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Weather in Johnstonville, CA · National Weather Service + NOAA

Winter means it in Johnstonville

Johnstonville has chilly winters and warm summers, with very little rain. A typical July afternoon reaches 90°, a January night drops to 22°. In November, a normal day reaches 53° and a normal night drops to 27°.

Winter 45°/23°Spring 63°/33°Summer 87°/48°Fall 68°/34°
Right now
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Sunrise 6:33 am · sunset 4:58 pm

Getting the latest forecast from the National Weather Service…

What stands out about Johnstonville’s weather

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

Climate →
Among California’s coldest wintersJanuary nights average 22°, colder than 1,561 of 1,618 California towns.A dry climateJust 14 inches of rain and melted snow a year, less than 95% of U.S. towns.A short growing season143 frost-free days, from May 16 to Oct 8.
A normal year

Where today sits in Johnstonville’s year

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

Full climate →
Winter
45° / 23°
Snow is rare
Spring
63° / 33°
Last frost around May 16
Summer
87° / 48°
31 days reach 90° in a normal year
Fall now
68° / 34°
First frost around Oct 8
Pastthe usual first frost (Oct 8). Last frost next spring: May 16
Best months to be outside
JunSep
Highs of 62–84° and lows of 40° or more
When is it wettest?December, with 2.6 inches.Is it warmer than it used to be?+1.3° 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 Johnstonville.

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 Johnstonville itself (about a 3-mile square). Snow, frost dates and day counts: the NOAA station at Susanville 2sw, CA (5 mi, frost, heat and degree days). Sunrise and sunset are calculated from the town’s position. Normals are 30-year averages, not a forecast.