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Weather in Grass Valley, NV · National Weather Service + NOAA

Grass Valley has hot summers

Grass Valley has chilly winters and hot summers, with very little rain. A typical July afternoon reaches 94°, a January night drops to 20°, and about 22 inches of snow falls in a normal winter. In November, a normal day reaches 53° and a normal night drops to 24°.

Winter 44°/21°Spring 64°/33°Summer 89°/51°Fall 67°/33°
Right now
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Sunrise 6:23 am · sunset 4:46 pm

Getting the latest forecast from the National Weather Service…

What stands out about Grass Valley’s weather

Read from 30 years of NOAA records. Each one opens the full story on the Climate page.

Climate →
Hot summersJuly afternoons average 94°, hotter than 94% of U.S. towns.A dry climateJust 8 inches of rain and melted snow a year, less than 99% of U.S. towns.Plenty of 90° daysAbout 66 days a year reach 90°.
A normal year

Where today sits in Grass Valley’s year

Typical highs and lows month by month, from 30 years of NOAA records.

Full climate →
Winter
44° / 21°
8 days with an inch or more of snow
Spring
64° / 33°
Last frost around May 31
Summer
89° / 51°
66 days reach 90° in a normal year
Fall now
67° / 33°
First frost around Sep 17
Pastthe usual first frost (Sep 17). Last frost next spring: May 31
Best months to be outside
MayJunSep
Highs of 62–84° and lows of 40° or more
How much snow does Grass Valley get?About 22 inches a winter.When is it wettest?May, with 1.2 inches.Is it warmer than it used to be?+1.0° vs. the 20th century.

Weather talk

Road reports, first frosts and storm memories from neighbors in Grass Valley.

Town Square →
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Forecast, conditions and alerts: National Weather Service. Climate: NOAA NCEI U.S. Climate Normals, 1991–2020 and 1901–2000. Temperatures and rainfall come from NOAA’s gridded normals for Grass Valley itself (about a 3-mile square). Snow, frost dates and day counts: the NOAA station at Winnemucca Municipal Airport, NV (8 mi). Sunrise and sunset are calculated from the town’s position. Normals are 30-year averages, not a forecast.