Rhinelander, WI Weather & Growing Conditions
Today
78°F
Showers And Thunderstorms then Slight Chance Showers And Thunderstorms
Showers and thunderstorms before noon, then a slight chance of showers and thunderstorms between noon and 1pm. Mostly cloudy, with a high near 78. Heat index values as high as 78. West wind 6 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 80%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 78°F | Showers And Thunderstorms then Slight Chance Showers And Thunderstorms | 6 to 10 mph W | 76% |
| Tonight | 53°F | Mostly Cloudy | 0 to 6 mph NW | 9% |
| Wednesday | 77°F | Mostly Sunny | 0 to 5 mph NW | 1% |
| Wednesday Night | 51°F | Partly Cloudy then Patchy Fog | 0 to 3 mph WSW | 0% |
| Thursday | 82°F | Patchy Fog then Sunny | 1 to 9 mph SW | 1% |
| Thursday Night | 58°F | Mostly Clear | 7 mph SSW | 1% |
| Friday | 84°F | Sunny | 5 to 12 mph SW | 12% |
| Friday Night | 60°F | Chance Showers And Thunderstorms | 3 to 8 mph SW | 37% |
| Saturday | 82°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 3 to 8 mph SW | 21% |
| Saturday Night | 59°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 1 to 6 mph WSW | 48% |
| Sunday | 81°F | Chance Showers And Thunderstorms | 2 to 8 mph W | 46% |
| Sunday Night | 57°F | Chance Showers And Thunderstorms | 0 to 7 mph NNW | 28% |
| Monday | 80°F | Patchy Fog then Chance Showers And Thunderstorms | 1 to 6 mph NNW | 27% |
| Monday Night | 57°F | Chance Showers And Thunderstorms | 1 to 6 mph N | 27% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Rhinelander, WI
Last spring frost
May 13
First fall frost
Oct 3
Growing season
141 days
Hardiness zone
4a
Explore more for Rhinelander, WI: full frost dates · planting calendar · Wisconsin frost dates
Climate data from the nearest NOAA station, Willow Rsvr, Wi (9 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.