Harman US

Pleasant Hill, IL Weather & Growing Conditions

Overnight
53°F
Slight Chance Light Rain
A slight chance of rain before 1am, then a slight chance of drizzle. Mostly cloudy, with a low around 53. Southwest wind around 10 mph, with gusts as high as 24 mph. Chance of precipitation is 20%.

7-day forecast

WhenTempForecastWindPrecip
Overnight 53°F Slight Chance Light Rain 10 mph SW 15%
Wednesday 59°F Slight Chance Drizzle then Mostly Cloudy 10 to 14 mph W 12%
Wednesday Night 45°F Partly Cloudy 8 mph W 1%
Thursday 60°F Mostly Sunny 7 to 12 mph W 6%
Thursday Night 43°F Mostly Cloudy then Slight Chance T-storms 5 mph NW 20%
Friday 56°F Mostly Cloudy 7 mph N 6%
Friday Night 38°F Mostly Cloudy 0 to 5 mph N 1%
Saturday 56°F Mostly Sunny 2 mph NW 1%
Saturday Night 37°F Partly Cloudy 1 mph W 2%
Sunday 62°F Sunny 1 to 6 mph W 8%
Sunday Night 37°F Mostly Clear 2 mph W 3%
Monday 66°F Sunny 2 to 7 mph SW 2%
Monday Night 42°F Mostly Clear 3 mph SW 1%
Tuesday 68°F Sunny 3 mph NW 0%

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

Growing snapshot for Pleasant Hill, IL

Last spring frost
Apr 4
First fall frost
Nov 1
Growing season
208 days
Hardiness zone
6b

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

Climate data from the nearest NOAA station, Clarksville L&D 24, Mo (6.8 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.