Hanna, IN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Hanna, a community in Laporte County, Indiana.
Overnight
58°F
Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms after 4am. Mostly cloudy. Low around 58, with temperatures rising to around 63 overnight. East wind around 10 mph. Chance of precipitation is 20%.
7-day forecast for Hanna
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 58°F | Slight Chance Showers And Thunderstorms | 10 mph E | 19% |
| Saturday | 77°F | Chance Showers And Thunderstorms then Showers And Thunderstorms | 5 to 10 mph SE | 84% |
| Saturday Night | 64°F | Chance Showers And Thunderstorms then Showers And Thunderstorms | 5 mph S | 79% |
| Sunday | 72°F | Showers And Thunderstorms Likely | 5 to 10 mph N | 72% |
| Sunday Night | 52°F | Chance Rain Showers | 10 to 15 mph NE | 47% |
| Monday | 66°F | Chance Rain Showers | 10 to 15 mph NE | 37% |
| Monday Night | 48°F | Slight Chance Rain Showers then Mostly Cloudy | 10 to 15 mph NE | 20% |
| Tuesday | 65°F | Mostly Cloudy then Slight Chance Rain Showers | 10 to 15 mph NE | 20% |
| Tuesday Night | 49°F | Slight Chance Rain Showers then Mostly Cloudy | 5 to 10 mph NE | 20% |
| Wednesday | 67°F | Mostly Cloudy | 5 to 10 mph NE | 11% |
| Wednesday Night | 50°F | Mostly Cloudy | 5 to 10 mph NE | 9% |
| Thursday | 70°F | Partly Sunny | 5 to 10 mph N | 5% |
| Thursday Night | 51°F | Mostly Cloudy | 5 to 10 mph N | 4% |
| Friday | 71°F | Mostly Sunny | 5 mph NE | 5% |
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
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Hudson Lake
Kingsbury
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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 Sep 19, 2026.