Jennings, KS Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Jennings, a city in Decatur County, Kansas.
This Afternoon
79°F
Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms before 2pm, then a chance of showers and thunderstorms between 2pm and 4pm, then a slight chance of showers and thunderstorms. Partly sunny, with a high near 79. Northeast wind around 10 mph. Chance of precipitation is 30%.
7-day forecast for Jennings
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 79°F | Slight Chance Showers And Thunderstorms | 10 mph NE | 32% |
| Tonight | 61°F | Chance Showers And Thunderstorms then Showers And Thunderstorms | 10 mph NE | 75% |
| Sunday | 70°F | Chance Rain Showers then Mostly Cloudy | 5 to 10 mph NE | 26% |
| Sunday Night | 57°F | Mostly Cloudy then Slight Chance Rain Showers | 5 to 10 mph NE | 17% |
| Monday | 70°F | Slight Chance Rain Showers then Mostly Sunny | 5 mph N | 17% |
| Monday Night | 53°F | Partly Cloudy | 5 to 10 mph E | 9% |
| Tuesday | 67°F | Mostly Cloudy | 5 to 10 mph SE | 9% |
| Tuesday Night | 54°F | Mostly Cloudy then Slight Chance Rain Showers | 10 mph SE | 20% |
| Wednesday | 73°F | Slight Chance Rain Showers then Mostly Cloudy | 15 mph SE | 20% |
| Wednesday Night | 59°F | Chance Showers And Thunderstorms | 10 to 15 mph SE | 48% |
| Thursday | 75°F | Chance Showers And Thunderstorms | 10 mph S | 48% |
| Thursday Night | 60°F | Chance Showers And Thunderstorms | 5 to 10 mph SE | 29% |
| Friday | 75°F | Chance Rain Showers | 5 to 10 mph SE | 29% |
| Friday Night | 61°F | Chance Rain Showers | 10 mph SE | 46% |
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 19, 2026.