10-day forecast for Union City, CA: 44° to 71°, with precipitation expected on 6 days. The table below breaks each day into morning, afternoon, evening and overnight.
71°
Best day: Thursday, November 12
60° · 0.91 in
Worst day: Wednesday, November 18
Tap any day below to see morning, afternoon, evening and overnight.
Fri, 1360° / 46°0.81
Morning56°feels 55°
Afternoon60°feels 60°
Evening47°feels 44°
Overnight53°feels 52°
60 °
Union City, Friday, 13 November
Heavy rain. High 60°, low 46°.
Pressure29.62 inHg
Wind10.5 mph S
Humidity91%
Visibility1.0 mi
Dew point53°
Sat, 1464° / 46°0
Morning50°feels 49°
Afternoon64°feels 63°
Evening56°feels 55°
Overnight50°feels 50°
64 °
Union City, Saturday, 14 November
Light rain. High 64°, low 46°.
Pressure30.00 inHg
Wind2.3 mph SW
Humidity67%
Visibility6.2 mi
Dew point51°
Sun, 1561° / 53°0.48
Morning56°feels 55°
Afternoon61°feels 61°
Evening56°feels 56°
Overnight53°feels 52°
61 °
Union City, Sunday, 15 November
Rain. High 61°, low 53°.
Pressure30.03 inHg
Wind8.9 mph S
Humidity77%
Visibility3.8 mi
Dew point54°
Mon, 1661° / 50°0
Morning52°feels 51°
Afternoon57°feels 56°
Evening58°feels 56°
Overnight52°feels 51°
61 °
Union City, Monday, 16 November
Clear. High 61°, low 50°.
Pressure30.21 inHg
Wind8.2 mph NW
Humidity67%
Visibility—
Dew point45°
Tue, 1761° / 44°0
Morning49°feels 47°
Afternoon56°feels 54°
Evening58°feels 56°
Overnight52°feels 51°
61 °
Union City, Tuesday, 17 November
Clear. High 61°, low 44°.
Pressure30.06 inHg
Wind6.4 mph W
Humidity52%
Visibility—
Dew point37°
Wed, 1860° / 52°0.91
Morning55°feels 55°
Afternoon55°feels 54°
Evening56°feels 55°
Overnight53°feels 52°
60 °
Union City, Wednesday, 18 November
Rain. High 60°, low 52°.
Pressure30.03 inHg
Wind16 mph SW
Humidity86%
Visibility—
Dew point51°
Thu, 1955° / 47°0.05
Morning50°feels 50°
Afternoon54°feels 52°
Evening53°feels 51°
Overnight50°feels 49°
55 °
Union City, Thursday, 19 November
Light rain. High 55°, low 47°.
Pressure30.00 inHg
Wind3.7 mph NE
Humidity65%
Visibility—
Dew point42°
Fri, 2056° / 48°0.28
Morning50°feels 49°
Afternoon53°feels 51°
Evening54°feels 52°
Overnight49°feels 48°
56 °
Union City, Friday, 20 November
Light rain. High 56°, low 48°.
Pressure29.88 inHg
Wind9.5 mph W
Humidity63%
Visibility—
Dew point40°
Sat, 2158° / 49°0.22
Morning51°feels 50°
Afternoon55°feels 53°
Evening54°feels 53°
Overnight49°feels 49°
58 °
Union City, Saturday, 21 November
Light rain. High 58°, low 49°.
Pressure30.12 inHg
Wind4.3 mph SE
Humidity63%
Visibility—
Dew point42°
About this forecast
How reliable is a 10-day forecast?
The first 3–5 days are the most reliable, typically within 2–4°. From day six to ten the models show the trend: the direction of change is right more often than the exact numbers.
What does the time-of-day table show?
Temperature in Union City, CA around 8am, 2pm, 8pm and 2am each day — handy for planning a walk, a drive or work outdoors.
How is the best day chosen?
We weigh the daytime high against precipitation: a warm, dry day scores highest.