Union City, CA Weather Forecast
Local 7-day forecast
Mostly Clear
Track current conditions, temperature changes, wind, and the full daily outlook for Union City, CA in one place.
Mostly clear, with a low around 57. Southwest wind around 13 mph, with gusts as high as 21 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: Jul 10, 2026 2:46 AM PDT.
The active forecast window currently covers Jul 10 to Jul 16, 2026 for Union City, CA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 10 to Jul 16, 2026
- Latest sync
- Jul 10, 2026 2:46 AM PDT
- Forecast office
- MTR
- Source
- NOAA / NWS
Daily Outlook
This Week in Union City
Monday looks like the warmest upcoming period in Union City at 88 degrees F.
Friday Night is the coolest period ahead with temperatures near 56 degrees F.
The strongest winds are forecast for Friday at about 15 mph SW.
The forecast from Jul 10 through Jul 16 stays mostly dry.
Forecast Details
- Last updated
- Jul 10, 2026 2:46 AM 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
Sunny. High near 80, with temperatures falling to around 78 in the afternoon. Southwest wind around 15 mph, with gusts as high as 24 mph.
Mostly clear, with a low around 56. Southwest wind 10 to 15 mph, with gusts as high as 24 mph.
Mostly sunny, with a high near 85. West southwest wind 8 to 12 mph, with gusts as high as 18 mph.
Mostly cloudy, with a low around 60. West southwest wind around 12 mph, with gusts as high as 18 mph.
Partly sunny, with a high near 84.
Mostly cloudy, with a low around 63.
Partly sunny, with a high near 88.
Partly cloudy, with a low around 62.
Sunny, with a high near 88.
Clear, with a low around 62.
Sunny, with a high near 86.
Mostly clear, with a low around 59.
Sunny, with a high near 80.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Overnight
Jul 10
|
Mostly Clear
|
57°F |
13 mph
SW
|
|
Friday
Jul 10
|
Sunny
|
80°F |
15 mph
SW
|
|
Friday Night
Jul 10
|
Mostly Clear
|
56°F |
10 to 15 mph
SW
|
|
Saturday
Jul 11
|
Mostly Sunny
|
85°F |
8 to 12 mph
WSW
|
|
Saturday Night
Jul 11
|
Mostly Cloudy
|
60°F |
12 mph
WSW
|
|
Sunday
Jul 12
|
Partly Sunny
|
84°F |
12 mph
WSW
|
|
Sunday Night
Jul 12
|
Mostly Cloudy
|
63°F |
12 mph
WSW
|
|
Monday
Jul 13
|
Partly Sunny
|
88°F |
8 to 12 mph
WSW
|
|
Monday Night
Jul 13
|
Partly Cloudy
|
62°F |
12 mph
WSW
|
|
Tuesday
Jul 14
|
Sunny
|
88°F |
9 to 14 mph
WSW
|
|
Tuesday Night
Jul 14
|
Clear
|
62°F |
14 mph
WSW
|
|
Wednesday
Jul 15
|
Sunny
|
86°F |
14 mph
WSW
|
|
Wednesday Night
Jul 15
|
Mostly Clear
|
59°F |
14 mph
WSW
|
|
Thursday
Jul 16
|
Sunny
|
80°F |
14 mph
WSW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Union City.
