Walnut Creek, CA Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Walnut Creek, CA in one place.
Sunny, with a high near 84. West southwest wind 6 to 9 mph, with gusts as high as 18 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: Aug 27, 2026 8:39 PM PDT.
The active forecast window currently covers Aug 29 to Sep 3, 2026 for Walnut Creek, CA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Aug 29 to Sep 3, 2026
- Latest sync
- Aug 27, 2026 8:39 PM 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 84 degrees F.
Monday Night is the coolest period ahead with temperatures near 55 degrees F.
The strongest winds are forecast for Monday Night at about 7 to 12 mph SW.
Precipitation is mentioned in 2 upcoming forecast periods.
Forecast Details
- Last updated
- Aug 27, 2026 8:39 PM 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
Clear, with a low around 57. West southwest wind 3 to 9 mph, with gusts as high as 18 mph.
Sunny, with a high near 83.
Mostly clear, with a low around 56.
Sunny, with a high near 77.
Mostly clear, with a low around 55.
Sunny, with a high near 78.
Mostly clear, with a low around 56.
Mostly sunny, with a high near 81.
A slight chance of rain showers between 11pm and 5am. Mostly clear, with a low around 59.
A slight chance of rain showers between 11am and 5pm. Sunny, with a high near 83.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Saturday
Aug 29
|
Sunny
|
84°F |
6 to 9 mph
WSW
|
|
Saturday Night
Aug 29
|
Clear
|
57°F |
3 to 9 mph
WSW
|
|
Sunday
Aug 30
|
Sunny
|
83°F |
3 to 8 mph
SW
|
|
Sunday Night
Aug 30
|
Mostly Clear
|
56°F |
8 mph
SW
|
|
Monday
Aug 31
|
Sunny
|
77°F |
10 mph
SW
|
|
Monday Night
Aug 31
|
Mostly Clear
|
55°F |
7 to 12 mph
SW
|
|
Tuesday
Sep 1
|
Sunny
|
78°F |
6 to 9 mph
SW
|
|
Tuesday Night
Sep 1
|
Mostly Clear
|
56°F |
3 to 9 mph
WSW
|
|
Wednesday
Sep 2
|
Mostly Sunny
|
81°F |
3 to 8 mph
WSW
|
|
Wednesday Night
Sep 2
|
Slight Chance Rain Showers
|
59°F |
3 to 8 mph
WSW
|
|
Thursday
Sep 3
|
Slight Chance Rain Showers
|
83°F |
3 to 8 mph
WSW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Walnut Creek.
