Walnut Creek, CA Weather Forecast
Local 7-day forecast
Mostly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Walnut Creek, CA in one place.
Mostly sunny, with a high near 72. West wind around 9 mph, with gusts as high as 21 mph.
Local Weather Overview
This forecast page for Walnut Creek, CA is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: May 24, 2026 10:54 AM PDT.
The active forecast window currently covers May 26 to May 30, 2026 for Walnut Creek, CA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- May 26 to May 30, 2026
- Latest sync
- May 24, 2026 10:54 AM PDT
- Forecast office
- MTR
- Source
- NOAA / NWS
Daily Outlook
This Week in Walnut Creek
Saturday looks like the warmest upcoming period in Walnut Creek at 79 degrees F.
Thursday Night is the coolest period ahead with temperatures near 54 degrees F.
The strongest winds are forecast for Wednesday at about 8 to 13 mph NW.
The forecast from May 26 through May 30 stays mostly dry.
Forecast Details
- Last updated
- May 24, 2026 10:54 AM PDT
- Coverage
- 6 days
- Time zone
- America/Los_Angeles
- Forecast office
- MTR
- Radar station
- KDAX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Mostly clear, with a low around 55.
Sunny, with a high near 75.
Mostly clear, with a low around 58.
Mostly sunny, with a high near 76.
Partly cloudy, with a low around 54.
Sunny, with a high near 75.
Mostly clear, with a low around 55.
Sunny, with a high near 79.
Clear, with a low around 54.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tuesday
May 26
|
Mostly Sunny
|
72°F |
9 mph
W
|
|
Tuesday Night
May 26
|
Mostly Clear
|
55°F |
6 to 9 mph
WNW
|
|
Wednesday
May 27
|
Sunny
|
75°F |
8 to 13 mph
NW
|
|
Wednesday Night
May 27
|
Mostly Clear
|
58°F |
5 to 9 mph
WNW
|
|
Thursday
May 28
|
Mostly Sunny
|
76°F |
5 to 12 mph
W
|
|
Thursday Night
May 28
|
Partly Cloudy
|
54°F |
6 to 12 mph
SW
|
|
Friday
May 29
|
Sunny
|
75°F |
5 to 10 mph
SW
|
|
Friday Night
May 29
|
Mostly Clear
|
55°F |
3 to 10 mph
WSW
|
|
Saturday
May 30
|
Sunny
|
79°F |
3 to 10 mph
SW
|
|
Saturday Night
May 30
|
Clear
|
54°F |
3 to 10 mph
WSW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Walnut Creek.
