Bloomington, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Bloomington, a city in Mclean County, Illinois.
This Afternoon
82°F
Slight Chance Rain Showers
A slight chance of rain showers. Mostly cloudy, with a high near 82. South wind around 8 mph. Chance of precipitation is 20%.
7-day forecast for Bloomington
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 82°F | Slight Chance Rain Showers | 8 mph S | 17% |
| Tonight | 68°F | Mostly Cloudy then Slight Chance Showers And Thunderstorms | 8 mph SSW | 20% |
| Sunday | 78°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 8 to 14 mph NNE | 45% |
| Sunday Night | 58°F | Chance Showers And Thunderstorms | 12 to 15 mph NE | 48% |
| Monday | 67°F | Rain Showers Likely | 15 mph ENE | 64% |
| Monday Night | 54°F | Chance Rain Showers | 13 to 16 mph ENE | 51% |
| Tuesday | 65°F | Chance Rain Showers | 14 mph NE | 51% |
| Tuesday Night | 52°F | Mostly Cloudy | 8 to 15 mph NNE | 14% |
| Wednesday | 67°F | Partly Sunny | 9 to 13 mph NNE | 4% |
| Wednesday Night | 53°F | Mostly Cloudy | 6 to 13 mph NNE | 1% |
| Thursday | 71°F | Partly Sunny | 8 mph NNE | 2% |
| Thursday Night | 55°F | Mostly Cloudy | 7 mph NNE | 7% |
| Friday | 74°F | Partly Sunny | 8 mph NE | 7% |
| Friday Night | 55°F | Partly Cloudy | 7 mph NE | 7% |
Forecast source: National Weather Service (api.weather.gov) for Bloomington (40.476, -88.970). Updated through the day.
Growing snapshot for Bloomington
Last spring frost
Apr 21
First fall frost
Oct 20
Growing season
181 days
Hardiness zone
6a
More local growing data for Bloomington: nearby ZIP 61701 weather · frost dates · planting calendar · Illinois frost dates
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Climate data from the nearest NOAA station, Bloomington 5W, Il (5 mi from Bloomington). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.