10-Day Weather Forecast - Walnut Creek, CA

Partly cloudy in the morning then becoming sunny. Patchy dense fog in the morning. Highs in the upper 60s. Northeast winds 5 to 10 mph.

Mostly cloudy. Lows in the upper 40s. Light winds.

Mostly cloudy. Highs in the upper 60s. Light winds. . . Becoming west around 5 mph in the afternoon.

Partly cloudy in the evening then becoming mostly cloudy. Areas of fog after midnight. Lows in the mid 40s. Light winds.

Mostly cloudy in the morning then becoming partly cloudy. Areas of fog. Highs in the mid 60s.

Mostly clear in the evening then becoming mostly cloudy. Lows in the mid 40s.

Mostly cloudy. A chance of rain. Highs in the mid 60s.

Mostly cloudy. Patchy fog. A chance of rain. Lows in the mid 40s.

Mostly cloudy. Patchy fog. A slight chance of rain. Highs in the lower 60s.

Mostly cloudy. A slight chance of rain. Lows in the lower 40s.

Mostly cloudy. A chance of rain. Highs in the upper 50s.

Mostly cloudy. Patchy fog. A chance of rain. Lows in the lower 40s.

Mostly cloudy. A chance of rain. Highs in the upper 50s.

Clear. Low temperature around 38F. Dew point will be around 38F with an average humidity of 86%. Winds will be 1 mph from the N.

Sunny. High temperature around 58F. Dew point will be around 42F with an average humidity of 68%. Winds will be 3 mph from the NW.

Mostly clear. Low temperature around 39F. Dew point will be around 38F with an average humidity of 82%. Winds will be 1 mph from the SW.

Mostly sunny. High temperature around 58F. Dew point will be around 43F with an average humidity of 69%. Winds will be 1 mph from the W.

Mostly clear. Low temperature around 41F. Dew point will be around 40F with an average humidity of 83%. Winds will be 2 mph from the SW.