Mount Vernon, IN Weather & Growing Conditions
Overnight
64°F
Clear
Clear. Low around 64, with temperatures rising to around 66 overnight. East southeast wind around 1 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 64°F | Clear | 1 mph ESE | 0% |
| Tuesday | 87°F | Sunny | 3 mph ENE | 0% |
| Tuesday Night | 64°F | Mostly Clear | 0 to 3 mph NE | 0% |
| Wednesday | 89°F | Sunny | 2 mph WSW | 0% |
| Wednesday Night | 68°F | Mostly Clear | 2 mph S | 1% |
| Thursday | 90°F | Partly Sunny | 2 to 6 mph SSW | 11% |
| Thursday Night | 71°F | Chance Showers And Thunderstorms | 5 mph S | 37% |
| Friday | 89°F | Chance Showers And Thunderstorms | 2 to 7 mph SSW | 38% |
| Friday Night | 70°F | Chance Showers And Thunderstorms | 3 mph SSW | 33% |
| Saturday | 89°F | Chance Showers And Thunderstorms | 2 to 6 mph SW | 31% |
| Saturday Night | 70°F | Chance Showers And Thunderstorms then Partly Cloudy | 5 mph S | 28% |
| Sunday | 91°F | Mostly Sunny | 3 to 8 mph SSW | 12% |
| Sunday Night | 72°F | Mostly Clear | 3 to 7 mph SSW | 11% |
| Monday | 93°F | Sunny | 5 to 8 mph SSW | 8% |
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 Aug 4, 2026.