Blandinsville, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Blandinsville, a village in Mcdonough County, Illinois.
This Afternoon
80°F
Sunny
Sunny, with a high near 80. East wind around 10 mph.
7-day forecast for Blandinsville
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 80°F | Sunny | 10 mph E | 4% |
| Tonight | 69°F | Partly Cloudy then Slight Chance Showers And Thunderstorms | 5 to 10 mph SE | 20% |
| Saturday | 87°F | Slight Chance Rain Showers then Partly Sunny | 5 to 10 mph S | 15% |
| Saturday Night | 66°F | Mostly Cloudy then Chance Showers And Thunderstorms | 5 mph NW | 69% |
| Sunday | 76°F | Rain Showers Likely | 5 to 10 mph N | 69% |
| Sunday Night | 59°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 10 to 15 mph NE | 66% |
| Monday | 66°F | Showers And Thunderstorms Likely | 10 to 15 mph NE | 65% |
| Monday Night | 54°F | Chance Rain Showers | 10 to 15 mph NE | 51% |
| Tuesday | 63°F | Chance Rain Showers | 10 mph NE | 32% |
| Tuesday Night | 49°F | Mostly Cloudy | 5 to 10 mph NE | 6% |
| Wednesday | 66°F | Mostly Sunny | 5 to 10 mph NE | 2% |
| Wednesday Night | 52°F | Partly Cloudy | 0 to 5 mph NE | 1% |
| Thursday | 69°F | Mostly Sunny | 5 mph NE | 4% |
| Thursday Night | 55°F | Partly Cloudy | 0 to 5 mph NE | 4% |
Forecast source: National Weather Service (api.weather.gov) for Blandinsville (40.554, -90.868). Updated through the day.
Growing snapshot for Blandinsville
Last spring frost
Apr 21
First fall frost
Oct 19
Growing season
180 days
Hardiness zone
6a
More local growing data for Blandinsville: nearby ZIP 61420 weather · frost dates · planting calendar · Illinois frost dates
Nearby towns & communities
Adair
Bardolph
Bushnell
Colchester
Georgetown
Good Hope
Industry
Macomb
Prairie City
Sciota
Tennessee
Climate data from the nearest NOAA station, La Harpe, Il (5.8 mi from Blandinsville). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.