Mount Vernon Weather Forecast
- 39
- 61
Mostly Sunny
- 41
- 63
Mostly Sunny
- 57
- 69
Chance Rain Showers
- 59
- 76
Rain Showers Likely
- 61
- 70
Rain Showers Likely
- 43
- 74
Rain Showers Likely
- 36
- 56
Partly Sunny
Today 25 Mar Jefferson
Mostly sunny. Near steady temperature around 60. Northwest Winds 5 to 10 Mph.
Tonight 25 Mar Jefferson
Mostly clear. Lows in the upper 30s. North Winds 5 to 10 Mph in the Evening, becoming light and variable.
Mount Vernon Temperature Statistics
March Temperature
Mount Vernon Airport (2.5 miles)
Lowest 2 March, 2025
16.8 °FAverage March
49.8 °FHighest 14 March, 2025
83.6 °F
Climate (2020–Present)
Mount Vernon Airport (2.5 miles)
Average Low 2020–2025
45.5 °FAverage 2020–2025
56.3 °FAverage High 2020–2025
67.5 °F