Weather World
City of Walnut Creek, CAWalnut Creek, CA 7-Day Night Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon
Weather Quote O' the Day
Walnut Creek, CA Weather Forecast
Walnut Creek, CA Weather Forecast Date: 902 PM PDT Sat Sep 12 2026
or toggle through each period.
Rest of Tonight... Clear. Lows in the mid 50s. Southwest winds 10 to 20 mph.
Sunday... Sunny. Highs in the upper 70s. West winds 10 to 15 mph.
Sunday Night... Mostly clear. Lows in the mid 50s. Southwest winds 5 to 15 mph.
Monday... Sunny. Highs in the upper 80s. West winds 5 to 10 mph.
Monday Night... Clear. Lows in the mid 50s. Southwest winds 5 to 10 mph.
Tuesday... Sunny. Highs in the upper 80s.
Tuesday Night... Mostly clear. Lows in the upper 50s. Highs in the mid 80s.
Wednesday... Mostly clear. Lows in the upper 50s. Highs in the mid 80s.
Wednesday Night... Clear. Lows in the upper 50s.
Thursday... Partly cloudy in the morning then becoming sunny. Highs in the upper 80s.
Thursday Night... Clear. Lows in the upper 50s.
Friday... Mostly clear. Highs in the upper 80s. Lows in the upper 50s.
Friday Night... Mostly clear. Highs in the upper 80s. Lows in the upper 50s.
POP = Probability of Precipitation
Walnut Creek Radar Loop
Use the map search tool if you want to place a location marker on the radar map...