Harman US

Brookston, IN Weather & Growing Conditions

This Afternoon
67°F
Partly Sunny
Partly sunny. High near 67, with temperatures falling to around 60 in the afternoon. Southwest wind around 15 mph, with gusts as high as 25 mph.

7-day forecast

WhenTempForecastWindPrecip
This Afternoon 67°F Partly Sunny 15 mph SW 5%
Tonight 47°F Mostly Cloudy 10 mph SW 9%
Thursday 59°F Mostly Cloudy 10 to 15 mph SW 7%
Thursday Night 42°F Chance Rain Showers 5 to 10 mph NW 53%
Friday 52°F Mostly Cloudy 10 mph NW 14%
Friday Night 34°F Partly Cloudy 5 to 10 mph NW 6%
Saturday 53°F Mostly Sunny 5 mph NW 1%
Saturday Night 30°F Mostly Clear 0 to 5 mph NW 0%
Sunday 58°F Sunny 0 to 10 mph W 1%
Sunday Night 33°F Mostly Clear 0 to 5 mph W 1%
Monday 62°F Sunny 0 to 5 mph SW 0%
Monday Night 38°F Clear 5 mph SW 0%
Tuesday 64°F Sunny 5 mph W 0%
Tuesday Night 37°F Mostly Clear 0 to 5 mph NW 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 Nov 4, 2026.