Blue River, WI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Blue River, a village in Richland County, Wisconsin.
Overnight
56°F
Showers And Thunderstorms
Showers and thunderstorms. Some of the storms could produce heavy rain. Cloudy. Low around 56, with temperatures rising to around 58 overnight. Northeast wind around 3 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.
7-day forecast for Blue River
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 56°F | Showers And Thunderstorms | 3 mph NE | 99% |
| Saturday | 70°F | Showers And Thunderstorms | 5 mph E | 96% |
| Saturday Night | 57°F | Showers And Thunderstorms | 5 to 10 mph NE | 75% |
| Sunday | 66°F | Chance Rain Showers then Mostly Cloudy | 12 mph NE | 38% |
| Sunday Night | 52°F | Mostly Cloudy | 12 to 15 mph NE | 11% |
| Monday | 62°F | Mostly Cloudy | 12 mph NE | 14% |
| Monday Night | 46°F | Mostly Cloudy | 6 to 10 mph NE | 13% |
| Tuesday | 61°F | Mostly Sunny | 6 to 9 mph NE | 9% |
| Tuesday Night | 44°F | Partly Cloudy | 2 to 7 mph NE | 4% |
| Wednesday | 65°F | Mostly Sunny | 2 to 7 mph NE | 2% |
| Wednesday Night | 47°F | Mostly Clear | 0 to 3 mph NE | 2% |
| Thursday | 67°F | Mostly Sunny | 1 to 5 mph NE | 3% |
| Thursday Night | 49°F | Partly Cloudy | 2 mph NE | 1% |
| Friday | 71°F | Mostly Sunny | 0 to 5 mph NE | 2% |
Forecast source: National Weather Service (api.weather.gov) for Blue River (43.184, -90.572). Updated through the day.
Growing snapshot for Blue River
Last spring frost
May 3
First fall frost
Oct 7
Growing season
155 days
Hardiness zone
5a
More local growing data for Blue River: nearby ZIP 53518 weather · frost dates · planting calendar · Wisconsin frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Boscobel Ap, Wi (7.2 mi from Blue River). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.