Montrose, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Montrose, a village in Jasper County, Illinois.
Today
85°F
Sunny
Sunny, with a high near 85. South southeast wind around 3 mph.
7-day forecast for Montrose
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 85°F | Sunny | 3 mph SSE | 0% |
| Tonight | 64°F | Mostly Clear | 2 mph SSE | 0% |
| Wednesday | 86°F | Sunny | 3 mph S | 0% |
| Wednesday Night | 67°F | Partly Cloudy then Chance Showers And Thunderstorms | 5 mph S | 32% |
| Thursday | 83°F | Showers And Thunderstorms Likely | 2 to 6 mph SSW | 61% |
| Thursday Night | 67°F | Chance Showers And Thunderstorms | 3 mph SSW | 46% |
| Friday | 83°F | Chance Showers And Thunderstorms | 5 mph SSW | 29% |
| Friday Night | 67°F | Slight Chance Showers And Thunderstorms | 3 mph SSW | 22% |
| Saturday | 85°F | Slight Chance Showers And Thunderstorms | 5 mph SSW | 22% |
| Saturday Night | 69°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 5 mph S | 17% |
| Sunday | 87°F | Sunny | 5 to 9 mph SSW | 8% |
| Sunday Night | 71°F | Mostly Clear | 8 mph SSW | 8% |
| Monday | 88°F | Mostly Sunny | 9 mph SSW | 10% |
| Monday Night | 71°F | Slight Chance Showers And Thunderstorms | 7 mph SSW | 22% |
Forecast source: National Weather Service (api.weather.gov) for Montrose (39.166, -88.378). Updated through the day.
Growing snapshot for Montrose
Last spring frost
Apr 13
First fall frost
Oct 22
Growing season
190 days
Hardiness zone
6b
More local growing data for Montrose: nearby ZIP 62445 weather · frost dates · planting calendar · Illinois frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Newton, Il (14.4 mi from Montrose). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.