Seymour, WI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Seymour, a city in Outagamie County, Wisconsin.
Overnight
59°F
Rain Showers
Rain showers and patchy fog. Cloudy. Low around 59, with temperatures rising to around 61 overnight. South southeast wind around 9 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Seymour
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 59°F | Rain Showers | 9 mph SSE | 88% |
| Wednesday | 64°F | Rain Showers | 9 to 13 mph S | 79% |
| Wednesday Night | 46°F | Rain Showers Likely | 8 to 13 mph SW | 58% |
| Thursday | 54°F | Rain Showers Likely | 8 to 13 mph WNW | 73% |
| Thursday Night | 34°F | Mostly Cloudy | 14 mph N | 10% |
| Friday | 46°F | Slight Chance Rain Showers then Partly Sunny | 5 to 14 mph N | 20% |
| Friday Night | 28°F | Partly Cloudy | 3 mph NNW | 0% |
| Saturday | 49°F | Sunny | 5 mph WNW | 0% |
| Saturday Night | 31°F | Mostly Clear | 2 to 7 mph W | 5% |
| Sunday | 55°F | Sunny | 7 to 10 mph W | 8% |
| Sunday Night | 32°F | Mostly Clear | 6 mph W | 0% |
| Monday | 57°F | Mostly Sunny | 3 to 10 mph WSW | 0% |
| Monday Night | 37°F | Partly Cloudy | 8 mph W | 1% |
| Tuesday | 57°F | Mostly Sunny then Slight Chance Rain Showers | 5 to 8 mph WNW | 15% |
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
Bear Creek
Black Creek
Combined Locks
Dale
Fox Crossing
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 Nov 4, 2026.