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Gridley, IL Weather & Growing Conditions

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

This Afternoon
72°F
Light Rain Likely
Rain likely and a slight chance of thunderstorms. Mostly cloudy, with a high near 72. South wind around 21 mph, with gusts as high as 33 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.

7-day forecast for Gridley

WhenTempForecastWindPrecip
This Afternoon 72°F Light Rain Likely 21 mph S 61%
Tonight 54°F Light Rain 14 to 18 mph S 85%
Wednesday 62°F Chance Light Rain then Mostly Cloudy 14 to 17 mph SW 32%
Wednesday Night 45°F Mostly Cloudy 13 mph SW 5%
Thursday 60°F Partly Sunny 10 to 15 mph WSW 7%
Thursday Night 41°F Mostly Cloudy then Chance Light Rain 5 to 8 mph NW 31%
Friday 55°F Slight Chance Light Rain 7 to 12 mph NNW 20%
Friday Night 34°F Mostly Cloudy 2 to 9 mph NNW 5%
Saturday 54°F Mostly Sunny 2 to 6 mph WNW 3%
Saturday Night 33°F Partly Cloudy 3 mph WSW 2%
Sunday 60°F Sunny 3 to 10 mph W 13%
Sunday Night 34°F Mostly Clear 7 mph W 7%
Monday 64°F Sunny 5 to 12 mph SW 3%
Monday Night 39°F Mostly Clear 5 to 9 mph WSW 2%

Forecast source: National Weather Service (api.weather.gov) for Gridley (40.744, -88.881). Updated through the day.

Growing snapshot for Gridley

Last spring frost
Apr 23
First fall frost
Oct 15
Growing season
174 days
Hardiness zone
5b

More local growing data for Gridley: nearby ZIP 61744 weather · frost dates · planting calendar · Illinois frost dates

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Climate data from the nearest NOAA station, Chenoa, Il (8.5 mi from Gridley). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 3, 2026.