San Ramon, California Weather Forecast
Today in San Ramon: mostly sunny with a high near 67°F and a low around 52°F. Rain chance 2%. No day tops a 20% rain chance through Thursday. Highs run 64 to 71°F through Thursday.
Forecast updated 1:05 AM PDT, Oct 23
Active Weather Alerts
7-Day Forecast for San Ramon
Today 10/23
67°52°
Sat 10/24
70°47°
Sun 10/25
71°47°
Mon 10/26
66°48°
Tue 10/27
66°45°
Wed 10/28
65°46°
Thu 10/29
64°47°
Next 24 Hours
| Now | 11 AM | 12 PM | 1 PM | 2 PM | 3 PM | 4 PM | 5 PM | 6 PM | 7 PM | 8 PM | 9 PM | 10 PM | 11 PM | Sat12 AM | 1 AM | 2 AM | 3 AM | 4 AM | 5 AM | 6 AM | 7 AM | 8 AM | 9 AM | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sky |  | | | | | | | | | |  | | | | | | | | | | | | | |
| Temp | 56° | 58° | 61° | 63° | 64° | 66° | 67° | 66° | 63° | 58° | 56° | 54° | 53° | 53° | 52° | 52° | 51° | 50° | 49° | 49° | 48° | 47° | 47° | 51° |
| Rain | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% |
| Wind | N 3 | N 5 | N 6 | N 7 | N 8 | N 8 | N 8 | NNW 7 | NW 5 | WNW 3 | WNW 1 | W 1 | W 0 | W 0 | W 0 | W 0 | NNW 1 | NNW 1 | N 1 | NW 1 | WNW 1 | SSE 1 | SE 2 | ENE 4 |
Growing Conditions
Growing degree days
3,198
since Apr 1, base 50°F
Rain, last 30 days
0.26 in
model analysis
Rain, year to date
13.73 in
since Jan 1
2-inch soil temperature
60°F
yesterday, daily average
Reference ET, last 7 days
0.76 in
FAO-56 grass reference
Through Oct 22. Season totals use model analysis for this point and update every morning.
Soil, ET and spray tools for San Ramon →
Current Stats & Observations
NWS Forecast
About San Ramon Weather
San Ramon sits at about 564 feet above sea level in Contra Costa County, California. About 75,995 people live in the San Ramon area. Official forecasts and warnings for the area come from the National Weather Service MTR office, and the nearest NEXRAD radar site is KMUX. The city is in USDA plant hardiness zone 9b, where the coldest winter night typically falls between 25 to 30°F.
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