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Weather in California Polytechnic State University, CA · National Weather Service + NOAA

It hardly ever freezes in California Polytechnic State University

California Polytechnic State University has warm winters and pleasant summers, with very little rain. A typical July afternoon reaches 78°, a January night drops to 42°, and snow is almost unheard of. In November, a normal day reaches 70° and a normal night drops to 44°.

Winter 64°/42°Spring 69°/45°Summer 78°/53°Fall 75°/49°
Right now
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Sunrise 6:28 am · sunset 5:04 pm

Getting the latest forecast from the National Weather Service…

What stands out about California Polytechnic State University’s weather

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

Climate →
It hardly ever freezesOnly 68% of years see a night at 32° or below.Cool summersJuly afternoons average 78°, cooler than 95% of U.S. towns.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 95% of U.S. towns.
A normal year

Where today sits in California Polytechnic State University’s year

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

Full climate →
Winter
64° / 42°
Snow is rare
Spring
69° / 45°
Frost is rare by spring
Summer
78° / 53°
19 days reach 90° in a normal year
Fall now
75° / 49°
Mild well into the fall
Best months to be outside
JanFebMarAprMayJunJulAugSepOctNovDec
Highs of 62–84° and lows of 40° or more
How much snow does California Polytechnic State University get?Almost none.When is it wettest?January, with 4.7 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 California Polytechnic State University.

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 California Polytechnic State University itself (about a 3-mile square). Snow, frost dates and day counts: the NOAA station at Santa Margarita Boost, CA (5 mi, snow) and San Luis Obispo Poly, CA (1 mi, frost, heat and degree days). Sunrise and sunset are calculated from the town’s position. Normals are 30-year averages, not a forecast.