Brook, IN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Brook, a town in Newton County, Indiana.
Overnight
60°F
Patchy Fog
Patchy fog. Mostly clear, with a low around 60. South southeast wind around 0 mph.
7-day forecast for Brook
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 60°F | Patchy Fog | 0 mph | 0% |
| Tuesday | 83°F | Patchy Fog then Sunny | 0 to 5 mph S | 0% |
| Tuesday Night | 61°F | Partly Cloudy | 0 mph | 0% |
| Wednesday | 82°F | Partly Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph SW | 15% |
| Wednesday Night | 65°F | Chance Showers And Thunderstorms | 0 mph | 77% |
| Thursday | 80°F | Showers And Thunderstorms | 0 to 5 mph SSW | 77% |
| Thursday Night | 62°F | Showers And Thunderstorms Likely then Slight Chance Showers And Thunderstorms | 0 mph | 58% |
| Friday | 81°F | Mostly Sunny | 0 mph | 14% |
| Friday Night | 63°F | Slight Chance Showers And Thunderstorms | 0 mph | 18% |
| Saturday | 83°F | Mostly Sunny | 0 to 5 mph SSW | 11% |
| Saturday Night | 67°F | Mostly Clear | 0 to 5 mph SSW | 10% |
| Sunday | 85°F | Mostly Sunny | 5 to 10 mph SW | 10% |
| Sunday Night | 69°F | Slight Chance Showers And Thunderstorms | 5 to 10 mph SW | 23% |
| Monday | 85°F | Slight Chance Showers And Thunderstorms | 5 to 10 mph SSW | 23% |
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 Aug 4, 2026.