Parkersburg, IL Weather & Growing Conditions
Tonight
72°F
Slight Chance Showers And Thunderstorms then Partly Cloudy
A slight chance of showers and thunderstorms before 9pm. Partly cloudy, with a low around 72. East wind 3 to 7 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 72°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 3 to 7 mph E | 19% |
| Saturday | 95°F | Sunny | 3 to 8 mph SSW | 13% |
| Saturday Night | 72°F | Partly Cloudy | 3 to 7 mph SSW | 11% |
| Sunday | 95°F | Mostly Sunny | 3 to 8 mph W | 14% |
| Sunday Night | 67°F | Mostly Cloudy then Chance Showers And Thunderstorms | 8 mph NNE | 32% |
| Monday | 84°F | Chance Rain Showers | 8 to 12 mph NE | 47% |
| Monday Night | 61°F | Chance Showers And Thunderstorms | 8 to 14 mph NNE | 47% |
| Tuesday | 74°F | Chance Showers And Thunderstorms | 12 mph NNE | 40% |
| Tuesday Night | 57°F | Mostly Cloudy | 7 to 13 mph NNE | 10% |
| Wednesday | 74°F | Partly Sunny | 7 to 10 mph N | 4% |
| Wednesday Night | 56°F | Partly Cloudy | 3 to 10 mph N | 4% |
| Thursday | 75°F | Mostly Sunny | 5 to 9 mph N | 3% |
| Thursday Night | 58°F | Partly Cloudy | 5 to 8 mph NNE | 3% |
| Friday | 77°F | Mostly Sunny | 5 to 9 mph NNE | 4% |
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 Sep 19, 2026.