Harman US

Biggsville, IL Weather & Growing Conditions

Tonight
51°F
Chance Rain Showers
A chance of rain showers before 5am. Mostly cloudy. Low around 51, with temperatures rising to around 53 overnight. South wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 50%.

7-day forecast

WhenTempForecastWindPrecip
Tonight 51°F Chance Rain Showers 10 to 15 mph S 54%
Wednesday 55°F Slight Chance Rain Showers 15 mph SW 20%
Wednesday Night 44°F Mostly Cloudy 10 to 15 mph SW 7%
Thursday 55°F Mostly Cloudy then Slight Chance Rain Showers 10 to 15 mph W 21%
Thursday Night 42°F Chance Rain Showers 5 to 10 mph NW 29%
Friday 53°F Mostly Cloudy 5 to 10 mph N 10%
Friday Night 36°F Partly Cloudy 0 to 5 mph N 0%
Saturday 53°F Mostly Sunny 0 to 5 mph W 1%
Saturday Night 36°F Mostly Clear 0 to 5 mph W 2%
Sunday 59°F Sunny 5 to 10 mph W 9%
Sunday Night 37°F Mostly Clear 5 mph W 3%
Monday 64°F Sunny 5 to 10 mph SW 0%
Monday Night 41°F Mostly Clear 5 mph W 0%
Tuesday 64°F Sunny 5 mph NW 0%

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

Growing snapshot for Biggsville, IL

Last spring frost
Apr 8
First fall frost
Oct 29
Growing season
202 days
Hardiness zone
5b

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

Climate data from the nearest NOAA station, Gladstone Dam 18, Il (8.4 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.