Bloomington, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Bloomington, a city in Mclean County, Illinois.
Overnight
63°F
Mostly Clear
Mostly clear, with a low around 63. South southeast wind around 6 mph.
7-day forecast for Bloomington
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 63°F | Mostly Clear | 6 mph SSE | 0% |
| Tuesday | 85°F | Sunny | 7 mph S | 0% |
| Tuesday Night | 66°F | Partly Cloudy | 6 mph SSE | 1% |
| Wednesday | 84°F | Mostly Sunny then Chance Showers And Thunderstorms | 8 mph SSW | 25% |
| Wednesday Night | 67°F | Chance Showers And Thunderstorms then Showers And Thunderstorms | 7 mph SSE | 80% |
| Thursday | 81°F | Showers And Thunderstorms | 7 mph SSW | 80% |
| Thursday Night | 65°F | Slight Chance Showers And Thunderstorms | 6 mph S | 17% |
| Friday | 83°F | Mostly Sunny | 3 mph SSW | 11% |
| Friday Night | 66°F | Slight Chance Showers And Thunderstorms | 5 mph S | 22% |
| Saturday | 86°F | Mostly Sunny | 8 mph SSW | 12% |
| Saturday Night | 70°F | Mostly Clear | 7 to 10 mph S | 12% |
| Sunday | 88°F | Sunny | 10 to 14 mph SSW | 10% |
| Sunday Night | 72°F | Partly Cloudy then Slight Chance Showers And Thunderstorms | 9 to 13 mph SSW | 15% |
| Monday | 89°F | Slight Chance Showers And Thunderstorms | 9 to 13 mph SSW | 16% |
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 Aug 4, 2026.