Seneca, KS Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Seneca, a city in Nemaha County, Kansas.
Today
87°F
Partly Sunny then Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 87. East wind around 5 mph. Chance of precipitation is 20%.
7-day forecast for Seneca
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 87°F | Partly Sunny then Slight Chance Showers And Thunderstorms | 5 mph E | 16% |
| Tonight | 65°F | Chance Showers And Thunderstorms | 5 to 10 mph NE | 35% |
| Wednesday | 75°F | Chance Showers And Thunderstorms | 5 to 10 mph NE | 55% |
| Wednesday Night | 61°F | Chance Showers And Thunderstorms | 0 to 10 mph NE | 38% |
| Thursday | 82°F | Chance Showers And Thunderstorms then Mostly Sunny | 0 to 5 mph E | 27% |
| Thursday Night | 64°F | Chance Showers And Thunderstorms | 0 to 5 mph SE | 29% |
| Friday | 87°F | Chance Showers And Thunderstorms then Mostly Sunny | 0 to 5 mph S | 27% |
| Friday Night | 69°F | Clear | 5 mph S | 5% |
| Saturday | 91°F | Sunny | 5 to 10 mph S | 3% |
| Saturday Night | 73°F | Mostly Clear | 10 mph S | 1% |
| Sunday | 93°F | Sunny | 10 mph S | 4% |
| Sunday Night | 74°F | Mostly Clear | 10 mph S | 2% |
| Monday | 94°F | Mostly Sunny | 10 to 15 mph S | 2% |
| Monday Night | 74°F | Mostly Clear | 10 to 15 mph S | 7% |
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 Aug 4, 2026.