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Martinton, IL Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Martinton, a village in Iroquois County, Illinois.

Overnight
60°F
Rain Showers
Rain showers. Cloudy. Low around 60, 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 for Martinton

WhenTempForecastWindPrecip
Overnight 60°F Rain Showers 15 mph S 82%
Wednesday 65°F Chance Rain Showers 10 to 15 mph SW 40%
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 14%
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 63°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) 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

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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 Nov 4, 2026.