Eagle River, WI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Eagle River, a city in Vilas County, Wisconsin.
Tonight
48°F
Chance Rain Showers
A chance of rain showers. Cloudy, with a low around 48. East southeast wind around 5 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Eagle River
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 48°F | Chance Rain Showers | 5 mph ESE | 30% |
| Saturday | 62°F | Chance Rain Showers | 7 mph ESE | 32% |
| Saturday Night | 45°F | Slight Chance Rain Showers then Patchy Fog | 1 to 5 mph NE | 21% |
| Sunday | 65°F | Partly Sunny | 6 to 10 mph NNE | 0% |
| Sunday Night | 40°F | Mostly Cloudy | 3 to 9 mph NE | 0% |
| Monday | 62°F | Partly Sunny | 3 to 7 mph ENE | 1% |
| Monday Night | 36°F | Partly Cloudy then Patchy Frost | 1 to 5 mph E | 1% |
| Tuesday | 63°F | Patchy Frost then Mostly Sunny | 1 to 7 mph E | 1% |
| Tuesday Night | 38°F | Mostly Clear then Patchy Fog | 1 to 5 mph E | 3% |
| Wednesday | 66°F | Patchy Fog then Mostly Sunny | 1 to 6 mph ESE | 3% |
| Wednesday Night | 42°F | Patchy Fog | 0 to 3 mph ESE | 1% |
| Thursday | 69°F | Patchy Fog then Partly Sunny | 0 to 3 mph SSW | 3% |
| Thursday Night | 44°F | Partly Cloudy | 2 mph W | 6% |
| Friday | 71°F | Mostly Sunny | 0 to 5 mph NNW | 6% |
Forecast source: National Weather Service (api.weather.gov) for Eagle River (45.925, -89.258). Updated through the day.
Growing snapshot for Eagle River
Last spring frost
May 25
First fall frost
Sep 24
Growing season
121 days
Hardiness zone
4b
More local growing data for Eagle River: nearby ZIP 54521 weather · frost dates · planting calendar · Wisconsin frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Eagle Rvr, Wi (0.1 mi from Eagle River). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.