Union City, CA Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Union City, CA in one place.
Sunny. High near 82, with temperatures falling to around 80 in the afternoon. West southwest wind around 13 mph.
Local Weather Overview
This forecast page for Union City, 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 23, 2026 1:13 PM PDT.
The active forecast window currently covers Aug 24 to Aug 29, 2026 for Union City, CA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Aug 24 to Aug 29, 2026
- Latest sync
- Aug 23, 2026 1:13 PM PDT
- Forecast office
- MTR
- Source
- NOAA / NWS
Daily Outlook
This Week in Union City
Wednesday looks like the warmest upcoming period in Union City at 86 degrees F.
Friday Night is the coolest period ahead with temperatures near 58 degrees F.
The strongest winds are forecast for Monday at about 13 mph WSW.
The forecast from Aug 24 through Aug 29 stays mostly dry.
Forecast Details
- Last updated
- Aug 23, 2026 1:13 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
Partly cloudy, with a low around 59. West southwest wind around 12 mph, with gusts as high as 21 mph.
Mostly sunny, with a high near 84. West southwest wind around 12 mph, with gusts as high as 20 mph.
Partly cloudy, with a low around 59.
Sunny, with a high near 86.
Mostly clear, with a low around 61.
Sunny, with a high near 85.
Partly cloudy, with a low around 60.
Mostly sunny, with a high near 82.
Mostly clear, with a low around 58.
Sunny, with a high near 82.
Mostly clear, with a low around 58.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Monday
Aug 24
|
Sunny
|
82°F |
13 mph
WSW
|
|
Monday Night
Aug 24
|
Partly Cloudy
|
59°F |
12 mph
WSW
|
|
Tuesday
Aug 25
|
Mostly Sunny
|
84°F |
12 mph
WSW
|
|
Tuesday Night
Aug 25
|
Partly Cloudy
|
59°F |
8 to 12 mph
WSW
|
|
Wednesday
Aug 26
|
Sunny
|
86°F |
12 mph
WSW
|
|
Wednesday Night
Aug 26
|
Mostly Clear
|
61°F |
12 mph
SW
|
|
Thursday
Aug 27
|
Sunny
|
85°F |
9 to 13 mph
SW
|
|
Thursday Night
Aug 27
|
Partly Cloudy
|
60°F |
13 mph
SW
|
|
Friday
Aug 28
|
Mostly Sunny
|
82°F |
13 mph
SW
|
|
Friday Night
Aug 28
|
Mostly Clear
|
58°F |
13 mph
SW
|
|
Saturday
Aug 29
|
Sunny
|
82°F |
13 mph
SW
|
|
Saturday Night
Aug 29
|
Mostly Clear
|
58°F |
13 mph
SW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Union City.
