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Weather in Williams, CA · National Weather Service + NOAA

Williams has hot summers

Williams has mild winters and hot summers. A typical July afternoon reaches 96°, a January night drops to 38°, and snow is almost unheard of. Normal November highs come to 66°, and lows to 42°.

Winter 59°/39°Spring 75°/47°Summer 94°/60°Fall 79°/49°
Right now
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Sunrise 6:36 am · sunset 5:07 pm

Getting the latest forecast from the National Weather Service…

What stands out about Williams’s weather

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

Climate →
Hot summersJuly afternoons average 96°, hotter than 97% of U.S. towns.Snow is rareNo measurable snow in a normal year.Plenty of 90° daysAbout 85 days a year reach 90°.
A normal year

Where today sits in Williams’s year

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

Full climate →
Winter
59° / 39°
Snow is rare
Spring
75° / 47°
Last frost around Feb 14
Summer
94° / 60°
85 days reach 90° in a normal year
Fall now
79° / 49°
First frost around Dec 1
29 daysuntil the usual first frost (Dec 1)
Best months to be outside
FebMarAprMayOctNov
Highs of 62–84° and lows of 40° or more
How much snow does Williams get?Almost none.When is it wettest?December, with 5.4 inches.Is it warmer than it used to be?+1.3° vs. the 20th century.

Weather talk

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

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 Williams itself (about a 3-mile square). Snow, frost dates and day counts: the NOAA station at Colusa 2 Ssw, CA (7 mi). Sunrise and sunset are calculated from the town’s position. Normals are 30-year averages, not a forecast.