Harman US

Mazomanie, WI Weather & Growing Conditions

Overnight
56°F
Cloudy
Cloudy, with a low around 56. South wind around 10 mph. New rainfall amounts less than a tenth of an inch possible.

7-day forecast

WhenTempForecastWindPrecip
Overnight 56°F Cloudy 10 mph S 11%
Wednesday 59°F Cloudy then Isolated Rain Showers 10 to 15 mph SW 14%
Wednesday Night 45°F Rain Showers Likely 10 to 15 mph SW 55%
Thursday 53°F Rain Showers Likely then Chance Light Rain 10 mph W 58%
Thursday Night 37°F Mostly Cloudy 10 mph N 9%
Friday 48°F Partly Sunny 5 to 10 mph N 2%
Friday Night 29°F Mostly Clear 0 mph 0%
Saturday 50°F Sunny 0 to 5 mph NW 0%
Saturday Night 33°F Mostly Clear 0 to 5 mph W 2%
Sunday 56°F Sunny 5 to 10 mph W 5%
Sunday Night 34°F Mostly Clear 0 to 5 mph W 1%
Monday 61°F Mostly Sunny 0 to 10 mph SW 0%
Monday Night 39°F Mostly Clear 0 to 5 mph W 0%
Tuesday 60°F Sunny 0 to 5 mph NW 0%

Forecast source: National Weather Service (api.weather.gov). Updated through the day.

Growing snapshot for Mazomanie, WI

Last spring frost
May 7
First fall frost
Oct 1
Growing season
148 days
Hardiness zone
5a

Explore more for Mazomanie, WI: full frost dates · planting calendar · Wisconsin frost dates

Climate data from the nearest NOAA station, Mazomanie Wwtp, Wi (4.4 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.