Blandinsville, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Blandinsville, a village in Mcdonough County, Illinois.
Today
54°F
Slight Chance Drizzle then Cloudy
A slight chance of drizzle before noon. Cloudy, with a high near 54. West wind around 15 mph, with gusts as high as 25 mph.
7-day forecast for Blandinsville
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 54°F | Slight Chance Drizzle then Cloudy | 15 mph W | 11% |
| Tonight | 46°F | Slight Chance Drizzle | 10 mph SW | 10% |
| Thursday | 53°F | Chance Rain Showers | 10 to 15 mph W | 28% |
| Thursday Night | 43°F | Chance Rain Showers | 5 to 10 mph NW | 26% |
| Friday | 51°F | Partly Sunny | 5 to 10 mph N | 11% |
| Friday Night | 32°F | Partly Cloudy | 0 to 5 mph N | 0% |
| Saturday | 52°F | Sunny | 0 to 5 mph NW | 0% |
| Saturday Night | 34°F | Mostly Clear | 0 to 5 mph W | 1% |
| Sunday | 58°F | Sunny | 5 mph W | 2% |
| Sunday Night | 36°F | Clear | 0 to 5 mph W | 0% |
| Monday | 63°F | Sunny | 0 to 10 mph SW | 0% |
| Monday Night | 41°F | Clear | 5 mph W | 0% |
| Tuesday | 65°F | Sunny | 5 mph NW | 0% |
| Tuesday Night | 42°F | Partly Cloudy | 0 mph | 0% |
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 Nov 4, 2026.