Mason, WI Weather & Growing Conditions
Today
62°F
Cloudy
Cloudy, with a high near 62. Northeast wind around 5 mph. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 62°F | Cloudy | 5 mph NE | 14% |
| Tonight | 48°F | Mostly Cloudy then Patchy Fog | 0 to 5 mph NE | 7% |
| Sunday | 61°F | Mostly Cloudy | 5 to 15 mph NE | 8% |
| Sunday Night | 39°F | Mostly Cloudy | 0 to 10 mph NE | 0% |
| Monday | 61°F | Partly Sunny | 0 to 10 mph NE | 0% |
| Monday Night | 37°F | Partly Cloudy | 0 to 10 mph E | 0% |
| Tuesday | 67°F | Sunny | 0 to 10 mph E | 0% |
| Tuesday Night | 36°F | Mostly Clear | 0 to 5 mph SE | 0% |
| Wednesday | 70°F | Sunny | 0 to 5 mph E | 0% |
| Wednesday Night | 40°F | Mostly Clear | 0 to 5 mph SE | 1% |
| Thursday | 71°F | Mostly Sunny | 0 to 5 mph E | 2% |
| Thursday Night | 43°F | Partly Cloudy | 0 to 5 mph S | 2% |
| Friday | 74°F | Mostly Sunny | 0 to 5 mph S | 2% |
| Friday Night | 46°F | Partly Cloudy | 0 to 5 mph SE | 6% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Mason, WI
Last spring frost
May 20
First fall frost
Oct 1
Growing season
132 days
Hardiness zone
4b
Explore more for Mason, WI: full frost dates · planting calendar · Wisconsin frost dates
Climate data from the nearest NOAA station, Drummond, Wi (10.1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.