Seneca, KS Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Seneca, a city in Nemaha County, Kansas.
This Afternoon
63°F
Chance Drizzle
A chance of drizzle. Cloudy. High near 63, with temperatures falling to around 53 in the afternoon. Northwest wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 30%.
7-day forecast for Seneca
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 63°F | Chance Drizzle | 15 mph NW | 28% |
| Tonight | 43°F | Chance Drizzle then Cloudy | 5 to 15 mph NW | 25% |
| Wednesday | 56°F | Mostly Cloudy | 5 to 10 mph W | 1% |
| Wednesday Night | 39°F | Mostly Clear | 0 to 5 mph W | 4% |
| Thursday | 55°F | Partly Sunny then Slight Chance Rain Showers | 5 mph NW | 17% |
| Thursday Night | 38°F | Mostly Cloudy | 0 to 5 mph N | 1% |
| Friday | 56°F | Partly Sunny | 0 to 5 mph N | 0% |
| Friday Night | 36°F | Mostly Cloudy | 0 mph | 0% |
| Saturday | 62°F | Mostly Sunny | 0 to 5 mph SW | 4% |
| Saturday Night | 39°F | Mostly Clear | 0 mph | 5% |
| Sunday | 66°F | Sunny | 0 to 5 mph W | 2% |
| Sunday Night | 42°F | Mostly Clear | 0 to 5 mph SW | 0% |
| Monday | 70°F | Sunny | 5 to 10 mph SW | 0% |
| Monday Night | 43°F | Mostly Clear | 0 to 5 mph NW | 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.