Bluffs, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Bluffs, a village in Scott County, Illinois.
This Afternoon
57°F
Slight Chance Drizzle
A slight chance of drizzle. Cloudy, with a high near 57. West southwest wind 10 to 14 mph, with gusts as high as 21 mph.
7-day forecast for Bluffs
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 57°F | Slight Chance Drizzle | 10 to 14 mph WSW | 10% |
| Tonight | 45°F | Patchy Drizzle then Mostly Cloudy | 9 mph WSW | 10% |
| Thursday | 58°F | Partly Sunny | 8 to 13 mph W | 14% |
| Thursday Night | 42°F | Slight Chance Light Rain then Mostly Cloudy | 8 mph NW | 16% |
| Friday | 52°F | Partly Sunny | 6 to 10 mph N | 2% |
| Friday Night | 31°F | Partly Cloudy | 0 to 5 mph N | 0% |
| Saturday | 53°F | Sunny | 0 to 3 mph NNW | 0% |
| Saturday Night | 31°F | Mostly Clear | 1 mph NW | 0% |
| Sunday | 59°F | Sunny | 1 to 5 mph W | 0% |
| Sunday Night | 34°F | Clear | 2 mph W | 0% |
| Monday | 65°F | Sunny | 0 to 7 mph WSW | 0% |
| Monday Night | 39°F | Clear | 5 mph SW | 1% |
| Tuesday | 66°F | Sunny | 3 mph W | 3% |
| Tuesday Night | 40°F | Mostly Clear | 1 mph NNW | 3% |
Forecast source: National Weather Service (api.weather.gov) for Bluffs (39.749, -90.535). Updated through the day.
Growing snapshot for Bluffs
Last spring frost
Apr 18
First fall frost
Oct 20
Growing season
183 days
Hardiness zone
6a
More local growing data for Bluffs: nearby ZIP 62621 weather · frost dates · planting calendar · Illinois frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Winchester, Il (7.3 mi from Bluffs). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.