Hanover, IN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Hanover, a town in Jefferson County, Indiana.
This Afternoon
68°F
Slight Chance Rain Showers
A slight chance of rain showers before 4pm, then a slight chance of drizzle. Mostly cloudy, with a high near 68. Southwest wind around 9 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Hanover
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 68°F | Slight Chance Rain Showers | 9 mph SW | 20% |
| Tonight | 48°F | Slight Chance Drizzle | 1 to 6 mph SW | 6% |
| Thursday | 65°F | Mostly Sunny | 3 to 9 mph SW | 0% |
| Thursday Night | 43°F | Partly Cloudy | 0 to 5 mph W | 2% |
| Friday | 57°F | Mostly Cloudy | 0 to 7 mph NW | 8% |
| Friday Night | 35°F | Partly Cloudy | 2 to 6 mph NW | 1% |
| Saturday | 54°F | Mostly Sunny | 2 to 6 mph NW | 0% |
| Saturday Night | 31°F | Mostly Clear | 2 mph NW | 0% |
| Sunday | 57°F | Sunny | 0 to 5 mph W | 0% |
| Sunday Night | 33°F | Mostly Clear | 2 mph W | 0% |
| Monday | 61°F | Sunny | 0 to 3 mph W | 0% |
| Monday Night | 36°F | Clear | 2 mph SW | 0% |
| Tuesday | 63°F | Sunny | 5 mph W | 1% |
| Tuesday Night | 37°F | Mostly Clear | 1 mph NW | 2% |
Forecast source: National Weather Service (api.weather.gov) for Hanover (38.707, -85.467). Updated through the day.
Growing snapshot for Hanover
Last spring frost
Apr 11
First fall frost
Oct 31
Growing season
201 days
Hardiness zone
6b
More local growing data for Hanover: nearby ZIP 47243 weather · frost dates · planting calendar · Indiana frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Madison Sewage Plt, In (6.7 mi from Hanover). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.