Grass Valley, CA Weather Forecast
Nevada County, California
Live radar, warnings and storm tracking for Grass Valley, with free alerts the moment it counts.
The next few hours
Dry for the moment, with rain moving in overnight
It is 51° with a dew point of 47°, which is dry for this time of year. The sky is mostly cloudy.
Pressure is easing down, 0.03 inHg over the last hour. The wind turns to the south-southeast around 1 AM. The first rain arrives between 1 AM and 2 AM, with the best chance of it around noon. That leaves a usable window outdoors until about 1 AM, and it closes quickly after that.
Taller, warmer bars mean heavier rain. Dotted means no reading for that hour.
Hour by hour
A long wet stretch ahead
The wet part of the window runs from about 1 AM to 9 PM, 19 hours of it, with the highest chance near noon. Total accumulation over the window comes to about 1.42 in.
It tapers off after 9 PM. The overnight low settles near 47°. Tomorrow tops out near 52°. It also gets muggier, so tomorrow will feel warmer than the number on its own suggests.
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
35–54°F across the weekThe week runs between 36° and 54°, with Saturday the warmest day of it. There is no real trend across it: one day looks much like the next. Tomorrow is the wettest day, peaking near 100%. 3 of the 7 days stay dry.
Free alerts for Grass Valley
Every NWS warning, pushed to your phone, inbox or webhook the moment it is issued.
Grass Valley, CA at a glance
Grass Valley is home to about 14,074 people in Nevada County, across 6 square miles. It ranks 331st by population of 450 places in California with a forecast here. The nearest neighbour with its own forecast is Nevada City, 3 miles away.
- County
- Nevada County
- Population
- 14,074 2023 est.
- Land area
- 6 sq mi
- People per sq mi
- 2,347
- Forecast point
- 39.2203°N, 121.0527°W
How well can the network see Grass Valley?
The nearest Doppler radar is KBBX (Beale AFB, CA), to the WNW. Its lowest scan passes about 2,300 ft above Grass Valley. Close enough to see rotation in the low part of a storm, where tornadoes form. Grass Valley is closer to its radar than 61% of US cities.
The closest weather station is KGOO (Grass Valley/Nevada Cnty). Close enough that its readings are the conditions in town.
Forecasts near Grass Valley
- Nevada City, CA3 mi
- Wheatland, CA22 mi
- Auburn, CA23 mi
- Lincoln, CA27 mi
- Marysville, CA29 mi
- Loomis, CA29 mi
- Rocklin, CA30 mi
- Yuba City, CA32 mi
Elsewhere in California
Los AngelesSan DiegoSan JoseSan FranciscoFresnoSacramentoAll California forecasts →