Mount Vernon Weather Forecast
- 5
- 16
Mostly Cloudy
- 11
- 13
Snow
- 0
- 15
Snow
- -1
- 12
Mostly Sunny
- 5
- 25
Partly Sunny
- 3
- 21
Partly Sunny
- 2
- 16
Partly Sunny
Today 23 Jan Jefferson
Partly sunny and much cooler. Near steady temperature around 11. North Winds 10 to 15 Mph. Wind chill Readings as low as 5 below.
Tonight 23 Jan Jefferson
Partly cloudy this Evening, then becoming cloudy. Cold. Near steady temperature around 5 above. Northeast Winds around 10 Mph. Wind chill Readings as low as 6 below.
Mount Vernon Temperature Statistics
January Temperature
Mount Vernon Airport (2.5 miles)
Lowest 20 January, 2026
5 °FAverage January
35.4 °FHighest 8 January, 2026
66.9 °F
Climate (2021–Present)
Mount Vernon Airport (2.5 miles)
Average Low 2021–2026
46.1 °FAverage 2021–2026
57.2 °FAverage High 2021–2026
68.4 °F