Rhinelander, WI Weather & Growing Conditions
Tonight
49°F
Chance Rain Showers
A chance of rain showers. Cloudy, with a low around 49. East southeast wind around 6 mph. Chance of precipitation is 50%. New rainfall amounts between a quarter and half of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 49°F | Chance Rain Showers | 6 mph ESE | 48% |
| Saturday | 62°F | Chance Rain Showers | 8 mph E | 40% |
| Saturday Night | 46°F | Chance Rain Showers then Patchy Fog | 2 to 6 mph NE | 36% |
| Sunday | 66°F | Partly Sunny | 6 to 10 mph NE | 1% |
| Sunday Night | 40°F | Mostly Cloudy | 6 to 9 mph NE | 0% |
| Monday | 62°F | Partly Sunny | 7 mph ENE | 1% |
| Monday Night | 36°F | Partly Cloudy | 5 mph ENE | 1% |
| Tuesday | 64°F | Patchy Frost then Mostly Sunny | 2 to 7 mph ENE | 1% |
| Tuesday Night | 38°F | Mostly Clear then Patchy Fog | 1 to 5 mph E | 2% |
| Wednesday | 66°F | Mostly Sunny | 5 mph E | 2% |
| Wednesday Night | 42°F | Partly Cloudy then Patchy Fog | 0 to 3 mph E | 2% |
| Thursday | 69°F | Patchy Fog then Mostly Sunny | 0 to 3 mph S | 4% |
| Thursday Night | 44°F | Partly Cloudy | 2 mph W | 7% |
| Friday | 71°F | Mostly Sunny | 0 to 3 mph NNW | 5% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Rhinelander, WI
Last spring frost
May 23
First fall frost
Sep 23
Growing season
124 days
Hardiness zone
4b
Explore more for Rhinelander, WI: full frost dates · planting calendar · Wisconsin frost dates
Climate data from the nearest NOAA station, Rhinelander 4Ne, Wi (2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.