10-day forecast for Union City, CA: 40° to 64°, with precipitation expected on 7 days. The table below breaks each day into morning, afternoon, evening and overnight.
61°
Best day: Monday, November 23
59° · 1.08 in
Worst day: Wednesday, November 18
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 1660° / 49°0.23
Morning54°feels 54°
Afternoon60°feels 58°
Evening50°feels 49°
Overnight54°feels 54°
60 °
Union City, Monday, 16 November
Rain. High 60°, low 49°.
Pressure30.12 inHg
Wind4.8 mph W
Humidity65%
Visibility6.2 mi
Dew point48°
Tue, 1760° / 40°0
Morning43°feels 43°
Afternoon59°feels 57°
Evening53°feels 52°
Overnight47°feels 47°
60 °
Union City, Tuesday, 17 November
Clear. High 60°, low 40°.
Pressure30.12 inHg
Wind4.1 mph SW
Humidity60%
Visibility2.5 mi
Dew point43°
Wed, 1859° / 50°1.08
Morning53°feels 53°
Afternoon58°feels 57°
Evening51°feels 50°
Overnight52°feels 51°
59 °
Union City, Wednesday, 18 November
Heavy rain. High 59°, low 50°.
Pressure30.00 inHg
Wind4.4 mph SW
Humidity68%
Visibility5.6 mi
Dew point47°
Thu, 1954° / 46°0.64
Morning51°feels 50°
Afternoon52°feels 51°
Evening50°feels 49°
Overnight50°feels 48°
54 °
Union City, Thursday, 19 November
Rain. High 54°, low 46°.
Pressure29.83 inHg
Wind9.8 mph NE
Humidity95%
Visibility—
Dew point50°
Fri, 2057° / 45°0.1
Morning48°feels 47°
Afternoon56°feels 55°
Evening55°feels 54°
Overnight49°feels 48°
57 °
Union City, Friday, 20 November
Light rain. High 57°, low 45°.
Pressure30.00 inHg
Wind6 mph SW
Humidity79%
Visibility—
Dew point48°
Sat, 2160° / 49°0
Morning50°feels 48°
Afternoon55°feels 54°
Evening57°feels 55°
Overnight53°feels 51°
60 °
Union City, Saturday, 21 November
Overcast. High 60°, low 49°.
Pressure30.06 inHg
Wind10.2 mph S
Humidity69%
Visibility—
Dew point44°
Sun, 2261° / 50°0.22
Morning53°feels 52°
Afternoon57°feels 56°
Evening58°feels 57°
Overnight53°feels 51°
61 °
Union City, Sunday, 22 November
Rain. High 61°, low 50°.
Pressure30.09 inHg
Wind9.3 mph SE
Humidity71%
Visibility—
Dew point47°
Mon, 2361° / 50°0
Morning52°feels 51°
Afternoon56°feels 55°
Evening59°feels 58°
Overnight53°feels 52°
61 °
Union City, Monday, 23 November
Overcast. High 61°, low 50°.
Pressure30.15 inHg
Wind7.5 mph SE
Humidity72%
Visibility—
Dew point46°
Tue, 2460° / 52°0.42
Morning55°feels 53°
Afternoon56°feels 55°
Evening57°feels 55°
Overnight53°feels 51°
60 °
Union City, Tuesday, 24 November
Rain. High 60°, low 52°.
Pressure29.94 inHg
Wind16.8 mph S
Humidity84%
Visibility—
Dew point51°
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.