Union City, CA Weather Forecast
Local 7-day forecast
Mostly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Union City, CA in one place.
Mostly sunny, with a high near 71. Southeast wind around 6 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: Nov 11, 2026 5:06 AM PST.
The active forecast window currently covers Nov 12 to Nov 17, 2026 for Union City, CA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Nov 12 to Nov 17, 2026
- Latest sync
- Nov 11, 2026 5:06 AM PST
- Forecast office
- MTR
- Source
- NOAA / NWS
Daily Outlook
This Week in Union City
Thursday looks like the warmest upcoming period in Union City at 71 degrees F.
Monday Night is the coolest period ahead with temperatures near 45 degrees F.
The strongest winds are forecast for Friday at about 9 to 24 mph S.
Precipitation is mentioned in 8 upcoming forecast periods.
Forecast Details
- Last updated
- Nov 11, 2026 5:06 AM PST
- 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
A chance of rain after 4am. Partly cloudy, with a low around 55. South southwest wind 5 to 9 mph. Chance of precipitation is 50%.
Rain. Mostly cloudy, with a high near 64. Chance of precipitation is 100%.
Rain. Mostly cloudy, with a low around 50.
A chance of rain before 4pm. Mostly sunny, with a high near 63.
A chance of rain after 4am. Mostly cloudy, with a low around 50.
Rain likely. Mostly cloudy, with a high near 61.
Rain. Mostly cloudy, with a low around 50.
A chance of rain before 4pm. Partly sunny, with a high near 58.
Partly cloudy, with a low around 45.
Mostly sunny, with a high near 58.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Thursday
Nov 12
|
Mostly Sunny
|
71°F |
6 mph
SE
|
|
Thursday Night
Nov 12
|
Partly Cloudy then Chance Light Rain
|
55°F |
5 to 9 mph
SSW
|
|
Friday
Nov 13
|
Rain
|
64°F |
9 to 24 mph
S
|
|
Friday Night
Nov 13
|
Light Rain
|
50°F |
8 to 15 mph
SW
|
|
Saturday
Nov 14
|
Chance Light Rain
|
63°F |
8 mph
SW
|
|
Saturday Night
Nov 14
|
Mostly Cloudy then Chance Light Rain
|
50°F |
6 mph
SSW
|
|
Sunday
Nov 15
|
Light Rain Likely
|
61°F |
5 to 9 mph
SSE
|
|
Sunday Night
Nov 15
|
Light Rain
|
50°F |
9 mph
SSW
|
|
Monday
Nov 16
|
Chance Light Rain
|
58°F |
7 to 10 mph
WSW
|
|
Monday Night
Nov 16
|
Partly Cloudy
|
45°F |
3 to 7 mph
W
|
|
Tuesday
Nov 17
|
Mostly Sunny
|
58°F |
5 mph
WSW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Union City.
