Jennings, MO Weather & Growing Conditions
Tonight
75°F
Slight Chance Showers And Thunderstorms then Mostly Clear
A slight chance of showers and thunderstorms before 10pm. Mostly clear, with a low around 75. Southeast wind around 5 mph. Chance of precipitation is 20%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 75°F | Slight Chance Showers And Thunderstorms then Mostly Clear | 5 mph SE | 18% |
| Saturday | 99°F | Mostly Sunny | 5 to 8 mph SW | 6% |
| Saturday Night | 76°F | Partly Cloudy | 6 mph SW | 3% |
| Sunday | 94°F | Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms | 3 to 7 mph W | 24% |
| Sunday Night | 69°F | Slight Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 8 mph N | 63% |
| Monday | 81°F | Rain Showers Likely | 9 mph N | 72% |
| Monday Night | 62°F | Showers And Thunderstorms Likely then Slight Chance Showers And Thunderstorms | 7 to 10 mph N | 72% |
| Tuesday | 73°F | Slight Chance Rain Showers then Mostly Cloudy | 12 mph N | 23% |
| Tuesday Night | 57°F | Mostly Cloudy | 6 to 12 mph N | 6% |
| Wednesday | 76°F | Mostly Sunny | 9 mph N | 2% |
| Wednesday Night | 57°F | Partly Cloudy | 3 to 8 mph N | 1% |
| Thursday | 76°F | Mostly Sunny | 5 to 8 mph N | 4% |
| Thursday Night | 60°F | Partly Cloudy | 3 to 8 mph NE | 3% |
| Friday | 77°F | Mostly Sunny | 7 mph N | 6% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Jennings, MO
Last spring frost
Apr 2
First fall frost
Nov 4
Growing season
215 days
Hardiness zone
7a
Explore more for Jennings, MO: full frost dates · planting calendar · Missouri frost dates
Climate data from the nearest NOAA station, St Louis Lambert Intl Ap, Mo (6.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.