Martinton, IL Weather & Growing Conditions
Tonight
63°F
Partly Cloudy then Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms after 5am. Partly cloudy, with a low around 63. East wind 5 to 10 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| 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 | 41% |
| 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% |
| Friday | 72°F | Mostly Sunny | 0 to 5 mph NNE | 4% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Martinton, IL
Last spring frost
Apr 24
First fall frost
Oct 16
Growing season
174 days
Hardiness zone
5b
Explore more for Martinton, IL: full frost dates · planting calendar · Illinois frost dates
Climate data from the nearest NOAA station, Watseka 2 Nw, Il (8.7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.