10-Day Weather Forecast - Upper Lake, CA

Mostly cloudy in the morning then becoming partly cloudy. Highs 57 to 68.

Mostly cloudy. Chance of rain showers through the night. Patchy valley fog overnight. Lows 40 to 50.

Partly cloudy. Patchy valley fog. Slight chance of rain showers. Highs 57 to 67.

Partly cloudy. Lows 38 to 48. Highs 57 to 70.

Partly cloudy. Lows 38 to 48. Highs 57 to 70.

Partly cloudy in the evening then becoming mostly cloudy. Lows 39 to 49.

Mostly cloudy in the morning then becoming mostly sunny. Slight chance of rain showers. Highs 56 to 67.

Mostly clear. Lows 35 to 45. Highs 56 to 69.

Mostly clear. Lows 35 to 45. Highs 56 to 69.

Partly cloudy. Lows 40 to 50. Highs 58 to 72.

Partly cloudy. Lows 40 to 50. Highs 58 to 72.

Partly cloudy. Lows 40 to 50. Highs 58 to 72.

Partly cloudy. Highs 66 to 77.

Mostly clear. Low temperature around 49F. Dew point will be around 45F with an average humidity of 76%. Winds will be 3 mph from the N.

Sunny. High temperature around 69F. Dew point will be around 49F with an average humidity of 61%. Winds will be 4 mph from the NW.

Mostly clear. Low temperature around 46F. Dew point will be around 46F with an average humidity of 81%. Winds will be 4 mph from the NW.

Partly cloudy. High temperature around 66F. Dew point will be around 45F with an average humidity of 59%. Winds will be 5 mph from the NW.

Clear. Low temperature around 44F. Dew point will be around 41F with an average humidity of 72%. Winds will be 4 mph from the N.