Parkersburg, IL Weather & Growing Conditions
Tonight
59°F
Rain
Rain before 3am, then a chance of rain showers. Mostly cloudy, with a low around 59. South wind 12 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 59°F | Rain | 12 to 18 mph S | 95% |
| Wednesday | 67°F | Slight Chance Rain Showers then Partly Sunny | 7 to 13 mph SW | 20% |
| Wednesday Night | 45°F | Mostly Cloudy | 5 mph WSW | 0% |
| Thursday | 67°F | Sunny | 5 to 10 mph WSW | 0% |
| Thursday Night | 45°F | Partly Cloudy | 3 mph WNW | 4% |
| Friday | 60°F | Partly Sunny | 2 to 9 mph NNW | 3% |
| Friday Night | 40°F | Partly Cloudy | 2 to 7 mph NNW | 3% |
| Saturday | 56°F | Mostly Sunny | 5 mph NNW | 0% |
| Saturday Night | 35°F | Partly Cloudy | 1 mph NW | 2% |
| Sunday | 61°F | Sunny | 1 to 7 mph W | 6% |
| Sunday Night | 35°F | Mostly Clear | 1 to 5 mph NW | 5% |
| Monday | 64°F | Sunny | 1 to 8 mph W | 2% |
| Monday Night | 39°F | Mostly Clear | 5 mph SW | 1% |
| Tuesday | 67°F | Sunny | 3 to 7 mph WSW | 1% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Parkersburg, IL
Last spring frost
Apr 15
First fall frost
Oct 23
Growing season
189 days
Hardiness zone
6b
Explore more for Parkersburg, IL: full frost dates · planting calendar · Illinois frost dates
Climate data from the nearest NOAA station, Olney 2S, Il (8.4 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.