San Ramon, CA Weather Forecast
Contra Costa County, California
Live radar, warnings and storm tracking for San Ramon, with free alerts the moment it counts.
The next few hours
Taller, warmer bars mean heavier rain. Dotted means no reading for that hour.
Hour by hour
Sunrise and sunset
Next five days, scored 0 to 100The first day or two use the HRRR and NBM cloud layers. Later days only have total cloud, so treat them as a rough guide.
Know when sunset at this place will be worth a photo
We score every sunrise and sunset here from the cloud, haze and smoke forecast, and let you know when one is likely to light up. Sunrise the evening before, sunset a few hours ahead.
Seven-day outlook
Free alerts for San Ramon
Every NWS warning, pushed to your phone, inbox or webhook the moment it is issued.
San Ramon, CA at a glance
San Ramon is home to about 84,929 people in Contra Costa County, across 20 square miles. It ranks 96th by population of 450 places in California with a forecast here. The nearest neighbour with its own forecast is Danville, 4 miles away.
- County
- Contra Costa County
- Population
- 84,929 2023 est.
- Land area
- 20 sq mi
- People per sq mi
- 4,234
- Forecast point
- 37.7653°N, 121.9320°W
How well can the network see San Ramon?
The nearest Doppler radar is KMUX (San Francisco, CA), to the S. Its lowest scan passes about 2,800 ft above San Ramon. Close enough to see rotation in the low part of a storm, where tornadoes form. San Ramon is closer to its radar than 53% of US cities.
The closest weather station is KLVK (Livermore Muni). Representative on most days, though a thunderstorm can hit one and miss the other.
Forecasts near San Ramon
- Danville, CA4 mi
- Dublin, CA4 mi
- Pleasanton, CA7 mi
- Livermore, CA11 mi
- Walnut Creek, CA11 mi
- Moraga, CA12 mi
- Clayton, CA12 mi
- Union City, CA12 mi
Elsewhere in California
Los AngelesSan DiegoSan JoseSan FranciscoFresnoSacramentoAll California forecasts →

