Gary, IN Weather & Growing Conditions
This Afternoon
70°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms. Cloudy, with a high near 70. Northeast wind around 5 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 70°F | Chance Showers And Thunderstorms | 5 mph NE | 34% |
| Tonight | 65°F | Showers And Thunderstorms | 5 mph ESE | 97% |
| Sunday | 68°F | Showers And Thunderstorms | 5 to 15 mph NNE | 82% |
| Sunday Night | 56°F | Chance Rain Showers | 15 mph ENE | 44% |
| Monday | 65°F | Chance Rain Showers | 15 mph ENE | 34% |
| Monday Night | 54°F | Chance Rain Showers | 15 mph ENE | 31% |
| Tuesday | 63°F | Chance Rain Showers | 15 mph NE | 25% |
| Tuesday Night | 55°F | Chance Rain Showers then Mostly Cloudy | 5 to 15 mph NE | 25% |
| Wednesday | 64°F | Mostly Cloudy | 10 mph NE | 14% |
| Wednesday Night | 56°F | Mostly Cloudy | 5 to 10 mph NE | 9% |
| Thursday | 66°F | Partly Sunny | 5 mph NE | 1% |
| Thursday Night | 57°F | Mostly Cloudy | 0 to 5 mph NE | 8% |
| Friday | 68°F | Partly Sunny | 0 to 5 mph NE | 8% |
| Friday Night | 57°F | Partly Cloudy | 0 to 5 mph NE | 2% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Gary, IN
Last spring frost
Apr 22
First fall frost
Oct 27
Growing season
188 days
Hardiness zone
6a
Explore more for Gary, IN: full frost dates · planting calendar · Indiana frost dates
Climate data from the nearest NOAA station, Indiana Dunes Nl, In (8.9 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.