Hanna, IN Weather & Growing Conditions
This Afternoon
77°F
Showers And Thunderstorms
Showers and thunderstorms. Mostly cloudy, with a high near 77. South wind 5 to 10 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 77°F | Showers And Thunderstorms | 5 to 10 mph S | 77% |
| Tonight | 65°F | Showers And Thunderstorms | 5 mph SE | 79% |
| Sunday | 73°F | Showers And Thunderstorms Likely | 5 to 10 mph N | 66% |
| Sunday Night | 52°F | Chance Rain Showers | 10 mph NE | 47% |
| Monday | 66°F | Chance Rain Showers | 10 to 15 mph NE | 41% |
| Monday Night | 49°F | Chance Rain Showers | 10 mph NE | 36% |
| Tuesday | 65°F | Chance Rain Showers | 10 mph NE | 26% |
| Tuesday Night | 50°F | Chance Rain Showers | 10 mph NE | 26% |
| Wednesday | 66°F | Slight Chance Rain Showers | 10 mph NE | 16% |
| Wednesday Night | 50°F | Slight Chance Rain Showers then Mostly Cloudy | 5 to 10 mph NE | 16% |
| Thursday | 69°F | Partly Sunny | 5 to 10 mph NE | 3% |
| Thursday Night | 51°F | Mostly Cloudy | 5 to 10 mph NE | 8% |
| Friday | 72°F | Partly Sunny | 5 mph NE | 8% |
| Friday Night | 50°F | Partly Cloudy | 0 to 5 mph NE | 2% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Hanna, IN
Last spring frost
Apr 26
First fall frost
Oct 19
Growing season
174 days
Hardiness zone
5b
Explore more for Hanna, IN: full frost dates · planting calendar · Indiana frost dates
Climate data from the nearest NOAA station, Knox Wwtp, In (9.1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.