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Weather in Loon Lake, WA · National Weather Service + NOAA

Loon Lake has a short growing season

Loon Lake has chilly winters and pleasant summers, with very little rain. A typical July afternoon reaches 84°, a January night drops to 22°. In November, a normal day reaches 41° and a normal night drops to 27°.

Winter 35°/22°Spring 57°/34°Summer 80°/49°Fall 57°/35°
Right now
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Sunrise 9:43 am · sunset 7:24 pm

Getting the latest forecast from the National Weather Service…

What stands out about Loon Lake’s weather

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

Climate →
A short growing season112 frost-free days, from May 22 to Sep 14.Among Washington’s coldest wintersJanuary nights average 22°, colder than 598 of 639 Washington towns.
A normal year

Where today sits in Loon Lake’s year

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

Full climate →
Winter
35° / 22°
Snow is rare
Spring
57° / 34°
Last frost around May 22
Summer
80° / 49°
22 days reach 90° in a normal year
Fall now
57° / 35°
First frost around Sep 14
Pastthe usual first frost (Sep 14). Last frost next spring: May 22
Best months to be outside
MayJunJulAugSep
Highs of 62–84° and lows of 40° or more
When is it wettest?December, with 3.2 inches.Is it warmer than it used to be?+1.4° vs. the 20th century.What is each month like?Highs, lows, rain and snow for all 12.

Weather talk

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

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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 Loon Lake itself (about a 3-mile square). Snow, frost dates and day counts: the NOAA station at Deer Park Airport, WA (11 mi, frost, heat and degree days). Sunrise and sunset are calculated from the town’s position. Normals are 30-year averages, not a forecast.