Jennings, KS Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Jennings, a city in Decatur County, Kansas.
Overnight
61°F
Chance Rain Showers
A chance of rain showers before 5am, then patchy fog and a slight chance of rain showers. Cloudy, with a low around 61. Northeast wind around 10 mph. Chance of precipitation is 30%.
7-day forecast for Jennings
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 61°F | Chance Rain Showers | 10 mph NE | 29% |
| Sunday | 70°F | Chance Rain Showers then Mostly Cloudy | 5 to 10 mph NE | 29% |
| Sunday Night | 57°F | Mostly Cloudy | 0 to 5 mph NE | 10% |
| Monday | 73°F | Mostly Sunny | 0 to 5 mph N | 4% |
| Monday Night | 52°F | Mostly Cloudy then Slight Chance Rain Showers | 5 to 10 mph NE | 15% |
| Tuesday | 68°F | Slight Chance Rain Showers then Mostly Cloudy | 5 to 10 mph SE | 15% |
| Tuesday Night | 52°F | Mostly Cloudy | 10 to 15 mph SE | 7% |
| Wednesday | 72°F | Mostly Cloudy then Slight Chance Rain Showers | 15 mph SE | 22% |
| Wednesday Night | 57°F | Showers And Thunderstorms Likely | 10 to 15 mph S | 60% |
| Thursday | 76°F | Rain Showers Likely | 5 to 10 mph SE | 60% |
| Thursday Night | 57°F | Chance Rain Showers | 5 to 10 mph SE | 29% |
| Friday | 75°F | Chance Rain Showers | 5 to 10 mph E | 29% |
| Friday Night | 58°F | Chance Showers And Thunderstorms | 10 mph SE | 28% |
| Saturday | 78°F | Chance Rain Showers | 10 mph S | 28% |
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 Sep 20, 2026.