San Ramon, California Weather Forecast
Today in San Ramon: clear skies with a high near 87°F and a low around 54°F. Rain chance 0%. Rain chances peak at 22% on Tuesday. Cooling trend: highs fall from 87°F today to 76°F by Sunday.
Forecast updated 7:05 AM PDT, Oct 15
Active Weather Alerts
7-Day Forecast for San Ramon
Today 10/15
87°/54°
0%
Fri 10/16
91°/57°
0%
Sat 10/17
90°/60°
0%
Sun 10/18
76°/55°
0%
Mon 10/19
66°/51°
6%
Tue 10/20
69°/52°
22%
Wed 10/21
69°/52°
15%
Next 24 Hours
| Now | 1 PM | 2 PM | 3 PM | 4 PM | 5 PM | 6 PM | 7 PM | 8 PM | 9 PM | 10 PM | 11 PM | Fri12 AM | 1 AM | 2 AM | 3 AM | 4 AM | 5 AM | 6 AM | 7 AM | 8 AM | 9 AM | 10 AM | 11 AM | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sky | | | | | | | | |  | | | | | | | | | | | | | | | |
| Temp | 75° | 79° | 82° | 85° | 86° | 87° | 83° | 78° | 74° | 71° | 69° | 68° | 66° | 64° | 63° | 61° | 60° | 59° | 58° | 57° | 58° | 63° | 69° | 74° |
| 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 | ENE 4 | NE 4 | NE 5 | NE 5 | NE 5 | NE 4 | E 0 | SSE 0 | SW 0 | W 0 | WNW 0 | NW 0 | NW 0 | NNE 0 | NE 0 | NNE 0 | N 1 | NE 2 | E 2 | ESE 2 | ESE 3 | E 4 | E 4 | E 5 |
Growing Conditions
Growing degree days
3,082
since Apr 1, base 50°F
Rain, last 30 days
0.00 in
model analysis
Rain, year to date
13.48 in
since Jan 1
2-inch soil temperature
63°F
yesterday, daily average
Reference ET, last 7 days
0.94 in
FAO-56 grass reference
Through Oct 14. 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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