Seneca, KS Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Seneca, a city in Nemaha County, Kansas.
Overnight
43°F
Cloudy
Cloudy, with a low around 43. Northwest wind around 5 mph.
7-day forecast for Seneca
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 43°F | Cloudy | 5 mph NW | 1% |
| Wednesday | 55°F | Mostly Cloudy | 5 to 10 mph W | 1% |
| Wednesday Night | 39°F | Mostly Clear | 0 to 5 mph W | 1% |
| Thursday | 55°F | Partly Sunny | 5 to 10 mph NW | 7% |
| Thursday Night | 39°F | Mostly Cloudy | 0 to 5 mph N | 0% |
| Friday | 54°F | Partly Sunny | 0 to 5 mph N | 1% |
| Friday Night | 34°F | Mostly Cloudy | 0 mph | 0% |
| Saturday | 58°F | Mostly Sunny | 0 mph | 0% |
| Saturday Night | 37°F | Mostly Clear | 0 mph | 0% |
| Sunday | 64°F | Sunny | 0 to 5 mph W | 0% |
| Sunday Night | 41°F | Clear | 0 to 5 mph SW | 0% |
| Monday | 69°F | Sunny | 5 mph SW | 0% |
| Monday Night | 44°F | Mostly Clear | 0 to 5 mph W | 0% |
| Tuesday | 69°F | Sunny | 0 to 5 mph NE | 0% |
Forecast source: National Weather Service (api.weather.gov) for Seneca (39.838, -96.070). Updated through the day.
Growing snapshot for Seneca
Last spring frost
Apr 22
First fall frost
Oct 13
Growing season
173 days
Hardiness zone
6a
More local growing data for Seneca: nearby ZIP 66538 weather · frost dates · planting calendar · Kansas frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Baileyville, Ks (7.5 mi from Seneca). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.