Weather forecast for: Walnut Creek CA
Last Update: 11:32 pm PDT Sep 14, 2026
Overnight: Mostly clear, with a low around 56. South southwest wind around 6 mph.
Tuesday: Sunny, with a high near 84. South southwest wind 5 to 8 mph.
Tuesday Night: Mostly clear, with a low around 56. South southwest wind around 9 mph, with gusts as high as 23 mph.
Wednesday: Sunny, with a high near 76. Southwest wind 10 to 13 mph, with gusts as high as 24 mph.
Wednesday Night: Partly cloudy, with a low around 56. Southwest wind 7 to 11 mph, with gusts as high as 23 mph.
Thursday: Sunny, with a high near 83.
Thursday Night: Mostly clear, with a low around 56.
Friday: Sunny, with a high near 86.
Friday Night: Mostly clear, with a low around 57.
Saturday: Sunny, with a high near 83.
Saturday Night: Partly cloudy, with a low around 56.
Sunday: Mostly sunny, with a high near 80.
Sunday Night: Partly cloudy, with a low around 57.
Monday: Mostly sunny, with a high near 82.