Weather Forecast and Radar for Grass Valley, California

Current & 7-day weather forecast, weather alerts, and weather radar for Grass Valley, California.
All times shown in your local timezone

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Temperature Forecast for Grass Valley, California

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Temperature Forecast for Grass Valley, California

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Weather Radar for Grass Valley, California

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Weather in Grass Valley, CA

Grass Valley, California, is known for its moderate weather year-round. Summers are warm with temperatures ranging from the high 70s to the low 90s (25-32C). The hottest month is July, and the average high temperature is 88°F (31C). Winters are mild with temperatures ranging from the mid-30s to the mid-50s (1-12C). The coldest month is January, and the average low temperature is 38°F (3C). Spring and autumn months are usually mild with temperatures ranging from the mid-50s to the mid-70s (12-24C). Rainfall is abundant throughout the year with an average of 40 inches (101 cm). Snow is rare and usually occurs in the higher elevations of the Sierra Nevada mountain range.

Fast Facts About Grass Valley, CA

As of 2020, the city population is 12817.

Major Cities Nearby Grass Valley, CA

This map shows the current & 7-day weather forecast, weather alerts, and weather radar for Grass Valley, California.