10-Day Weather Forecast - Union City, CA

Mostly cloudy in the morning then becoming sunny. Patchy fog in the morning. A slight chance of rain. Highs in the mid 60s. Southwest winds around 5 mph. . . Becoming northwest in the afternoon.

Mostly clear in the evening then becoming mostly cloudy. Patchy fog after midnight. Lows in the lower 50s. West winds 5 to 10 mph.

Mostly cloudy in the morning then becoming sunny. Patchy fog in the morning. Highs in the mid 60s. West winds up to 5 mph increasing to 5 to 15 mph in the afternoon.

Mostly clear in the evening then becoming partly cloudy. Lows around 50.

Mostly cloudy in the morning then becoming sunny. Highs in the 60s.

Clear. Lows in the mid to upper 40s. Highs in the 60s.

Clear. Lows in the mid to upper 40s. Highs in the 60s.

Mostly clear. Lows near 50. Highs in the 60s to mid 70s.

Mostly clear. Lows near 50. Highs in the 60s to mid 70s.

Mostly clear. Lows near 50. Highs in the 60s to mid 70s.

Mostly clear. Lows near 50. Highs in the 60s to mid 70s.

Clear. Low temperature around 54F. Dew point will be around 45F with an average humidity of 61%. Winds will be 4 mph from the N.

Sunny. High temperature around 75F. Dew point will be around 49F with an average humidity of 51%. Winds will be 5 mph from the NW.

Clear. Low temperature around 54F. Dew point will be around 48F with an average humidity of 67%. Winds will be 4 mph from the NW.

Sunny. High temperature around 72F. Dew point will be around 48F with an average humidity of 48%. Winds will be 6 mph from the NW.

Clear. Low temperature around 53F. Dew point will be around 45F with an average humidity of 61%. Winds will be 4 mph from the NW.

Sunny. High temperature around 71F. Dew point will be around 46F with an average humidity of 47%. Winds will be 6 mph from the NW.

Clear. Low temperature around 53F. Dew point will be around 45F with an average humidity of 63%. Winds will be 3 mph from the NW.