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Weather in Jamestown, WA · National Weather Service + NOAA

Jamestown stays cool in summer

Jamestown has mild winters and cool summers, with very little rain. A typical July afternoon reaches 70°, a January night drops to 36°, and about 1 inches of snow falls in a normal winter. In November, a normal day reaches 50° and a normal night drops to 38°.

Winter 47°/35°Spring 57°/42°Summer 69°/52°Fall 58°/44°
Right now
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Sunrise 10:01 am · sunset 7:50 pm

Getting the latest forecast from the National Weather Service…

What stands out about Jamestown’s weather

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

Climate →
Cool summersJuly afternoons average 70°, cooler than 99% of U.S. towns.A dry climateJust 18 inches of rain and melted snow a year, less than 91% of U.S. towns.Less snow than most of WashingtonAbout 1 inches a winter, less than 500 of 575 Washington towns.
A normal year

Where today sits in Jamestown’s year

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

Full climate →
Winter
47° / 35°
Snow is rare
Spring
57° / 42°
Last frost around Apr 21
Summer
69° / 52°
90° days are rare
Fall now
58° / 44°
First frost around Oct 20
Pastthe usual first frost (Oct 20). Last frost next spring: Apr 21
Best months to be outside
JunJulAugSep
Highs of 62–84° and lows of 40° or more
How much snow does Jamestown get?About 1 inches a winter.When is it wettest?November, with 3.0 inches.Is it warmer than it used to be?+1.2° vs. the 20th century.

Weather talk

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

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