Mount Vernon Weather Forecast
- 74
- 93
Chance Thunderstorms
- 72
- 91
Thunderstorms Likely
- 73
- 88
Thunderstorms Likely
- 75
- 91
Chance Thunderstorms
- 75
- 92
Chance Thunderstorms
- 76
- 94
Chance Thunderstorms
- 76
- 95
Slight Chance Thunderstorms
Today 16 Jul Jefferson
Sunny with a chance of Showers and Thunderstorms. Near steady temperature around 90. Southwest Winds 5 to 10 Mph. Chance of rain 30 percent.
Tonight 16 Jul Jefferson
Partly cloudy. Showers likely with a chance of Thunderstorms this evening. Lows in the mid 70s. Southwest Winds around 5 Mph. Chance of rain 60 percent.
Mount Vernon Temperature Statistics
July Temperature
Mount Vernon Airport (2.5 miles)
Lowest 2 July, 2025
63 °FAverage July
79.1 °FHighest 11 July, 2025
97 °F
Climate (2020–Present)
Mount Vernon Airport (2.5 miles)
Average Low 2020–2025
45.7 °FAverage 2020–2025
56.5 °FAverage High 2020–2025
67.7 °F