Fairwater, WI Weather & Growing Conditions
Tonight
55°F
Showers And Thunderstorms
Rain showers before 10pm, then showers and thunderstorms. Some of the storms could produce heavy rain. Cloudy, with a low around 55. East wind 10 to 15 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 55°F | Showers And Thunderstorms | 10 to 15 mph E | 95% |
| Saturday | 67°F | Showers And Thunderstorms | 10 to 15 mph E | 93% |
| Saturday Night | 54°F | Showers And Thunderstorms | 10 to 15 mph NE | 76% |
| Sunday | 66°F | Chance Rain Showers | 15 mph NE | 31% |
| Sunday Night | 49°F | Mostly Cloudy | 15 mph NE | 4% |
| Monday | 61°F | Mostly Cloudy | 10 to 15 mph NE | 10% |
| Monday Night | 46°F | Mostly Cloudy | 10 to 15 mph NE | 12% |
| Tuesday | 61°F | Partly Sunny | 10 to 15 mph NE | 12% |
| Tuesday Night | 45°F | Partly Cloudy | 5 to 10 mph NE | 7% |
| Wednesday | 64°F | Mostly Sunny | 5 to 10 mph NE | 5% |
| Wednesday Night | 47°F | Partly Cloudy | 0 to 5 mph NE | 2% |
| Thursday | 68°F | Mostly Sunny | 0 to 5 mph NE | 3% |
| Thursday Night | 49°F | Partly Cloudy | 0 to 5 mph NE | 6% |
| Friday | 69°F | Mostly Sunny | 0 to 5 mph N | 3% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Fairwater, WI
Last spring frost
May 8
First fall frost
Oct 2
Growing season
144 days
Hardiness zone
5a
Explore more for Fairwater, WI: full frost dates · planting calendar · Wisconsin frost dates
Climate data from the nearest NOAA station, Markesan, Wi (7.1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.