Jennings, KS Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Jennings, a city in Decatur County, Kansas.
Overnight
64°F
Mostly Cloudy
Mostly cloudy. Low around 64, with temperatures rising to around 74 overnight. Northeast wind around 15 mph.
7-day forecast for Jennings
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 64°F | Mostly Cloudy | 15 mph NE | 5% |
| Tuesday | 81°F | Partly Sunny then Slight Chance Rain Showers | 15 to 20 mph NE | 19% |
| Tuesday Night | 58°F | Mostly Cloudy then Slight Chance Showers And Thunderstorms | 5 to 15 mph NE | 26% |
| Wednesday | 79°F | Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms | 5 to 10 mph NE | 39% |
| Wednesday Night | 58°F | Partly Cloudy | 5 to 10 mph E | 7% |
| Thursday | 90°F | Mostly Sunny | 5 to 10 mph SE | 7% |
| Thursday Night | 63°F | Mostly Clear | 5 to 10 mph SE | 4% |
| Friday | 97°F | Sunny | 5 to 10 mph SE | 2% |
| Friday Night | 66°F | Clear | 5 to 10 mph SE | 4% |
| Saturday | 102°F | Sunny | 5 to 15 mph S | 0% |
| Saturday Night | 70°F | Mostly Clear | 15 mph S | 3% |
| Sunday | 103°F | Sunny | 10 to 15 mph S | 1% |
| Sunday Night | 72°F | Mostly Clear | 15 to 20 mph S | 5% |
| Monday | 103°F | Sunny | 15 mph S | 2% |
Forecast source: National Weather Service (api.weather.gov) for Jennings (39.681, -100.293). Updated through the day.
Growing snapshot for Jennings
Last spring frost
Apr 30
First fall frost
Oct 11
Growing season
163 days
Hardiness zone
6a
More local growing data for Jennings: nearby ZIP 67643 weather · frost dates · planting calendar · Kansas frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Oberlin, Ks (17.3 mi from Jennings). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.