Fairwater, WI Weather & Growing Conditions
Tonight
56°F
Light Rain
Rain. Cloudy. Low around 56, with temperatures rising to around 61 overnight. South wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 56°F | Light Rain | 15 mph S | 82% |
| Wednesday | 60°F | Slight Chance Light Rain | 15 mph S | 24% |
| Wednesday Night | 46°F | Chance Light Rain | 15 mph SW | 49% |
| Thursday | 52°F | Chance Light Rain | 10 to 15 mph W | 50% |
| Thursday Night | 36°F | Chance Light Rain then Mostly Cloudy | 10 to 15 mph N | 33% |
| Friday | 47°F | Slight Chance Light Rain then Partly Sunny | 5 to 15 mph N | 17% |
| Friday Night | 29°F | Partly Cloudy | 0 to 5 mph N | 2% |
| Saturday | 50°F | Mostly Sunny | 0 to 5 mph W | 0% |
| Saturday Night | 32°F | Partly Cloudy | 5 mph W | 9% |
| Sunday | 56°F | Slight Chance Light Rain | 5 to 10 mph W | 16% |
| Sunday Night | 33°F | Mostly Clear | 5 mph W | 3% |
| Monday | 59°F | Mostly Sunny | 5 to 15 mph SW | 2% |
| Monday Night | 37°F | Partly Cloudy | 10 mph W | 0% |
| Tuesday | 58°F | Sunny | 5 to 10 mph W | 1% |
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 Nov 4, 2026.