San Marcos Weather Forecast
- 38
- 52
Rain Showers Likely
- 41
- 54
Mostly Sunny
- 42
- 60
Mostly Cloudy
- 48
- 62
Rain
- 44
- 57
Rain Showers
- 43
- 60
Partly Sunny
- 45
- 65
Partly Sunny
Today 25 Jan San Diego County Inland Valleys
Showers and slight chance of Thunderstorms. Locally heavy rainfall possible in the morning. Highs around 52 in the western Valleys to 41 to 46 near the Foothills. Areas of Winds west 35 to 45 Mph with Gusts to 60 Mph.
Tonight 25 Jan San Diego County Inland Valleys
Mostly cloudy with Showers likely and slight chance of Thunderstorms in the Evening, then partly cloudy with a chance of Showers overnight. Colder. Lows 31 to 39. Areas of Winds west 20 to 30 Mph with Gusts to 45 Mph. Chance of measurable precipitation 70 percent.
San Marcos Temperature Statistics
January Temperature
Carlsbad, McClellan-Palomar Airport (6.2 miles)
Lowest 9 January, 2021
43 °FAverage January
57.2 °FHighest 15 January, 2021
87.1 °F
Climate (2010–Present)
Carlsbad, McClellan-Palomar Airport (6.2 miles)
Average Low 2010–Present
57.3 °FAverage 2010–Present
62.8 °FAverage High 2010–Present
69.5 °F