10-Day Weather Forecast - San Marcos, CA

Mostly sunny. Highs 69 to 74. Areas of winds west to 10 mph. . . Becoming 10 to 15 mph with gusts to 25 mph in the afternoon.

Partly cloudy with a slight chance of showers. Lows 46 to 51. Areas of winds northwest 10 to 15 mph. Gusts to 25 mph in the evening. Chance of measurable precipitation 20 percent.

Partly cloudy. Highs around 70 in the western valleys to 63 to 68 near the foothills. Areas of winds west 10 to 15 mph. Gusts to 25 mph in the afternoon.

Partly cloudy. Lows 44 to 50.

Partly cloudy in the morning. . . Becoming mostly sunny. Highs 70 to 75.

Partly cloudy. Lows 47 to 52.

Partly cloudy. Highs 71 to 74 in the western valleys to 67 to 72 near the foothills.

Partly cloudy. Lows 48 to 53.

Mostly cloudy in the morning. . . Becoming partly cloudy. Highs around 70 in the western valleys to 63 to 68 near the foothills.

Partly cloudy. Lows 47 to 53.

Mostly cloudy in the morning. . . Becoming partly cloudy. Highs around 70 in the western valleys to 62 to 67 near the foothills.

Mostly cloudy with a slight chance of rain. Chance of precipitation 25%. Low temperature around 54F. Dew point will be around 53F with an average humidity of 91%. Winds will be 4 mph from the W.

Mostly cloudy. High temperature around 66F. Dew point will be around 55F with an average humidity of 79%. Winds will be 5 mph from the W.

Partly cloudy. Low temperature around 54F. Dew point will be around 54F with an average humidity of 90%. Winds will be 2 mph from the W.

Partly cloudy. High temperature around 67F. Dew point will be around 56F with an average humidity of 76%. Winds will be 5 mph from the W.

Partly cloudy. Low temperature around 54F. Dew point will be around 54F with an average humidity of 89%. Winds will be 3 mph from the W.

Partly cloudy. High temperature around 67F. Dew point will be around 55F with an average humidity of 73%. Winds will be 6 mph from the W.

Mostly clear. Low temperature around 55F. Dew point will be around 54F with an average humidity of 87%. Winds will be 3 mph from the SW.