Bluffs, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Bluffs, a village in Scott County, Illinois.
Overnight
54°F
Slight Chance Light Rain
A slight chance of rain before 2am. Mostly cloudy, with a low around 54. Southwest wind around 12 mph, with gusts as high as 21 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Bluffs
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 54°F | Slight Chance Light Rain | 12 mph SW | 15% |
| Wednesday | 59°F | Patchy Drizzle | 12 to 15 mph WSW | 10% |
| Wednesday Night | 46°F | Patchy Drizzle then Mostly Cloudy | 10 mph WSW | 10% |
| Thursday | 60°F | Partly Sunny | 9 to 13 mph W | 5% |
| Thursday Night | 44°F | Mostly Cloudy | 5 to 8 mph NW | 8% |
| Friday | 54°F | Partly Sunny | 7 to 10 mph NNW | 2% |
| Friday Night | 33°F | Partly Cloudy | 0 to 6 mph N | 0% |
| Saturday | 54°F | Mostly Sunny | 0 to 3 mph NNW | 0% |
| Saturday Night | 33°F | Partly Cloudy | 2 mph WNW | 1% |
| Sunday | 59°F | Sunny | 2 to 6 mph W | 2% |
| Sunday Night | 35°F | Clear | 2 mph W | 0% |
| Monday | 65°F | Sunny | 1 to 6 mph SW | 0% |
| Monday Night | 40°F | Clear | 3 mph WSW | 0% |
| Tuesday | 67°F | Sunny | 3 mph WNW | 0% |
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.