San Marcos Weather Forecast
- 53
- 63
Chance Rain Showers
- 53
- 63
Chance Rain Showers
- 50
- 66
Partly Sunny
- 53
- 71
Mostly Sunny
- 53
- 74
Patchy Fog
- 53
- 73
Patchy Fog
- 54
- 73
Mostly Sunny
Today 25 Apr San Diego County Inland Valleys
Patchy fog this morning. Mostly cloudy with a chance of Showers this Morning, then partly cloudy this afternoon. Highs around 64 in the western Valleys to 56 to 61 near the Foothills. Areas of Winds west 10 to 15 Mph. Gusts to 25 Mph this afternoon. Chance of measurable precipitation 30 percent.
Tonight 25 Apr San Diego County Inland Valleys
Mostly cloudy. A slight chance of rain this Evening, then a chance of rain overnight. Patchy fog overnight. Colder. Lows 41 to 51. Areas of Winds west 10 to 15 Mph. Chance of measurable precipitation 30 percent.
San Marcos Temperature Statistics
April Temperature
Carlsbad, McClellan-Palomar Airport (6.2 miles)
Lowest 7 April, 2024
45.6 °FAverage April
57.9 °FHighest 9 April, 2024
72.6 °F
Climate (2019–Present)
Carlsbad, McClellan-Palomar Airport (6.2 miles)
Take a look at our website widgetsAvailable free! Find Out MoreAverage Low 2019–2024
56.9 °FAverage 2019–2024
62.5 °FAverage High 2019–2024
69 °F