Bloomington, WI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Bloomington, a village in Grant County, Wisconsin.
Overnight
63°F
Mostly Cloudy
Mostly cloudy, with a low around 63. South wind around 7 mph.
7-day forecast for Bloomington
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 63°F | Mostly Cloudy | 7 mph S | 0% |
| Tuesday | 79°F | Mostly Cloudy then Chance Showers And Thunderstorms | 7 to 10 mph SW | 46% |
| Tuesday Night | 62°F | Showers And Thunderstorms Likely | 5 to 8 mph NW | 69% |
| Wednesday | 75°F | Chance Showers And Thunderstorms then Mostly Cloudy | 5 mph NW | 30% |
| Wednesday Night | 55°F | Partly Cloudy | 3 mph NW | 12% |
| Thursday | 78°F | Sunny | 3 mph E | 5% |
| Thursday Night | 59°F | Mostly Clear | 2 mph S | 0% |
| Friday | 81°F | Sunny | 1 to 8 mph S | 4% |
| Friday Night | 63°F | Mostly Clear | 7 mph S | 9% |
| Saturday | 83°F | Mostly Sunny | 6 to 9 mph SW | 9% |
| Saturday Night | 68°F | Chance Showers And Thunderstorms | 9 mph S | 34% |
| Sunday | 84°F | Chance Showers And Thunderstorms | 13 mph SW | 34% |
| Sunday Night | 67°F | Chance Showers And Thunderstorms | 6 to 9 mph S | 43% |
| Monday | 83°F | Chance Rain Showers | 9 mph S | 43% |
Forecast source: National Weather Service (api.weather.gov) for Bloomington (42.893, -90.927). Updated through the day.
Growing snapshot for Bloomington
Last spring frost
Apr 27
First fall frost
Oct 11
Growing season
166 days
Hardiness zone
5a
More local growing data for Bloomington: nearby ZIP 53804 weather · frost dates · planting calendar · Wisconsin frost dates
Nearby towns & communities
Bagley
Boscobel
Cuba City
Dickeyville
Fennimore
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Kieler
Lancaster
Livingston
Montfort
Mount Hope
Muscoda
Patch Grove
Platteville
Potosi
Sandy Hook
Tennyson
Woodman
Climate data from the nearest NOAA station, Lancaster 4 Wsw, Wi (6.9 mi from Bloomington). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.