Highland, IN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Highland, a town in Lake County, Indiana.
Overnight
62°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 62. East southeast wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 40%. New rainfall amounts between a quarter and half of an inch possible.
7-day forecast for Highland
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 62°F | Chance Showers And Thunderstorms | 10 mph ESE | 38% |
| Saturday | 78°F | Showers And Thunderstorms Likely | 5 to 10 mph SSE | 82% |
| Saturday Night | 66°F | Showers And Thunderstorms Likely | 5 mph SW | 82% |
| Sunday | 70°F | Showers And Thunderstorms | 5 to 15 mph NNE | 82% |
| Sunday Night | 56°F | Rain Showers Likely | 10 to 15 mph NE | 65% |
| Monday | 66°F | Showers And Thunderstorms Likely | 15 mph ENE | 57% |
| Monday Night | 53°F | Chance Rain Showers | 10 to 15 mph ENE | 34% |
| Tuesday | 64°F | Slight Chance Rain Showers | 10 mph NE | 19% |
| Tuesday Night | 53°F | Slight Chance Rain Showers | 5 to 10 mph NE | 17% |
| Wednesday | 66°F | Slight Chance Rain Showers then Partly Sunny | 5 to 10 mph NNE | 15% |
| Wednesday Night | 54°F | Mostly Cloudy | 5 to 10 mph NNE | 5% |
| Thursday | 68°F | Partly Sunny | 5 to 10 mph NNE | 4% |
| Thursday Night | 55°F | Mostly Cloudy | 0 to 5 mph NNE | 4% |
| Friday | 70°F | Mostly Sunny | 0 to 5 mph NNE | 4% |
Forecast source: National Weather Service (api.weather.gov) for Highland (41.547, -87.458). Updated through the day.
Growing snapshot for Highland
Last spring frost
Apr 23
First fall frost
Oct 20
Growing season
179 days
Hardiness zone
6a
More local growing data for Highland: nearby ZIP 46322 weather · frost dates · planting calendar · Indiana frost dates
Nearby towns & communities
Cedar Lake
Crown Point
Dyer
East Chicago
Gary
Griffith
Hammond
Hobart
Lake Dalecarlia
Lake Station
Leroy
Lowell
Merrillville
Munster
New Chicago
Ross
Schererville
Schneider
Shelby
St. John
Whiting
Winfield
Climate data from the nearest NOAA station, Park Forest, Il (12.1 mi from Highland). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.