Thorntown, IN Weather & Growing Conditions
Today
82°F
Sunny
Sunny, with a high near 82. South wind 0 to 3 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 82°F | Sunny | 0 to 3 mph S | 0% |
| Tonight | 60°F | Mostly Clear | 2 mph SE | 0% |
| Wednesday | 83°F | Sunny | 3 mph SW | 0% |
| Wednesday Night | 65°F | Partly Cloudy then Isolated Showers And Thunderstorms | 0 to 3 mph SSW | 16% |
| Thursday | 81°F | Isolated Showers And Thunderstorms then Chance Showers And Thunderstorms | 2 to 7 mph SSW | 65% |
| Thursday Night | 65°F | Chance Showers And Thunderstorms | 1 to 6 mph SSW | 65% |
| Friday | 81°F | Scattered Showers And Thunderstorms | 5 mph SW | 32% |
| Friday Night | 65°F | Scattered Showers And Thunderstorms | 1 to 5 mph SSW | 32% |
| Saturday | 82°F | Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms | 2 to 6 mph SSW | 18% |
| Saturday Night | 67°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 6 mph SSW | 18% |
| Sunday | 84°F | Mostly Sunny | 6 to 12 mph SW | 10% |
| Sunday Night | 70°F | Partly Cloudy then Slight Chance Showers And Thunderstorms | 10 mph SSW | 19% |
| Monday | 85°F | Slight Chance Showers And Thunderstorms | 12 mph SW | 19% |
| Monday Night | 69°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 9 mph SW | 33% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Thorntown, IN
Last spring frost
Apr 27
First fall frost
Oct 12
Growing season
167 days
Hardiness zone
6a
Explore more for Thorntown, IN: full frost dates · planting calendar · Indiana frost dates
Climate data from the nearest NOAA station, Crawfordsville 6 Se, In (12.6 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.