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, with a high near 81. West southwest wind 8 to 14 mph, with gusts as high as 23 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: Oct 8, 2026 6:41 AM PDT.
The active forecast window currently covers Oct 9 to Oct 14, 2026 for Union City, CA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Oct 9 to Oct 14, 2026
- Latest sync
- Oct 8, 2026 6:41 AM PDT
- Forecast office
- MTR
- Source
- NOAA / NWS
Daily Outlook
This Week in Union City
Friday looks like the warmest upcoming period in Union City at 81 degrees F.
Saturday Night is the coolest period ahead with temperatures near 53 degrees F.
The strongest winds are forecast for Friday Night at about 14 to 18 mph SW.
The forecast from Oct 9 through Oct 14 stays mostly dry.
Forecast Details
- Last updated
- Oct 8, 2026 6:41 AM PDT
- Coverage
- 6 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
Mostly clear, with a low around 58. Southwest wind 14 to 18 mph, with gusts as high as 31 mph.
Sunny, with a high near 68.
Clear, with a low around 53.
Sunny, with a high near 69.
Mostly clear, with a low around 55.
Sunny, with a high near 70.
Mostly clear, with a low around 54.
Sunny, with a high near 72.
Mostly clear, with a low around 54.
Sunny, with a high near 73.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Friday
Oct 9
|
Sunny
|
81°F |
8 to 14 mph
WSW
|
|
Friday Night
Oct 9
|
Mostly Clear
|
58°F |
14 to 18 mph
SW
|
|
Saturday
Oct 10
|
Sunny
|
68°F |
17 mph
SW
|
|
Saturday Night
Oct 10
|
Clear
|
53°F |
7 to 15 mph
SW
|
|
Sunday
Oct 11
|
Sunny
|
69°F |
8 mph
WSW
|
|
Sunday Night
Oct 11
|
Mostly Clear
|
55°F |
3 to 7 mph
SW
|
|
Columbus Day
Oct 12
|
Sunny
|
70°F |
5 to 12 mph
ENE
|
|
Monday Night
Oct 12
|
Mostly Clear
|
54°F |
6 mph
WSW
|
|
Tuesday
Oct 13
|
Sunny
|
72°F |
3 to 9 mph
WSW
|
|
Tuesday Night
Oct 13
|
Mostly Clear
|
54°F |
5 to 9 mph
WSW
|
|
Wednesday
Oct 14
|
Sunny
|
73°F |
5 to 8 mph
W
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Union City.
