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

Lake Forest has milder winters than most of California

Lake Forest has warm winters and pleasant summers, with very little rain. A typical July afternoon reaches 84°, a January night drops to 47°, and snow is almost unheard of. Normal November highs come to 74°, and lows to 50°.

Winter 68°/47°Spring 72°/51°Summer 83°/61°Fall 79°/56°
Right now
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Sunrise 9:10 am · sunset 7:57 pm

Getting the latest forecast from the National Weather Service…

What stands out about Lake Forest’s weather

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

Climate →
Milder winters than most of CaliforniaJanuary nights average 47°, milder than 1,524 of 1,618 California towns.It hardly ever freezesOnly 50% 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 2.0° warmer than the 1900s, a bigger shift than 93% of U.S. towns.
A normal year

Where today sits in Lake Forest’s year

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

Full climate →
Winter
68° / 47°
Snow is rare
Spring
72° / 51°
Frost is rare by spring
Summer
83° / 61°
35 days reach 90° in a normal year
Fall now
79° / 56°
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 Lake Forest get?Almost none.When is it wettest?February, with 3.3 inches.Is it warmer than it used to be?+2.0° vs. the 20th century.

Weather talk

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

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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 Forest itself (about a 3-mile square). Snow, frost dates and day counts: the NOAA station at Tustin Irvine Rch, CA (6 mi). Sunrise and sunset are calculated from the town’s position. Normals are 30-year averages, not a forecast.