Union City, CA Weather Forecast

Local 7-day forecast

91°
F

Sunny

Track current conditions, temperature changes, wind, and the full daily outlook for Union City, CA in one place.

Wednesday, June 10, 2026
Wind: 5 to 10 mph W
Wednesday

Sunny, with a high near 91.

Local 7-day forecast

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: Jun 8, 2026 4:15 AM PDT.

The active forecast window currently covers Jun 10 to Jun 14, 2026 for Union City, CA.

Page Snapshot

Page focus
city weather
Forecast window
Jun 10 to Jun 14, 2026
Latest sync
Jun 8, 2026 4:15 AM PDT
Forecast office
MTR
Source
NOAA / NWS
Next High
91°F
Wednesday
Next Low
64°F
Wednesday Night
Rain Outlook
0
Periods mentioning precipitation
Windiest
7 to 15 mph
Friday

Daily Outlook

Today
Jun 10
Sunny
91 °F
/ 64°F
Wind 5 to 10 mph
Thu
Jun 11
Sunny
96 °F
/ 59°F
Wind 5 to 14 mph
Fri
Jun 12
Sunny
86 °F
/ 57°F
Wind 7 to 15 mph
Sat
Jun 13
Sunny
83 °F
/ 57°F
Wind 8 to 14 mph
Sun
Jun 14
Sunny
81 °F
Wind 9 to 15 mph

This Week in Union City

Thursday looks like the warmest upcoming period in Union City at 96 degrees F.

Friday Night is the coolest period ahead with temperatures near 57 degrees F.

The strongest winds are forecast for Friday at about 7 to 15 mph WSW.

The forecast from Jun 10 through Jun 14 stays mostly dry.

Forecast Details

Last updated
Jun 8, 2026 4:15 AM PDT
Coverage
5 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 source

Extended Forecast

Wednesday Night
Jun 10
64°F
Clear
5 to 10 mph WSW

Clear, with a low around 64.

Thursday
Jun 11
96°F
Sunny
5 to 14 mph W

Sunny, with a high near 96.

Thursday Night
Jun 11
59°F
Clear
8 to 14 mph WSW

Clear, with a low around 59.

Friday
Jun 12
86°F
Sunny
7 to 15 mph WSW

Sunny, with a high near 86.

Friday Night
Jun 12
57°F
Mostly Clear
8 to 15 mph WSW

Mostly clear, with a low around 57.

Saturday
Jun 13
83°F
Sunny
8 to 14 mph WSW

Sunny, with a high near 83.

Saturday Night
Jun 13
57°F
Mostly Clear
9 to 14 mph WSW

Mostly clear, with a low around 57.

Sunday
Jun 14
81°F
Sunny
9 to 15 mph WSW

Sunny, with a high near 81.

Detailed Forecast

Period Conditions Temp Wind
Wednesday
Jun 10
Sunny
91°F
5 to 10 mph
W
Wednesday Night
Jun 10
Clear
64°F
5 to 10 mph
WSW
Thursday
Jun 11
Sunny
96°F
5 to 14 mph
W
Thursday Night
Jun 11
Clear
59°F
8 to 14 mph
WSW
Friday
Jun 12
Sunny
86°F
7 to 15 mph
WSW
Friday Night
Jun 12
Mostly Clear
57°F
8 to 15 mph
WSW
Saturday
Jun 13
Sunny
83°F
8 to 14 mph
WSW
Saturday Night
Jun 13
Mostly Clear
57°F
9 to 14 mph
WSW
Sunday
Jun 14
Sunny
81°F
9 to 15 mph
WSW
Union City BART Station
Union City BART Station image
Weather data provided by the National Weather Service (NOAA). Forecast pages update automatically as new periods are synced for each supported U.S. location.