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Weather in La Mesa, CA · National Weather Service + NOAA

It hardly ever freezes in La Mesa

La Mesa has warm winters and pleasant summers, with very little rain. A typical July afternoon reaches 83°, a January night drops to 44°, and snow is almost unheard of. A typical November afternoon reaches 74°, and nights fall to 48°.

Winter 68°/45°Spring 72°/51°Summer 82°/61°Fall 79°/55°
Right now
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Sunrise 9:06 am · sunset 7:56 pm

Getting the latest forecast from the National Weather Service…

What stands out about La Mesa’s weather

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

Climate →
It hardly ever freezesOnly 73% of years see a night at 32° or below.Snow is rareNo measurable snow in a normal year.Warming faster than mostThe last 30 years averaged 2.2° warmer than the 1900s, a bigger shift than 97% of U.S. towns.A dry climateJust 12 inches of rain and melted snow a year, less than 97% of U.S. towns.
A normal year

Where today sits in La Mesa’s year

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

Full climate →
Winter
68° / 45°
Snow is rare
Spring
72° / 51°
Frost is rare by spring
Summer
82° / 61°
57 days reach 90° in a normal year
Fall now
79° / 55°
Mild well into the fall
Best months to be outside
JanFebMarAprMayJunJulOctNovDec
Highs of 62–84° and lows of 40° or more
How much snow does La Mesa get?Almost none.When is it wettest?February, with 2.6 inches.Is it warmer than it used to be?+2.2° vs. the 20th century.

Weather talk

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

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 La Mesa itself (about a 3-mile square). Snow, frost dates and day counts: the NOAA station at Lakeside 2 E, CA (9 mi, snow) and El Cajon, 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.