Bloomington, IL Weather & Growing Conditions
Overnight
55°F
Light Rain
Rain before 4am, then a chance of rain showers. Mostly cloudy. Low around 55, with temperatures rising to around 60 overnight. South wind around 15 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 55°F | Light Rain | 15 mph S | 85% |
| Wednesday | 61°F | Slight Chance Rain Showers then Mostly Cloudy | 14 to 17 mph SW | 23% |
| Wednesday Night | 46°F | Mostly Cloudy | 12 mph SW | 5% |
| Thursday | 60°F | Partly Sunny | 10 to 15 mph WSW | 7% |
| Thursday Night | 44°F | Mostly Cloudy then Chance Light Rain | 8 mph NW | 25% |
| Friday | 55°F | Slight Chance Light Rain then Partly Sunny | 8 to 12 mph NNW | 18% |
| Friday Night | 37°F | Mostly Cloudy | 3 to 10 mph NNW | 7% |
| Saturday | 54°F | Mostly Sunny | 6 mph WNW | 2% |
| Saturday Night | 35°F | Partly Cloudy | 5 mph W | 3% |
| Sunday | 59°F | Sunny | 5 to 10 mph W | 13% |
| Sunday Night | 36°F | Mostly Clear | 5 to 8 mph W | 7% |
| Monday | 64°F | Sunny | 5 to 13 mph SW | 3% |
| Monday Night | 41°F | Mostly Clear | 6 to 9 mph WSW | 2% |
| Tuesday | 66°F | Sunny | 8 mph W | 1% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Bloomington, IL
Last spring frost
Apr 21
First fall frost
Oct 20
Growing season
181 days
Hardiness zone
6a
Explore more for Bloomington, IL: full frost dates · planting calendar · Illinois frost dates
Climate data from the nearest NOAA station, Bloomington 5W, Il (5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.