Gary, IN Weather & Growing Conditions
Tonight
65°F
Showers And Thunderstorms
Showers and thunderstorms likely before 8pm, then a chance of showers and thunderstorms between 8pm and 9pm, then showers and thunderstorms. Cloudy. Low around 65, with temperatures rising to around 67 overnight. South southeast wind around 5 mph, with gusts as high as 10 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 65°F | Showers And Thunderstorms | 5 mph SSE | 99% |
| Sunday | 68°F | Showers And Thunderstorms | 10 to 20 mph NNE | 82% |
| Sunday Night | 59°F | Chance Rain Showers | 15 to 20 mph ENE | 42% |
| Monday | 65°F | Chance Rain Showers | 15 mph ENE | 35% |
| Monday Night | 57°F | Chance Rain Showers | 15 to 20 mph ENE | 30% |
| Tuesday | 63°F | Chance Rain Showers | 15 mph NE | 25% |
| Tuesday Night | 57°F | Chance Rain Showers then Mostly Cloudy | 10 to 15 mph NE | 25% |
| Wednesday | 64°F | Mostly Cloudy | 10 mph NE | 14% |
| Wednesday Night | 58°F | Mostly Cloudy | 5 to 10 mph NE | 9% |
| Thursday | 66°F | Partly Sunny | 5 to 10 mph NE | 1% |
| Thursday Night | 60°F | Mostly Cloudy | 5 mph NE | 8% |
| Friday | 68°F | Partly Sunny | 5 mph NE | 8% |
| Friday Night | 59°F | Partly Cloudy | 0 to 5 mph NE | 2% |
| Saturday | 70°F | Mostly Sunny | 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 (12.9 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.