Alameda County, CA Weather Forecast
County weather hub
Mostly Sunny
Compare major city weather across Alameda County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
Mostly sunny, with a high near 78.
County Weather Overview
This county weather page brings together forecast coverage for Alameda County so visitors can compare temperatures, wind, and conditions across the region without hopping between unrelated pages.
Current forecast coverage spans 13 of 16 mapped cities in Alameda County.
Page Snapshot
- Page focus
- county weather
- Forecast window
- Aug 24, 2026
- Latest sync
- Aug 18, 2026 7:12 AM PDT
- Forecast office
- MTR
- Source
- NOAA / NWS
Daily Outlook
This Week in Alameda County
Monday looks like the warmest upcoming period in Alameda County at 78 degrees F.
Monday is the coolest period ahead with temperatures near 78 degrees F.
The strongest winds are forecast for Monday at about 17 mph WSW.
The forecast from Aug 24 through Aug 24 stays mostly dry.
Forecast Details
- Last updated
- Aug 18, 2026 7:12 AM PDT
- Coverage
- 1 day
- Time zone
- America/Los_Angeles
- Forecast office
- MTR
- Radar station
- KMUX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Monday
Aug 24
|
Mostly Sunny
|
78°F |
17 mph
WSW
|
Major City Forecasts
Live forecast snapshots for major cities across Alameda County.
Coverage
Forecast coverage currently spans 13 of 16 mapped cities in Alameda County.
Largest mapped city population in this region: 424,891.
