21 am

Sunset

7:13 pm

Temperature
High / Low
--/45°
Wind
2 mph
Humidity
Humidity
88%
Dew point
Dew Point
45°
Pressure
Pressure
30.19 in
UV index
UV Index
0 of 11
Visibility
Visibility
9 mi
Moon Phase - Day 23
Moon Phase
Waning Crescent

Hourly Weather-

Now

Partly Cloudy Night Partly Cloudy
48°
Rain drop 2%
SSE 2 mph
Subtract

Partly Cloudy

  • Temperature feels like
    Feels Like48°
  • WindSSE 2 mph
  • Humidity
    Humidity87%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover30%
  • Rain drop
    Rain Amount0 in

2 am

Partly Cloudy Night Partly Cloudy
47°
Rain drop 3%
SE 1 mph
Add

Partly Cloudy

  • Temperature feels like
    Feels Like47°
  • WindSE 1 mph
  • Humidity
    Humidity89%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover39%
  • Rain drop
    Rain Amount0 in

3 am

Partly Cloudy Night Partly Cloudy
47°
Rain drop 3%
SSE 1 mph
Add

Partly Cloudy

  • Temperature feels like
    Feels Like47°
  • WindSSE 1 mph
  • Humidity
    Humidity90%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover59%
  • Rain drop
    Rain Amount0 in

4 am

Partly Cloudy Night Partly Cloudy
48°
Rain drop 3%
S 2 mph
Add

Partly Cloudy

  • Temperature feels like
    Feels Like48°
  • WindS 2 mph
  • Humidity
    Humidity86%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover55%
  • Rain drop
    Rain Amount0 in
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10 Day Weather-

Tonight

Partly Cloudy Night Partly Cloudy
--/45°
Rain drop 5%
Subtract

Night

45°
Partly Cloudy Night
Rain drop
5%
SSE 3 mph

Partly cloudy skies. Low around 45F. Winds light and variable.

  • Humidity
    Humidity88%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise3:42 am
  • Moonset
    Moonset12:45 pm
  • Moon Phase - Day 23 Waning Crescent

Fri 13

Partly Cloudy Day Partly Cloudy
71°/48°
Rain drop 10%
Add

Day

71°
Partly Cloudy Day
Rain drop
10%
SW 9 mph

Mostly cloudy skies early will become partly cloudy later in the day. High 71F. Winds SW at 5 to 10 mph.

  • Humidity
    Humidity63%
  • UV index
    UV Index5 of 11
  • Sunrise
    Sunrise7:21 am
  • Sunset
    Sunset7:13 pm

Night

48°
Partly Cloudy Night
Rain drop
18%
SW 6 mph

Partly to mostly cloudy. Low 48F. Winds light and variable.

  • Humidity
    Humidity83%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise4:27 am
  • Moonset
    Moonset1:45 pm
  • Moon Phase - Day 24 Waning Crescent

Sat 14

Partly Cloudy Day Partly Cloudy
73°/49°
Rain drop 12%
Add

Day

73°
Partly Cloudy Day
Rain drop
12%
WSW 10 mph

Partly cloudy skies. High 73F. Winds WSW at 5 to 10 mph.

  • Humidity
    Humidity64%
  • UV index
    UV Index5 of 11
  • Sunrise
    Sunrise7:20 am
  • Sunset
    Sunset7:14 pm

Night

49°
Partly Cloudy Night
Rain drop
12%
SSW 7 mph

A few clouds from time to time. Low 49F. Winds SSW at 5 to 10 mph.

  • Humidity
    Humidity84%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise5:05 am
  • Moonset
    Moonset2:49 pm
  • Moon Phase - Day 25 Waning Crescent

Sun 15

Partly Cloudy Day Partly Cloudy
80°/54°
Rain drop 6%
Add

Day

80°
Partly Cloudy Day
Rain drop
6%
NNW 8 mph

Partly cloudy skies in the morning will give way to cloudy skies during the afternoon. Near record high temperatures. High around 80F. Winds NNW at 5 to 10 mph.

  • Humidity
    Humidity46%
  • UV index
    UV Index4 of 11
  • Sunrise
    Sunrise7:18 am
  • Sunset
    Sunset7:15 pm

Night

54°
Partly Cloudy Night
Rain drop
1%
NE 4 mph

A few clouds from time to time. Low 54F. Winds light and variable.

  • Humidity
    Humidity60%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise5:38 am
  • Moonset
    Moonset3:55 pm
  • Moon Phase - Day 26 Waning Crescent
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