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
64°F
Showers And Thunderstorms
A chance of showers and thunderstorms before 8pm, then a chance of showers and thunderstorms between 8pm and 10pm, then showers and thunderstorms. Some of the storms could produce heavy rain. Mostly cloudy, with a low around 64. Southeast wind 0 to 5 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
7-day forecast for Fish Lake
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 64°F | Showers And Thunderstorms | 0 to 5 mph SE | 85% |
| Sunday | 72°F | Showers And Thunderstorms | 5 to 10 mph N | 85% |
| Sunday Night | 51°F | Chance Rain Showers | 10 mph NE | 38% |
| Monday | 65°F | Chance Rain Showers | 10 to 15 mph NE | 33% |
| Monday Night | 48°F | Chance Rain Showers then Mostly Cloudy | 10 mph NE | 32% |
| Tuesday | 64°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 | 10 mph NE | 20% |
| Wednesday | 65°F | Slight Chance Rain Showers | 10 mph NE | 18% |
| Wednesday Night | 50°F | Slight Chance Rain Showers then Mostly Cloudy | 5 to 10 mph NE | 18% |
| Thursday | 68°F | Partly Sunny | 5 to 10 mph NE | 4% |
| Thursday Night | 51°F | Mostly Cloudy | 0 to 10 mph NE | 8% |
| Friday | 72°F | Partly Sunny | 0 to 5 mph NE | 8% |
| Friday Night | 50°F | Partly Cloudy | 0 to 5 mph NE | 1% |
| Saturday | 73°F | Mostly Sunny | 0 to 5 mph NE | 3% |
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
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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, Laporte, In (9.6 mi from Fish Lake). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.