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
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| 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
Cedar Lake
Crown Point
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Gary
Griffith
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Highland
Hobart
Lake Dalecarlia
Lake Station
Leroy
Merrillville
Munster
New Chicago
Ross
Schererville
Schneider
Shelby
St. John
Whiting
Winfield
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.