Fish Lake, IN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Fish Lake, a community in Laporte County, Indiana.
Tonight
57°F
Mostly Cloudy then Chance Showers And Thunderstorms
A chance of showers and thunderstorms after 4am. Mostly cloudy. Low around 57, with temperatures rising to around 63 overnight. East wind 5 to 10 mph. Chance of precipitation is 30%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Fish Lake
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 57°F | Mostly Cloudy then Chance Showers And Thunderstorms | 5 to 10 mph E | 25% |
| Saturday | 76°F | Chance Showers And Thunderstorms then Showers And Thunderstorms | 5 to 10 mph SE | 84% |
| Saturday Night | 63°F | Chance Showers And Thunderstorms then Showers And Thunderstorms | 5 mph S | 86% |
| Sunday | 72°F | Rain Showers | 5 to 10 mph N | 81% |
| Sunday Night | 51°F | Rain Showers Likely | 10 to 15 mph NE | 62% |
| Monday | 66°F | Chance Showers And Thunderstorms | 10 to 15 mph NE | 51% |
| Monday Night | 48°F | Chance Rain Showers then Mostly Cloudy | 10 to 15 mph NE | 30% |
| Tuesday | 65°F | Mostly Cloudy then Slight Chance Rain Showers | 10 to 15 mph NE | 21% |
| Tuesday Night | 49°F | Slight Chance Rain Showers | 5 to 10 mph NE | 21% |
| Wednesday | 67°F | Partly Sunny | 5 to 10 mph NE | 13% |
| Wednesday Night | 50°F | Mostly Cloudy | 5 to 10 mph NE | 9% |
| Thursday | 69°F | Partly Sunny | 5 to 10 mph N | 5% |
| Thursday Night | 50°F | Mostly Cloudy | 0 to 10 mph N | 4% |
| Friday | 71°F | Mostly Sunny | 0 to 5 mph N | 6% |
Forecast source: National Weather Service (api.weather.gov) for Fish Lake (41.558, -86.546). Updated through the day.
Growing snapshot for Fish Lake
Last spring frost
Apr 19
First fall frost
Oct 27
Growing season
191 days
Hardiness zone
6a
More local growing data for Fish Lake: nearby ZIP 46365 weather · frost dates · planting calendar · Indiana frost dates
Nearby towns & communities
Duneland Beach
Hanna
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, Laporte, In (9.6 mi from Fish Lake). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.