Harman US

Manchester, IL Weather & Growing Conditions

Tonight
51°F
Light Rain
Rain before 2am, then a slight chance of rain showers between 2am and 4am. Mostly cloudy, with a low around 51. South southwest wind 9 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

7-day forecast

WhenTempForecastWindPrecip
Tonight 51°F Light Rain 9 to 13 mph SSW 83%
Wednesday 60°F Mostly Cloudy 10 to 14 mph WSW 10%
Wednesday Night 42°F Mostly Cloudy 8 mph SW 0%
Thursday 62°F Mostly Sunny 7 to 12 mph W 6%
Thursday Night 41°F Mostly Cloudy then Slight Chance Light Rain 3 to 7 mph NW 21%
Friday 56°F Mostly Cloudy 9 mph NNW 8%
Friday Night 36°F Mostly Cloudy 1 to 7 mph N 2%
Saturday 55°F Mostly Sunny 3 mph NW 1%
Saturday Night 34°F Partly Cloudy 2 mph W 2%
Sunday 61°F Sunny 2 to 7 mph W 7%
Sunday Night 34°F Mostly Clear 5 mph W 4%
Monday 65°F Sunny 3 to 8 mph SW 2%
Monday Night 39°F Mostly Clear 5 mph SW 1%
Tuesday 67°F Sunny 6 mph WNW 1%

Forecast source: National Weather Service (api.weather.gov). Updated through the day.

Growing snapshot for Manchester, IL

Last spring frost
Apr 13
First fall frost
Oct 22
Growing season
190 days
Hardiness zone
6a

Explore more for Manchester, IL: full frost dates · planting calendar · Illinois frost dates

Climate data from the nearest NOAA station, White Hall 1 E, Il (7.5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.