10-day forecast
Updated 6:39 AM
Tue · Today · 13 Oct
Sunny
24°
8°
2%
⌄
Wind9 mph N
Gusts12 mph
UV index5 – Moderate
Precip chance2%
Sunrise7:14 AM
Sunset6:34 PM
Wed · Tomorrow · 14 Oct
Sunny
27°
10°
1%
⌄
Wind4 mph NW
Gusts13 mph
UV index5 – Moderate
Precip chance1%
Sunrise7:15 AM
Sunset6:32 PM
Thursday · 15 Oct
Sunny
31°
13°
0%
⌄
Wind5 mph NE
Gusts15 mph
UV index5 – Moderate
Precip chance0%
Sunrise7:16 AM
Sunset6:31 PM
Friday · 16 Oct
Sunny
34°
15°
0%
⌄
Wind4 mph NE
Gusts15 mph
UV index6 – Moderate
Precip chance0%
Sunrise7:17 AM
Sunset6:30 PM
Saturday · 17 Oct
Sunny
32°
14°
1%
⌄
Wind8 mph W
Gusts19 mph
UV index8 – Very high
Precip chance1%
Sunrise7:18 AM
Sunset6:28 PM
Sunday · 18 Oct
Sunny
20°
11°
8%
⌄
Wind9 mph SW
Gusts15 mph
UV index5 – Moderate
Precip chance8%
Sunrise7:19 AM
Sunset6:27 PM
Monday · 19 Oct
Sunny
17°
8°
17%
⌄
Wind13 mph W
Gusts18 mph
UV index5 – Moderate
Precip chance17%
Sunrise7:20 AM
Sunset6:25 PM
Tuesday · 20 Oct
Sunny
19°
6°
4%
⌄
Wind9 mph NW
Gusts13 mph
UV index5 – Moderate
Precip chance4%
Sunrise7:21 AM
Sunset6:24 PM
Wednesday · 21 Oct
Sunny
22°
8°
2%
⌄
Wind9 mph N
Gusts15 mph
UV index6 – High
Precip chance2%
Sunrise7:22 AM
Sunset6:23 PM
Thursday · 22 Oct
Sunny
25°
9°
1%
⌄
Wind6 mph W
Gusts14 mph
UV index6 – High
Precip chance1%
Sunrise7:23 AM
Sunset6:22 PM
Details & indices
UV index
5 — Moderate
High today
Air Quality
Moderate
AQI 71 · US EPA
Allergy — Castro Valley
Sunrise7:14 AM
Sunset6:34 PM
Length of day11h 20m
Moonrise10:31 AM
Moonset8:02 PM
Next full moonOct 25 Hunter's Moon
Latitude37.6941°N
Longitude-122.0863°E
Stinson Beach (34 mi)61°
Santa Cruz Main Beach (51 mi)64°
🌤️No rain expected in the next 90 minutes
Now+30+60+90 min
Minute-by-minute precip · HRRR nowcast
Daily planner
computed from today's forecast
Laundry day
Great
Line-drying weather
Grilling
Great
Fire up the grill
Running
Fair
Lace up outside
Patio
Great
Dinner outdoors
Nearby places in California
Castro Valley, CA · Elev 164 ft · 37.69°N, 122.09°W · California · Forecast computed for these exact coordinates