Brook, IN Weather & Growing Conditions
This Afternoon
66°F
Slight Chance Rain Showers
A slight chance of rain showers and a slight chance of drizzle. Cloudy. High near 66, with temperatures falling to around 58 in the afternoon. West southwest wind around 15 mph, with gusts as high as 25 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 66°F | Slight Chance Rain Showers | 15 mph WSW | 0% |
| Tonight | 47°F | Slight Chance Rain Showers then Cloudy | 10 to 15 mph SW | 9% |
| Thursday | 57°F | Mostly Cloudy then Chance Rain | 5 to 15 mph SW | 29% |
| Thursday Night | 40°F | Rain Likely | 5 mph WNW | 74% |
| Friday | 51°F | Partly Sunny | 5 to 10 mph NNW | 11% |
| Friday Night | 33°F | Partly Cloudy | 0 to 5 mph NW | 2% |
| Saturday | 52°F | Sunny | 0 to 5 mph NW | 1% |
| Saturday Night | 30°F | Mostly Clear | 0 mph | 0% |
| Sunday | 59°F | Sunny | 0 to 5 mph W | 1% |
| Sunday Night | 33°F | Mostly Clear | 0 to 5 mph W | 0% |
| Monday | 63°F | Sunny | 0 to 5 mph WSW | 0% |
| Monday Night | 38°F | Mostly Clear | 0 to 5 mph SW | 0% |
| Tuesday | 64°F | Sunny | 0 to 5 mph WNW | 0% |
| Tuesday Night | 36°F | Partly Cloudy | 0 mph | 2% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Brook, IN
Last spring frost
Apr 23
First fall frost
Oct 14
Growing season
175 days
Hardiness zone
5b
Explore more for Brook, IN: full frost dates · planting calendar · Indiana frost dates
Climate data from the nearest NOAA station, Kentland, In (9.3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 5, 2026.