10-Day Weather Forecast - Lake San Marcos, CA

Mostly sunny. Highs 78 to 83. Areas of winds east to 10 mph. . . Becoming 10 to 15 mph with gusts to 25 mph in the afternoon.

Clear. Lows 48 to 55 in wind sheltered areas to 52 to 58 in warmer locations. Areas of winds east 10 to 20 mph. Gusts to 25 mph. . . Becoming 30 mph overnight.

Mostly sunny. Highs 80 to 83 in the western valleys to 75 to 80 near the foothills. Areas of winds east 15 to 25 mph. Gusts to 35 mph. . . Becoming 30 mph in the afternoon.

Mostly clear in the evening. . . Becoming partly cloudy. Lows 47 to 53 in wind sheltered areas to 51 to 56 in warmer locations. Areas of winds east to 10 mph.

Mostly sunny. Highs 77 to 82.

Mostly clear. Lows 52 to 57.

Mostly sunny. Highs 79 to 83 in the western valleys to 75 to 80 near the foothills.

Mostly clear in the evening. . . Becoming partly cloudy. Lows 50 to 55.

Mostly sunny. Highs 77 to 82.

Partly cloudy. Lows 50 to 55.

Partly cloudy. Highs 75 to 80.

Partly cloudy. Lows 50 to 54.

Partly cloudy. Highs 71 to 76.

Mostly clear. Low temperature around 48F. Dew point will be around 46F with an average humidity of 77%. Winds will be 1 mph from the SW.

Sunny. High temperature around 65F. Dew point will be around 49F with an average humidity of 67%. Winds will be 4 mph from the SW.

Mostly cloudy. Low temperature around 47F. Dew point will be around 49F with an average humidity of 94%. Winds will be 4 mph from the W.

Cloudy with a slight chance of rain. Chance of precipitation 30%. High temperature around 60F. Dew point will be around 50F with an average humidity of 79%. Winds will be 6 mph from the W.

Cloudy. Low temperature around 44F. Dew point will be around 47F with an average humidity of 94%. Winds will be 5 mph from the W.