Harrison, WI Weather & Growing Conditions
Today
62°F
Chance Rain Showers
A chance of rain showers after 10am. Mostly cloudy. High near 62, with temperatures falling to around 57 in the afternoon. South southwest wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 62°F | Chance Rain Showers | 15 mph SSW | 22% |
| Tonight | 47°F | Chance Rain Showers | 14 to 18 mph SW | 52% |
| Thursday | 53°F | Rain Showers Likely | 10 to 16 mph WNW | 83% |
| Thursday Night | 37°F | Mostly Cloudy | 20 mph N | 11% |
| Friday | 45°F | Slight Chance Rain Showers then Partly Sunny | 8 to 18 mph N | 21% |
| Friday Night | 31°F | Partly Cloudy | 7 mph N | 0% |
| Saturday | 48°F | Sunny | 6 mph NW | 0% |
| Saturday Night | 35°F | Mostly Clear | 5 to 12 mph W | 5% |
| Sunday | 53°F | Sunny | 13 mph W | 9% |
| Sunday Night | 36°F | Mostly Clear | 7 to 10 mph W | 0% |
| Monday | 56°F | Mostly Sunny | 7 to 13 mph WSW | 0% |
| Monday Night | 41°F | Partly Cloudy | 9 to 13 mph W | 1% |
| Tuesday | 55°F | Sunny | 7 to 10 mph WNW | 10% |
| Tuesday Night | 38°F | Slight Chance Rain Showers then Partly Cloudy | 6 mph NW | 15% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Harrison, WI
Last spring frost
May 4
First fall frost
Oct 6
Growing season
154 days
Hardiness zone
5b
Explore more for Harrison, WI: full frost dates · planting calendar · Wisconsin frost dates
Climate data from the nearest NOAA station, Appleton, Wi (7.1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.