Blandinsville, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Blandinsville, a village in Mcdonough County, Illinois.
Today
87°F
Sunny
Sunny, with a high near 87. Southwest wind 5 to 10 mph.
7-day forecast for Blandinsville
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 87°F | Sunny | 5 to 10 mph SW | 0% |
| Tonight | 68°F | Slight Chance Showers And Thunderstorms | 0 to 5 mph SE | 22% |
| Wednesday | 82°F | Chance Showers And Thunderstorms | 5 mph SW | 62% |
| Wednesday Night | 64°F | Showers And Thunderstorms | 0 to 5 mph N | 87% |
| Thursday | 80°F | Showers And Thunderstorms Likely then Slight Chance Showers And Thunderstorms | 0 to 5 mph NE | 71% |
| Thursday Night | 63°F | Partly Cloudy | 0 mph | 10% |
| Friday | 82°F | Mostly Sunny | 0 mph | 6% |
| Friday Night | 65°F | Slight Chance Showers And Thunderstorms | 0 mph | 16% |
| Saturday | 85°F | Slight Chance Showers And Thunderstorms then Sunny | 0 to 5 mph S | 16% |
| Saturday Night | 70°F | Mostly Clear | 0 to 5 mph S | 8% |
| Sunday | 87°F | Sunny | 5 to 15 mph SW | 8% |
| Sunday Night | 70°F | Partly Cloudy then Slight Chance Showers And Thunderstorms | 5 to 10 mph S | 18% |
| Monday | 87°F | Slight Chance Showers And Thunderstorms | 5 to 10 mph SW | 18% |
| Monday Night | 71°F | Chance Showers And Thunderstorms | 5 to 10 mph S | 27% |
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 Aug 4, 2026.