10-Day Weather Forecast - San Marcos, CA

Sunny warmer. Highs 90 to 94 in the western valleys to 86 to 91 near the foothills. Areas of winds east 10 to 15 mph becoming west in the afternoon. Gusts to 25 mph.

Clear. Lows 55 to 62 in wind sheltered areas to 58 to 68 in warmer locations. Areas of winds east 10 mph. Gusts to 25 mph in the evening.

Mostly sunny. Highs 90 to 95. Areas of winds east 10 mph becoming west in the afternoon.

Partly cloudy. Lows 57 to 65.

Mostly cloudy in the morning. . . Becoming partly cloudy. Highs 84 to 89.

Partly cloudy in the evening. . . Becoming mostly clear. Lows 53 to 60.

Sunny. Highs 84 to 87 in the western valleys to 86 to 91 near the foothills.

Clear. Lows 54 to 64.

Mostly sunny. Highs 90 to 95.

Mostly clear. Lows 56 to 66.

Mostly sunny. Highs 88 to 92 in the western valleys to 91 to 96 near the foothills.

Clear. Low temperature around 59F. Dew point will be around 52F with an average humidity of 67%. Winds will be 2 mph from the W.

Sunny. High temperature around 82F. Dew point will be around 54F with an average humidity of 49%. Winds will be 4 mph from the W.

Clear. Low temperature around 57F. Dew point will be around 52F with an average humidity of 69%. Winds will be 2 mph from the W.

Sunny. High temperature around 79F. Dew point will be around 53F with an average humidity of 51%. Winds will be 4 mph from the W.

Clear. Low temperature around 56F. Dew point will be around 52F with an average humidity of 72%. Winds will be 2 mph from the W.

Sunny. High temperature around 78F. Dew point will be around 53F with an average humidity of 53%. Winds will be 4 mph from the W.

Clear. Low temperature around 55F. Dew point will be around 53F with an average humidity of 75%. Winds will be 2 mph from the SW.