10-day forecast · Castro Valley
Day-by-day outlook up to 14 days: highs, lows, precipitation totals, wind and UV. Planning further ahead? Open the 30-day outlook →
Wed · Today
Sunny
82°
51°
1%
⌄
Wind6 mph NW
Gusts15 mph
UV index5 – Moderate
Precip chance1%
Sunrise7:15 AM
Sunset6:32 PM
Thu · Tomorrow
Sunny
88°
55°
0%
⌄
Wind5 mph NE
Gusts14 mph
UV index5 – Moderate
Precip chance0%
Sunrise7:16 AM
Sunset6:31 PM
Friday 16/10
Sunny
94°
60°
0%
⌄
Wind4 mph NE
Gusts16 mph
UV index6 – Moderate
Precip chance0%
Sunrise7:17 AM
Sunset6:30 PM
Saturday 17/10
Sunny
91°
58°
1%
⌄
Wind8 mph W
Gusts19 mph
UV index5 – Moderate
Precip chance1%
Sunrise7:18 AM
Sunset6:28 PM
Sunday 18/10
Sunny
73°
50°
5%
⌄
Wind7 mph SW
Gusts15 mph
UV index6 – High
Precip chance5%
Sunrise7:19 AM
Sunset6:27 PM
Monday 19/10
Mostly cloudy
64°
47°
14%
⌄
Wind8 mph W
Gusts10 mph
UV index4 – Moderate
Precip chance14%
Sunrise7:20 AM
Sunset6:25 PM
Tuesday 20/10
Mostly cloudy
65°
47°
16%
⌄
Wind5 mph W
Gusts15 mph
UV index4 – Moderate
Precip chance16%
Sunrise7:21 AM
Sunset6:24 PM
Wednesday 21/10
Mostly cloudy
69°
50°
10%
⌄
Wind9 mph W
Gusts11 mph
UV index6 – High
Precip chance10%
Sunrise7:22 AM
Sunset6:23 PM
Thursday 22/10
Sunny
74°
50°
7%
⌄
Wind8 mph W
Gusts15 mph
UV index6 – High
Precip chance7%
Sunrise7:23 AM
Sunset6:22 PM
Friday 23/10
Sunny
76°
50°
5%
⌄
Wind6 mph W
Gusts17 mph
UV index6 – High
Precip chance5%
Sunrise7:24 AM
Sunset6:20 PM
Saturday 24/10
Partly cloudy
82°
53°
5%
⌄
Wind4 mph NE
Gusts15 mph
UV index7 – High
Precip chance5%
Sunrise7:25 AM
Sunset6:19 PM
Sunday 25/10
Mostly cloudy
88°
57°
6%
⌄
Wind5 mph W
Gusts13 mph
UV index8 – Very high
Precip chance6%
Sunrise7:26 AM
Sunset6:18 PM
Monday 26/10
Mostly cloudy
85°
57°
8%
⌄
Wind4 mph W
Gusts15 mph
UV index6 – High
Precip chance8%
Sunrise7:27 AM
Sunset6:17 PM
Tuesday 27/10
Sunny
86°
55°
3%
⌄
Wind3 mph W
Gusts14 mph
UV index7 – High
Precip chance3%
Sunrise7:28 AM
Sunset6:15 PM