Mount Vernon, IN Weather & Growing Conditions
Overnight
59°F
Showers And Thunderstorms
Showers and thunderstorms. Cloudy. Low around 59, with temperatures rising to around 61 overnight. South wind 8 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 90%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 59°F | Showers And Thunderstorms | 8 to 14 mph S | 89% |
| Wednesday | 68°F | Slight Chance Rain Showers then Mostly Cloudy | 7 to 12 mph WSW | 21% |
| Wednesday Night | 45°F | Partly Cloudy | 5 mph WSW | 0% |
| Thursday | 68°F | Sunny | 3 to 9 mph SW | 0% |
| Thursday Night | 44°F | Partly Cloudy | 3 mph WNW | 0% |
| Friday | 61°F | Partly Sunny | 2 to 10 mph NNW | 0% |
| Friday Night | 37°F | Partly Cloudy | 3 to 10 mph NNW | 0% |
| Saturday | 57°F | Mostly Sunny | 6 mph NNW | 0% |
| Saturday Night | 33°F | Partly Cloudy | 2 mph NNW | 0% |
| Sunday | 60°F | Sunny | 1 to 7 mph NW | 1% |
| Sunday Night | 34°F | Mostly Clear | 0 to 3 mph WNW | 2% |
| Monday | 64°F | Sunny | 0 to 5 mph WSW | 0% |
| Monday Night | 38°F | Clear | 2 mph SW | 1% |
| Tuesday | 68°F | Sunny | 2 to 6 mph W | 1% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Mount Vernon, IN
Last spring frost
Apr 7
First fall frost
Oct 28
Growing season
202 days
Hardiness zone
7a
Explore more for Mount Vernon, IN: full frost dates · planting calendar · Indiana frost dates
Climate data from the nearest NOAA station, Mt Vernon, In (0.5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.