10-Day Weather Forecast - San Marcos, CA

Mostly sunny. Highs 71 to 74 in the western valleys to 64 to 69 near the foothills. Areas of winds east 20 to 30 mph with gusts to 45 mph.

Partly cloudy. Lows 47 to 54 in wind sheltered areas to 51 to 55 in warmer locations. Areas of winds east 20 to 30 mph with gusts to 45 mph.

Mostly cloudy. Highs 74 to 77 in the western valleys to 67 to 72 near the foothills. Areas of winds east 20 to 30 mph. Gusts to 45 mph. . . Becoming 40 mph in the afternoon.

Cloudy with a slight chance of showers. Lows 50 to 57 in wind sheltered areas to 55 to 59 in warmer locations. Areas of winds east 10 to 20 mph with gusts to 30 mph. Chance of measurable precipitation 20 percent.

Mostly cloudy with a chance of showers. Highs 69 to 72 in the western valleys to 64 to 69 near the foothills. Areas of winds east 10 mph. Chance of measurable precipitation 50 percent.

Showers likely in the evening then showers overnight. Locally heavy rainfall possible overnight. Lows 51 to 56.

Showers. Locally heavy rainfall possible in the morning. Highs 65 to 69 in the western valleys to 60 to 65 near the foothills.

Showers likely. Lows 52 to 56.

Mostly cloudy with a chance of showers. Highs 66 to 70 in the western valleys to 62 to 67 near the foothills.

Cloudy with a chance of showers. Lows 52 to 56.

Mostly cloudy with a chance of showers. Highs 65 to 68 in the western valleys to 60 to 65 near the foothills.

Mostly cloudy with a chance of showers. Lows 47 to 52.

Mostly cloudy in the morning. . . Becoming partly cloudy. A chance of showers. Highs 63 to 66 in the western valleys to 59 to 64 near the foothills.

Partly cloudy with a chance of rain. Chance of precipitation 35%. Low temperature around 49F. Dew point will be around 51F with an average humidity of 96%. Winds will be 2 mph from the SW.

Partly cloudy with a slight chance of rain. Chance of precipitation 30%. High temperature around 63F. Dew point will be around 53F with an average humidity of 80%. Winds will be 3 mph from the W.

Partly cloudy. Low temperature around 49F. Dew point will be around 49F with an average humidity of 90%. Winds will be 2 mph from the W.

Partly cloudy with a slight chance of rain. Chance of precipitation 30%. High temperature around 63F. Dew point will be around 53F with an average humidity of 79%. Winds will be 3 mph from the W.

Mostly cloudy with a chance of rain. Chance of precipitation 35%. Low temperature around 49F. Dew point will be around 49F with an average humidity of 87%. Winds will be 2 mph from the W.