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. High near 71, with temperatures falling to around 68 in the afternoon. West southwest wind around 21 mph, with gusts as high as 30 mph.
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
- May 25 to May 31, 2026
- Latest sync
- May 24, 2026 9:28 PM PDT
- Forecast office
- MTR
- Source
- NOAA / NWS
Daily Outlook
This Week in Alameda County
Sunday looks like the warmest upcoming period in Alameda County at 80 degrees F.
Monday Night is the coolest period ahead with temperatures near 53 degrees F.
The strongest winds are forecast for Memorial Day at about 21 mph WSW.
The forecast from May 25 through May 31 stays mostly dry.
Forecast Details
- Last updated
- May 24, 2026 9:28 PM PDT
- Coverage
- 7 days
- 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
A slight chance of drizzle between 2am and 5am. Partly cloudy. Low around 53, with temperatures rising to around 55 overnight. West southwest wind around 21 mph, with gusts as high as 30 mph.
Sunny, with a high near 74. West wind 9 to 18 mph, with gusts as high as 28 mph.
Mostly clear, with a low around 54. West southwest wind 7 to 15 mph, with gusts as high as 23 mph.
Sunny, with a high near 78.
Mostly clear, with a low around 56.
Mostly sunny, with a high near 78.
Partly cloudy, with a low around 54.
Sunny, with a high near 74.
Mostly clear, with a low around 54.
Sunny, with a high near 78.
Clear, with a low around 54.
Sunny, with a high near 80.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Memorial Day
May 25
|
Mostly Sunny
|
71°F |
21 mph
WSW
|
|
Monday Night
May 25
|
Partly Cloudy then Slight Chance Drizzle
|
53°F |
21 mph
WSW
|
|
Tuesday
May 26
|
Sunny
|
74°F |
9 to 18 mph
W
|
|
Tuesday Night
May 26
|
Mostly Clear
|
54°F |
7 to 15 mph
WSW
|
|
Wednesday
May 27
|
Sunny
|
78°F |
7 to 14 mph
W
|
|
Wednesday Night
May 27
|
Mostly Clear
|
56°F |
8 to 13 mph
WSW
|
|
Thursday
May 28
|
Mostly Sunny
|
78°F |
8 to 17 mph
WSW
|
|
Thursday Night
May 28
|
Partly Cloudy
|
54°F |
13 to 17 mph
WSW
|
|
Friday
May 29
|
Sunny
|
74°F |
9 to 15 mph
WSW
|
|
Friday Night
May 29
|
Mostly Clear
|
54°F |
10 to 15 mph
WSW
|
|
Saturday
May 30
|
Sunny
|
78°F |
10 to 16 mph
WSW
|
|
Saturday Night
May 30
|
Clear
|
54°F |
10 to 16 mph
WSW
|
|
Sunday
May 31
|
Sunny
|
80°F |
9 to 14 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.
