Rhinelander, WI Weather & Growing Conditions
Today
76°F
Slight Chance Showers And Thunderstorms then Mostly Cloudy
A slight chance of showers and thunderstorms before noon. Mostly cloudy, with a high near 76. Heat index values as high as 76. West northwest wind 5 to 8 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 76°F | Slight Chance Showers And Thunderstorms then Mostly Cloudy | 5 to 8 mph WNW | 23% |
| Tonight | 53°F | Mostly Cloudy then Patchy Fog | 0 to 5 mph N | 6% |
| Wednesday | 76°F | Patchy Fog then Mostly Sunny | 0 to 5 mph WNW | 3% |
| Wednesday Night | 51°F | Partly Cloudy | 3 mph SW | 0% |
| Thursday | 82°F | Sunny | 2 to 8 mph SW | 0% |
| Thursday Night | 58°F | Mostly Clear | 7 mph SSW | 1% |
| Friday | 82°F | Sunny then Chance Showers And Thunderstorms | 5 to 12 mph SW | 42% |
| Friday Night | 60°F | Chance Showers And Thunderstorms | 5 to 8 mph SW | 42% |
| Saturday | 81°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 3 to 7 mph WSW | 21% |
| Saturday Night | 60°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 1 to 6 mph WSW | 47% |
| Sunday | 80°F | Chance Showers And Thunderstorms | 2 to 7 mph W | 47% |
| Sunday Night | 57°F | Chance Showers And Thunderstorms | 0 to 6 mph NNW | 29% |
| Monday | 79°F | Patchy Fog then Chance Showers And Thunderstorms | 1 to 6 mph NW | 27% |
| Monday Night | 56°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 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 Aug 4, 2026.