Brook, IN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Brook, a town in Newton County, Indiana.
This Afternoon
66°F
Slight Chance Rain Showers
A slight chance of rain showers and a slight chance of drizzle. Mostly cloudy. High near 66, with temperatures falling to around 57 in the afternoon. West southwest wind around 15 mph, with gusts as high as 25 mph.
7-day forecast for Brook
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 66°F | Slight Chance Rain Showers | 15 mph WSW | 1% |
| Tonight | 46°F | Slight Chance Rain Showers then Cloudy | 10 to 15 mph SW | 8% |
| Thursday | 57°F | Mostly Cloudy then Chance Rain | 5 to 15 mph SW | 29% |
| Thursday Night | 40°F | Rain Likely | 5 mph WNW | 73% |
| Friday | 51°F | Partly Sunny | 5 to 10 mph NNW | 10% |
| 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 | 32°F | Mostly Clear | 0 mph | 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) for Brook (40.866, -87.366). Updated through the day.
Growing snapshot for Brook
Last spring frost
Apr 23
First fall frost
Oct 14
Growing season
175 days
Hardiness zone
5b
More local growing data for Brook: nearby ZIP 47922 weather · frost dates · planting calendar · Indiana frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Kentland, In (9.3 mi from Brook). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.