San Marcos Weather Forecast
- 46
- 61
Increasing Clouds
- 57
- 65
Chance Thunderstorms
- 55
- 76
Chance Thunderstorms
- 55
- 78
Partly Sunny
- 58
- 76
Mostly Cloudy
- 62
- 78
Slight Chance Rain Showers
Today 19 Mar Hays
Partly cloudy. Highs in the lower 60s. Southeast Winds 5 to 10 Mph, becoming south in the afternoon.
Tonight 19 Mar Hays
Mostly cloudy. Lows in the mid 40s. South Winds 5 to 10 Mph.
San Marcos Temperature Statistics
March Temperature
San Marcos, San Marcos Municipal Airport (4.3 miles)
Lowest 2 March, 2024
44.1 °FAverage March
68.2 °FHighest 5 March, 2024
91 °F
Climate (2019–Present)
San Marcos, San Marcos Municipal Airport (4.3 miles)
Take a look at our website widgetsAvailable free! Find Out MoreAverage Low 2019–2024
58.6 °FAverage 2019–2024
69.4 °FAverage High 2019–2024
81.5 °F