Marine Weather Net

Union City, CA Weather Forecast




Union City, California

 Lat: 37.60N, Lon: 122.02W

Current Conditions Updated: 454 AM PDT SAT MAY 2 2026

Overcast
Temp: 55°F
  • Humidity:
  • 83%
  • Winds:
  • 6 MPH W
  • Gusts:
  • N/A MPH
  • Barometer:
  • 29.91 in.
  • Dewpoint:
  • 50°F
  • Heat index:
  • 55°F

  • Sunrise:
  • 6:10 AM PDT
  • Sunset:
  • 7:57 PM PDT
  • Moonrise:
  • 9:30 PM PDT
  • Moonset:
  • 6:20 AM PDT

TODAY

MOSTLY CLOUDY
Hi: 65°F
Lo: 51°F

SUNDAY

PARTLY CLOUDY
Hi: 69°F
Lo: 51°F

MONDAY

CHANCE OF RAIN
Hi: 65°F
Lo: 51°F
Precip: 20%

TUESDAY

MOSTLY CLOUDY
Hi: 69°F
Lo: 55°F
Weather Forecast In Detail:
Forecast Issued: 602 AM PDT Sat May 02 2026

Today...Mostly cloudy. Highs in the mid 60s. West winds 5 to 15 mph.
Tonight...Mostly cloudy. Lows in the lower 50s. West winds 5 to 15 mph.
Sunday...Mostly cloudy in the morning then becoming partly cloudy. Highs in the upper 60s. West winds 5 to 10 mph.
Sunday Night...Partly cloudy in the evening then becoming mostly cloudy. Lows in the lower 50s. West winds 5 to 15 mph.
Monday...Mostly cloudy. A slight chance of rain. Highs in the mid 60s. Southwest winds 5 to 10 mph. Chance of rain 20 percent.
Monday Night...Mostly cloudy. A chance of rain. Lows in the lower 50s.
Tuesday...Mostly cloudy. Highs in the upper 60s.
Tuesday Night And Wednesday...Partly cloudy. Lows in the mid 50s. Highs near 70.
Wednesday Night...Clear in the evening then becoming partly cloudy. Lows in the mid 50s.
Thursday...Partly cloudy. Highs in the 60s to upper 70s. Lows in the mid 50s. && temperature / precipitation sfo airport 64 53 65 / 10 10 oakland 65 53 66 / 10 10 fremont 67 53 68 / redwood city 67 52 68 / mountain view 66 53 67 /
Friday...Partly cloudy. Highs in the 60s to upper 70s. Lows in the mid 50s. && temperature / precipitation sfo airport 64 53 65 / 10 10 oakland 65 53 66 / 10 10 fremont 67 53 68 / redwood city 67 52 68 / mountain view 66 53 67 /
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