Gresham, WI Weather & Growing Conditions
Today
81°F
Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms
A slight chance of rain showers between 11am and 1pm, then a slight chance of showers and thunderstorms between 1pm and 2pm, then a chance of showers and thunderstorms between 2pm and 4pm, then a slight chance of showers and thunderstorms. Mostly cloudy. High near 81, with temperatures falling to around 79 in the afternoon. Heat index values as high as 82. Southwest wind 7 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 30%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 81°F | Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms | 7 to 10 mph SW | 30% |
| Tonight | 57°F | Slight Chance Showers And Thunderstorms | 2 to 6 mph NW | 20% |
| Wednesday | 80°F | Mostly Sunny | 1 to 5 mph SSE | 5% |
| Wednesday Night | 54°F | Partly Cloudy | 0 to 3 mph NNW | 2% |
| Thursday | 83°F | Patchy Fog then Sunny | 0 to 6 mph WNW | 0% |
| Thursday Night | 59°F | Mostly Clear | 5 mph SSW | 0% |
| Friday | 86°F | Sunny | 2 to 10 mph SW | 3% |
| Friday Night | 63°F | Slight Chance Showers And Thunderstorms | 5 to 9 mph SW | 23% |
| Saturday | 86°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 5 to 9 mph WSW | 15% |
| Saturday Night | 63°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 2 to 8 mph SW | 38% |
| Sunday | 85°F | Chance Showers And Thunderstorms | 2 to 8 mph W | 38% |
| Sunday Night | 60°F | Chance Showers And Thunderstorms | 1 to 7 mph NW | 34% |
| Monday | 82°F | Chance Showers And Thunderstorms | 2 to 6 mph SSE | 31% |
| Monday Night | 60°F | Chance Showers And Thunderstorms | 5 mph N | 32% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Gresham, WI
Last spring frost
May 13
First fall frost
Sep 30
Growing season
141 days
Hardiness zone
5a
Explore more for Gresham, WI: full frost dates · planting calendar · Wisconsin frost dates
Climate data from the nearest NOAA station, Stockbridge-Munsee Rsvn, Wi (4.7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.