Mount Vernon Weather Forecast
- 43
- 53
Mostly Sunny
- 36
- 61
Partly Sunny
- 53
- 64
Mostly Cloudy
- 26
- 69
Rain/Snow Likely
- 15
- 34
Mostly Sunny
- 29
- 39
Mostly Cloudy
Today 12 Mar Jefferson
Sunny, cooler. Near steady temperature in the lower 50s. West Winds 5 to 10 Mph.
Tonight 12 Mar Jefferson
Partly cloudy and breezy. Lows in the lower 40s. South Winds 10 to 15 Mph, becoming southwest 15 to 25 Mph after midnight.
Mount Vernon Temperature Statistics
March Temperature
Mount Vernon Airport (2.5 miles)
Lowest 1 March, 2026
28.9 °FAverage March
54.4 °FHighest 10 March, 2026
80.1 °F
Climate (2021–Present)
Mount Vernon Airport (2.5 miles)
Average Low 2021–2026
46.5 °FAverage 2021–2026
57.6 °FAverage High 2021–2026
68.9 °F