Harman US

Martinton, IL Weather & Growing Conditions

Overnight
59°F
Rain Showers
Rain showers. Cloudy. Low around 59, with temperatures rising to around 64 overnight. South wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch possible.

7-day forecast

WhenTempForecastWindPrecip
Overnight 59°F Rain Showers 15 mph S 81%
Wednesday 65°F Chance Rain Showers 10 to 15 mph SW 39%
Wednesday Night 46°F Mostly Cloudy 10 to 15 mph SW 6%
Thursday 59°F Mostly Cloudy then Slight Chance Rain Showers 10 to 15 mph WSW 20%
Thursday Night 41°F Chance Rain Showers 5 to 10 mph WNW 44%
Friday 52°F Mostly Cloudy 10 mph NNW 13%
Friday Night 33°F Partly Cloudy 0 to 10 mph NW 0%
Saturday 53°F Sunny 0 to 5 mph NW 0%
Saturday Night 31°F Partly Cloudy 0 mph 0%
Sunday 57°F Sunny 0 to 5 mph W 4%
Sunday Night 32°F Mostly Clear 0 mph 1%
Monday 64°F Sunny 0 to 5 mph SW 0%
Monday Night 37°F Mostly Clear 0 to 5 mph WSW 1%
Tuesday 65°F Sunny 0 to 5 mph WNW 1%

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 Nov 4, 2026.