10-Day Weather Forecast - Upper Lake, CA

Mostly cloudy. Patchy valley fog in the morning. Highs 59 to 69.

Partly cloudy. Patchy dense valley fog overnight. Lows 41 to 51.

Mostly sunny. Patchy valley fog in the morning. Highs 64 to 74.

Partly cloudy. Lows 46 to 56.

Partly cloudy. Highs 67 to 77.

Mostly cloudy. Lows 47 to 57.

Mostly cloudy. Slight chance of rain and isolated thunderstorms. Highs 61 to 71.

Mostly cloudy. Slight chance of rain. Lows 42 to 52.

Mostly cloudy in the morning then becoming partly cloudy. Chance of rain. Highs 58 to 68.

Mostly cloudy in the evening then becoming partly cloudy. Chance of rain. Lows 40 to 50.

Partly cloudy in the morning then clearing. Slight chance of rain. Highs 62 to 72.

Mostly clear. Lows 41 to 51. Highs 62 to 75.

Mostly clear. Lows 41 to 51. Highs 62 to 75.

Clear. Low temperature around 44F. Dew point will be around 44F with an average humidity of 89%. Winds will be 2 mph from the N.

Mostly sunny. High temperature around 60F. Dew point will be around 44F with an average humidity of 66%. Winds will be 4 mph from the W.

Mostly clear. Low temperature around 41F. Dew point will be around 42F with an average humidity of 89%. Winds will be 4 mph from the NW.

Sunny. High temperature around 59F. Dew point will be around 42F with an average humidity of 63%. Winds will be 5 mph from the NW.

Clear. Low temperature around 40F. Dew point will be around 39F with an average humidity of 81%. Winds will be 5 mph from the N.