Harman US

Lowell, IN Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Lowell, a town in Lake County, Indiana.

Tonight
61°F
Slight Chance Rain Showers then Chance Showers And Thunderstorms
A slight chance of rain showers before 7pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 61. 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 Lowell

WhenTempForecastWindPrecip
Tonight 61°F Slight Chance Rain Showers then Chance Showers And Thunderstorms 5 to 10 mph E 31%
Saturday 79°F Showers And Thunderstorms Likely 5 to 10 mph SE 79%
Saturday Night 66°F Showers And Thunderstorms Likely 5 mph SSW 79%
Sunday 72°F Showers And Thunderstorms 5 to 15 mph N 79%
Sunday Night 54°F Showers And Thunderstorms Likely 10 to 15 mph NE 68%
Monday 65°F Showers And Thunderstorms Likely 10 to 15 mph ENE 59%
Monday Night 50°F Chance Rain Showers 10 to 15 mph NE 38%
Tuesday 65°F Slight Chance Rain Showers 10 mph NE 19%
Tuesday Night 50°F Slight Chance Rain Showers then Mostly Cloudy 5 to 10 mph NE 19%
Wednesday 66°F Partly Sunny 5 to 10 mph NNE 8%
Wednesday Night 51°F Mostly Cloudy 5 to 10 mph NNE 7%
Thursday 68°F Partly Sunny 5 to 10 mph NNE 4%
Thursday Night 52°F Mostly Cloudy 0 to 5 mph NNE 3%
Friday 70°F Mostly Sunny 0 to 5 mph NNE 4%

Forecast source: National Weather Service (api.weather.gov) for Lowell (41.291, -87.420). Updated through the day.

Growing snapshot for Lowell

Last spring frost
Apr 29
First fall frost
Oct 16
Growing season
171 days
Hardiness zone
5b

More local growing data for Lowell: nearby ZIP 46356 weather · frost dates · planting calendar · Indiana frost dates

Nearby towns & communities

All Indiana locations ›

Climate data from the nearest NOAA station, Lowell, In (0.1 mi from Lowell). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.