Martinton, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Martinton, a village in Iroquois County, Illinois.
Today
84°F
Mostly Sunny
Mostly sunny, with a high near 84. South wind 0 to 5 mph.
7-day forecast for Martinton
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 84°F | Mostly Sunny | 0 to 5 mph S | 0% |
| Tonight | 62°F | Partly Cloudy | 0 mph | 0% |
| Wednesday | 83°F | Partly Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph SSW | 21% |
| Wednesday Night | 65°F | Chance Showers And Thunderstorms then Showers And Thunderstorms | 0 to 5 mph WSW | 84% |
| Thursday | 80°F | Showers And Thunderstorms | 0 to 5 mph SSW | 84% |
| Thursday Night | 62°F | Chance Showers And Thunderstorms | 0 mph | 53% |
| Friday | 82°F | Mostly Sunny | 0 mph | 9% |
| Friday Night | 63°F | Partly Cloudy | 0 mph | 13% |
| Saturday | 84°F | Mostly Sunny | 0 to 5 mph SSW | 11% |
| Saturday Night | 68°F | Mostly Clear | 0 to 5 mph SSW | 11% |
| Sunday | 86°F | Mostly Sunny | 5 to 10 mph SW | 11% |
| Sunday Night | 69°F | Slight Chance Showers And Thunderstorms | 5 mph SSW | 25% |
| Monday | 86°F | Chance Showers And Thunderstorms | 5 to 10 mph SW | 25% |
| Monday Night | 69°F | Chance Showers And Thunderstorms | 5 mph SW | 38% |
Forecast source: National Weather Service (api.weather.gov) for Martinton (40.915, -87.726). Updated through the day.
Growing snapshot for Martinton
Last spring frost
Apr 24
First fall frost
Oct 16
Growing season
174 days
Hardiness zone
5b
More local growing data for Martinton: nearby ZIP 60951 weather · frost dates · planting calendar · Illinois frost dates
Nearby towns & communities
Ashkum
Beaverville
Buckley
Cissna Park
Clifton
Crescent City
Danforth
Donovan
Gilman
Iroquois
Loda
Milford
Onarga
Papineau
Sheldon
Thawville
Watseka
Wellington
Woodland
Climate data from the nearest NOAA station, Watseka 2 Nw, Il (8.7 mi from Martinton). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.