Union City Weather History

California, United States of America

Weather on a past date in Union City

Any date from 1 January 2009 to yesterday.

Sat 10 Oct, 2026 Weather in Union City

Sunrise: 07:11 AM
Sunset: 06:38 PM
Moonrise: 07:14 AM
Moonset: 06:25 PM
Max:
19.3 °c
Min:
14.5 °c
Avg:
16.5 °c
Precip:
0.00 mm
Max Wind:
15.8 kph
 
Sat 10
0:00 am
Sat 10
3:00 am
Sat 10
6:00 am
Sat 10
9:00 am
Sat 10
12:00 pm
Sat 10
3:00 pm
Sat 10
6:00 pm
Sat 10
9:00 pm
IconClearClearClearSunnySunnySunnySunnyClear
Temp16.1°c15.3°c15.9°c16.4°c18.7°c19.2°c17.1°c15.0°c
Wind7.6 kmph7.9 kmph5.8 kmph11.7 kmph12.6 kmph15.1 kmph12.6 kmph7.2 kmph
Precip0.00 mm0.00 mm0.00 mm0.00 mm0.00 mm0.00 mm0.00 mm0.00 mm
Cloud22%0%0%0%0%0%0%0%
Humidity70%75%75%62%38%36%43%59%
Pressure1006 mb1005 mb1005 mb1007 mb1005 mb1003 mb1002 mb1003 mb

Union City Annual Weather Averages

MonthHigh TempLow TempAvg TempSunshine HoursRainfallRain daysPressure
January15°C / 59°F7°C / 44°F10°C / 51°F227 hours84.92 mm / 3.34 In6 days1020 mb / 31 In
February16°C / 61°F7°C / 45°F11°C / 52°F201 hours100.83 mm / 3.97 In5 days1019 mb / 31 In
March17°C / 63°F8°C / 47°F12°C / 54°F206 hours80.33 mm / 3.16 In6 days1018 mb / 31 In
April19°C / 67°F9°C / 49°F14°C / 57°F255 hours34.90 mm / 1.37 In3 days1017 mb / 31 In
May21°C / 70°F11°C / 51°F16°C / 60°F299 hours13.67 mm / 0.54 In2 days1015 mb / 30 In
June24°C / 75°F13°C / 55°F18°C / 65°F317 hours3.34 mm / 0.13 In1 days1013 mb / 30 In
July25°C / 77°F14°C / 57°F19°C / 67°F346 hours0.99 mm / 0.04 In0 days1014 mb / 30 In
August26°C / 78°F15°C / 58°F20°C / 67°F341 hours0.16 mm / 0.01 In0 days1013 mb / 30 In
September26°C / 78°F15°C / 58°F19°C / 67°F317 hours3.11 mm / 0.12 In0 days1013 mb / 30 In
October23°C / 74°F13°C / 55°F17°C / 63°F291 hours28.78 mm / 1.13 In2 days1015 mb / 30 In
November18°C / 65°F9°C / 49°F13°C / 56°F249 hours52.77 mm / 2.08 In3 days1018 mb / 31 In
December14°C / 58°F7°C / 45°F11°C / 51°F208 hours116.25 mm / 4.58 In6 days1019 mb / 31 In

Need more than one day of Union City history?

Download historical weather for Union City, or any other location, in CSV from January 2009 onwards. Ideal for research, insurance, energy, agriculture and machine-learning projects.

  • Historical weatherDaily and hourly interval data.
  • Yearly monthly averagesMonthly averages for every year since 2009.
  • Monthly climate averagesLong-term climate normals by month.
  • CSV formatReady for Excel, Python, R or your database.
Buy historical weather data Or use the History API

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Union City weather history: common questions

How far back does Union City weather history go?

Hourly historical weather is available from 1 January 2009. Choose a date above, or pick a month at the top of the page for long-term averages.

Can I download Union City historical weather as a file?

Yes. Buy historical weather data as daily or hourly CSV, yearly monthly averages or monthly climate averages. A free sample download is available.

Is there an API for historical weather?

Yes. The WeatherAPI.com History API returns hourly weather for any past date from 2010, as JSON or XML. Get a free API key.

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