Weather · Walnut Creek
Walnut Creek forecast & conditions
Current conditions, the 7-day outlook and hour-by-hour details for Walnut Creek, straight from the National Weather Service. Watches and warnings show up first.
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Climate · a normal year
What a year in Walnut Creek feels like
Walnut Creek has mild winters and scorching summers, with very little rain. A typical July afternoon reaches 101°, a January night drops to 37°, and snow is almost unheard of.
60° / 37°Winter
78° / 50°Spring
99° / 71°Summer
81° / 53°Fall
How much snow does Walnut Creek get?Almost none.Rain & snow →When is the first frost?Around Dec 2, with the last in spring around Feb 18.Frost dates →Is it warmer than it used to be?+1.6° vs. the 20th century.Then & now →
See Walnut Creek’s full climate →
NOAA U.S. Climate Normals, 1991–2020. A normal is a 30-year average, not a forecast.
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Data from the U.S. National Weather Service (weather.gov) — free public data, not modified by TownTapestry. Not a substitute for official warnings; always follow weather.gov and local authorities.