Brookston, IN Weather & Growing Conditions
Overnight
62°F
Mostly Cloudy
Mostly cloudy, with a low around 62. East wind 5 to 10 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 62°F | Mostly Cloudy | 5 to 10 mph E | 4% |
| Saturday | 82°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 5 mph SE | 63% |
| Saturday Night | 67°F | Chance Showers And Thunderstorms | 5 mph S | 55% |
| Sunday | 77°F | Showers And Thunderstorms Likely | 0 to 10 mph N | 58% |
| Sunday Night | 56°F | Chance Showers And Thunderstorms | 10 to 15 mph NE | 54% |
| Monday | 66°F | Showers And Thunderstorms Likely | 15 mph NE | 59% |
| Monday Night | 52°F | Chance Rain Showers | 10 to 15 mph NE | 35% |
| Tuesday | 66°F | Slight Chance Rain Showers | 10 to 15 mph NE | 20% |
| Tuesday Night | 52°F | Slight Chance Rain Showers then Mostly Cloudy | 5 to 15 mph NE | 20% |
| Wednesday | 67°F | Mostly Cloudy | 5 to 10 mph NE | 12% |
| Wednesday Night | 53°F | Mostly Cloudy | 5 to 10 mph N | 10% |
| Thursday | 69°F | Partly Sunny | 5 to 10 mph N | 3% |
| Thursday Night | 53°F | Partly Cloudy | 5 to 10 mph NE | 3% |
| Friday | 71°F | Mostly Sunny | 5 to 10 mph NE | 2% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Brookston, IN
Last spring frost
Apr 25
First fall frost
Oct 17
Growing season
173 days
Hardiness zone
6a
Explore more for Brookston, IN: full frost dates · planting calendar · Indiana frost dates
Climate data from the nearest NOAA station, Chalmers 5 W, In (3.9 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.