Hanna, IN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Hanna, a community in Laporte County, Indiana.
This Afternoon
66°F
Partly Sunny
Partly sunny. High near 66, with temperatures falling to around 58 in the afternoon. Southwest wind around 15 mph, with gusts as high as 25 mph.
7-day forecast for Hanna
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 66°F | Partly Sunny | 15 mph SW | 3% |
| Tonight | 46°F | Cloudy | 10 to 15 mph SW | 12% |
| Thursday | 55°F | Mostly Cloudy then Chance Rain Showers | 10 to 15 mph SW | 31% |
| Thursday Night | 40°F | Rain Showers Likely | 5 to 10 mph W | 68% |
| Friday | 50°F | Chance Rain Showers | 10 to 15 mph NW | 49% |
| Friday Night | 35°F | Chance Rain Showers then Mostly Cloudy | 5 to 10 mph NW | 26% |
| Saturday | 50°F | Mostly Sunny | 5 to 10 mph NW | 5% |
| Saturday Night | 30°F | Mostly Clear | 0 to 5 mph W | 0% |
| Sunday | 55°F | Sunny | 5 to 10 mph W | 2% |
| Sunday Night | 32°F | Mostly Clear | 5 mph W | 2% |
| Monday | 60°F | Sunny | 0 to 10 mph SW | 0% |
| Monday Night | 37°F | Mostly Clear | 5 mph SW | 0% |
| Tuesday | 60°F | Sunny | 5 mph W | 0% |
| Tuesday Night | 35°F | Mostly Clear | 0 to 5 mph NW | 2% |
Forecast source: National Weather Service (api.weather.gov) for Hanna (41.412, -86.779). Updated through the day.
Growing snapshot for Hanna
Last spring frost
Apr 26
First fall frost
Oct 19
Growing season
174 days
Hardiness zone
5b
More local growing data for Hanna: nearby ZIP 46340 weather · frost dates · planting calendar · Indiana frost dates
Nearby towns & communities
Duneland Beach
Fish Lake
Hudson Lake
Kingsbury
Kingsford Heights
La Crosse
La Porte
Long Beach
Michiana Shores
Michigan City
Pottawattamie Park
Rolling Prairie
Saugany Lake
South Center
Stillwell
Trail Creek
Union Mills
Walkerton
Wanatah
Wellsboro
Westville
Climate data from the nearest NOAA station, Knox Wwtp, In (9.1 mi from Hanna). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.