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Weather in Lake Mathews, CA · National Weather Service + NOAA

It hardly ever freezes in Lake Mathews

Lake Mathews has warm winters and warm summers, with very little rain. A typical July afternoon reaches 92°, a January night drops to 45°, and snow is almost unheard of. A typical November afternoon reaches 72°, and nights fall to 50°.

Winter 65°/45°Spring 72°/48°Summer 90°/61°Fall 81°/56°
Right now
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Sunrise 6:10 am · sunset 4:55 pm

Getting the latest forecast from the National Weather Service…

What stands out about Lake Mathews’s weather

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

Climate →
It hardly ever freezesOnly 58% 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 2.1° warmer than the 1900s, a bigger shift than 96% of U.S. towns.A dry climateJust 10 inches of rain and melted snow a year, less than 98% of U.S. towns.
A normal year

Where today sits in Lake Mathews’s year

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

Full climate →
Winter
65° / 45°
Snow is rare
Spring
72° / 48°
Frost is rare by spring
Summer
90° / 61°
101 days reach 90° in a normal year
Fall now
81° / 56°
Mild well into the fall
Best months to be outside
JanFebMarAprMayOctNovDec
Highs of 62–84° and lows of 40° or more
How much snow does Lake Mathews get?Almost none.When is it wettest?February, with 2.5 inches.Is it warmer than it used to be?+2.1° vs. the 20th century.

Weather talk

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

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 Lake Mathews itself (about a 3-mile square). Snow, frost dates and day counts: the NOAA station at Riverside Citrus Exp, CA (10 mi, snow) and Riverside Municipal Airport, CA (10 mi, frost, heat and degree days). Sunrise and sunset are calculated from the town’s position. Normals are 30-year averages, not a forecast.