Seymour, WI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Seymour, a city in Outagamie County, Wisconsin.
Today
83°F
Partly Sunny then Slight Chance Showers And Thunderstorms
A slight chance of rain showers between noon 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. Partly sunny. High near 83, with temperatures falling to around 80 in the afternoon. Heat index values as high as 85. Southwest wind 8 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Seymour
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 83°F | Partly Sunny then Slight Chance Showers And Thunderstorms | 8 to 13 mph SW | 28% |
| Tonight | 61°F | Chance Showers And Thunderstorms | 3 to 7 mph WNW | 48% |
| Wednesday | 79°F | Partly Sunny | 3 mph ESE | 12% |
| Wednesday Night | 56°F | Partly Cloudy then Patchy Fog | 3 mph SSE | 5% |
| Thursday | 81°F | Sunny | 1 to 5 mph SW | 2% |
| Thursday Night | 60°F | Mostly Clear | 5 mph SSW | 0% |
| Friday | 84°F | Sunny | 5 to 12 mph SW | 2% |
| Friday Night | 65°F | Mostly Clear | 7 to 10 mph SW | 12% |
| Saturday | 85°F | Mostly Sunny | 6 to 10 mph SW | 12% |
| Saturday Night | 66°F | Chance Showers And Thunderstorms | 5 to 8 mph SSW | 42% |
| Sunday | 85°F | Chance Showers And Thunderstorms | 5 to 10 mph WSW | 42% |
| Sunday Night | 63°F | Chance Showers And Thunderstorms | 3 to 8 mph WNW | 43% |
| Monday | 82°F | Chance Showers And Thunderstorms | 6 mph SSE | 33% |
| Monday Night | 62°F | Chance Showers And Thunderstorms | 6 mph NNW | 37% |
Forecast source: National Weather Service (api.weather.gov) for Seymour (44.514, -88.327). Updated through the day.
Growing snapshot for Seymour
Last spring frost
May 1
First fall frost
Oct 11
Growing season
160 days
Hardiness zone
5a
More local growing data for Seymour: nearby ZIP 54165 weather · frost dates · planting calendar · Wisconsin frost dates
Nearby towns & communities
Appleton
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Black Creek
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Dale
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Greenville
Hortonville
Kaukauna
Kimberly
Little Chute
Navarino
Nichols
Shiocton
Climate data from the nearest NOAA station, Green Bay Wfo, Wi (10.2 mi from Seymour). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.