Munster, IN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Munster, a town in Lake County, Indiana.
Today
65°F
Slight Chance Drizzle then Slight Chance Rain Showers
A slight chance of drizzle before 1pm, then a slight chance of rain showers and a slight chance of drizzle. Mostly cloudy. High near 65, with temperatures falling to around 58 in the afternoon. Southwest wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Munster
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 65°F | Slight Chance Drizzle then Slight Chance Rain Showers | 15 mph SW | 18% |
| Tonight | 47°F | Slight Chance Rain | 10 to 15 mph SW | 19% |
| Thursday | 56°F | Mostly Cloudy then Chance Rain | 10 to 15 mph WSW | 45% |
| Thursday Night | 40°F | Rain Likely | 10 mph NW | 74% |
| Friday | 50°F | Mostly Cloudy then Slight Chance Rain | 10 to 15 mph NNW | 18% |
| Friday Night | 37°F | Partly Cloudy | 5 to 10 mph NNW | 6% |
| Saturday | 51°F | Mostly Sunny | 5 mph NW | 3% |
| Saturday Night | 35°F | Partly Cloudy | 0 to 5 mph W | 0% |
| Sunday | 56°F | Sunny | 5 to 10 mph W | 5% |
| Sunday Night | 36°F | Mostly Clear | 5 mph W | 2% |
| Monday | 60°F | Sunny | 5 to 10 mph SW | 1% |
| Monday Night | 41°F | Mostly Clear | 5 mph WSW | 1% |
| Tuesday | 61°F | Sunny | 5 mph WNW | 0% |
| Tuesday Night | 40°F | Partly Cloudy | 0 mph | 2% |
Forecast source: National Weather Service (api.weather.gov) for Munster (41.547, -87.505). Updated through the day.
Growing snapshot for Munster
Last spring frost
Apr 23
First fall frost
Oct 20
Growing season
179 days
Hardiness zone
6a
More local growing data for Munster: nearby ZIP 46321 weather · frost dates · planting calendar · Indiana frost dates
Nearby towns & communities
Cedar Lake
Crown Point
Dyer
East Chicago
Gary
Griffith
Hammond
Highland
Hobart
Lake Dalecarlia
Lake Station
Leroy
Lowell
Merrillville
New Chicago
Ross
Schererville
Schneider
Shelby
St. John
Whiting
Winfield
Climate data from the nearest NOAA station, Park Forest, Il (9.9 mi from Munster). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.