Martinton, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Martinton, a village in Iroquois County, Illinois.
This Afternoon
76°F
Chance Rain Showers
A chance of rain showers. Partly sunny, with a high near 76. East wind around 10 mph. Chance of precipitation is 50%.
7-day forecast for Martinton
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 76°F | Chance Rain Showers | 10 mph E | 50% |
| Tonight | 63°F | Partly Cloudy then Slight Chance Showers And Thunderstorms | 5 to 10 mph E | 21% |
| Saturday | 82°F | Showers And Thunderstorms Likely | 5 to 10 mph SE | 59% |
| Saturday Night | 68°F | Chance Showers And Thunderstorms | 5 mph SW | 68% |
| Sunday | 75°F | Showers And Thunderstorms Likely | 5 to 10 mph NNE | 69% |
| Sunday Night | 55°F | Showers And Thunderstorms Likely | 10 mph NE | 67% |
| Monday | 66°F | Showers And Thunderstorms Likely | 10 mph ENE | 64% |
| Monday Night | 50°F | Chance Rain Showers | 10 mph NE | 42% |
| Tuesday | 66°F | Slight Chance Rain Showers | 10 mph NE | 23% |
| Tuesday Night | 50°F | Slight Chance Rain Showers then Mostly Cloudy | 5 to 10 mph NNE | 18% |
| Wednesday | 68°F | Partly Sunny | 5 mph NNE | 7% |
| Wednesday Night | 51°F | Mostly Cloudy | 0 to 5 mph NNE | 7% |
| Thursday | 70°F | Partly Sunny | 0 to 5 mph NNE | 4% |
| Thursday Night | 52°F | Partly Cloudy | 0 to 5 mph NNE | 4% |
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 Sep 19, 2026.