Seneca, WI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Seneca, a community in Crawford County, Wisconsin.
This Afternoon
67°F
Rain Showers
Rain showers. Cloudy. High near 67, with temperatures falling to around 63 in the afternoon. South wind around 10 mph, with gusts as high as 22 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Seneca
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 67°F | Rain Showers | 10 mph S | 87% |
| Tonight | 52°F | Rain Showers | 12 mph S | 90% |
| Wednesday | 56°F | Rain Showers | 9 to 15 mph S | 75% |
| Wednesday Night | 45°F | Rain Showers | 12 to 15 mph SW | 77% |
| Thursday | 50°F | Rain Showers | 12 mph NW | 80% |
| Thursday Night | 38°F | Slight Chance Rain Showers then Mostly Cloudy | 8 to 13 mph N | 16% |
| Friday | 49°F | Partly Sunny | 3 to 9 mph N | 2% |
| Friday Night | 31°F | Partly Cloudy | 2 mph NW | 1% |
| Saturday | 52°F | Mostly Sunny | 1 to 6 mph W | 1% |
| Saturday Night | 34°F | Mostly Clear | 5 mph W | 5% |
| Sunday | 58°F | Sunny | 5 to 9 mph W | 14% |
| Sunday Night | 35°F | Mostly Clear | 5 mph SW | 5% |
| Monday | 61°F | Mostly Sunny | 5 to 10 mph SW | 1% |
| Monday Night | 39°F | Mostly Clear | 7 mph W | 1% |
Forecast source: National Weather Service (api.weather.gov) for Seneca (43.266, -90.957). Updated through the day.
Growing snapshot for Seneca
Last spring frost
May 3
First fall frost
Oct 7
Growing season
156 days
Hardiness zone
5a
More local growing data for Seneca: nearby ZIP 54654 weather · frost dates · planting calendar · Wisconsin frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Gays Mills, Wi (6.2 mi from Seneca). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.