Mason, WI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Mason, a village in Bayfield County, Wisconsin.
This Afternoon
64°F
Mostly Cloudy
Mostly cloudy. High near 64, with temperatures falling to around 61 in the afternoon. Northeast wind around 5 mph.
7-day forecast for Mason
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 64°F | Mostly Cloudy | 5 mph NE | 5% |
| Tonight | 48°F | Mostly Cloudy | 0 to 5 mph N | 13% |
| Sunday | 62°F | Mostly Cloudy | 5 to 15 mph NE | 14% |
| Sunday Night | 40°F | Mostly Cloudy | 0 to 10 mph NE | 4% |
| Monday | 61°F | Partly Sunny | 0 to 10 mph NE | 0% |
| Monday Night | 31°F | Partly Cloudy then Areas Of Frost | 0 to 10 mph NE | 0% |
| Tuesday | 66°F | Widespread Frost then Sunny | 0 to 10 mph NE | 0% |
| Tuesday Night | 36°F | Mostly Clear | 0 to 5 mph E | 0% |
| Wednesday | 69°F | Sunny | 0 to 5 mph E | 0% |
| Wednesday Night | 42°F | Mostly Clear | 0 to 5 mph E | 1% |
| Thursday | 71°F | Mostly Sunny then Slight Chance Rain Showers | 0 to 5 mph SE | 15% |
| Thursday Night | 46°F | Slight Chance Rain Showers then Mostly Cloudy | 0 to 5 mph E | 15% |
| Friday | 75°F | Partly Sunny | 0 to 5 mph E | 4% |
| Friday Night | 48°F | Partly Cloudy | 0 to 5 mph SE | 3% |
Forecast source: National Weather Service (api.weather.gov) for Mason (46.436, -91.060). Updated through the day.
Growing snapshot for Mason
Last spring frost
May 20
First fall frost
Oct 1
Growing season
132 days
Hardiness zone
4b
More local growing data for Mason: nearby ZIP 54856 weather · frost dates · planting calendar · Wisconsin frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Drummond, Wi (10.1 mi from Mason). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.