Seymour, MO Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Seymour, a city in Webster County, Missouri.
Overnight
65°F
Mostly Clear
Mostly clear, with a low around 65. South wind around 8 mph.
7-day forecast for Seymour
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 65°F | Mostly Clear | 8 mph S | 0% |
| Tuesday | 89°F | Sunny | 3 to 8 mph S | 0% |
| Tuesday Night | 68°F | Mostly Clear | 5 to 8 mph SE | 0% |
| Wednesday | 91°F | Mostly Sunny then Slight Chance Rain Showers | 8 mph S | 15% |
| Wednesday Night | 70°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 6 to 9 mph SE | 38% |
| Thursday | 90°F | Chance Showers And Thunderstorms | 8 mph S | 42% |
| Thursday Night | 69°F | Chance Showers And Thunderstorms | 3 to 7 mph S | 50% |
| Friday | 86°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 6 mph SW | 59% |
| Friday Night | 68°F | Chance Showers And Thunderstorms | 5 mph S | 38% |
| Saturday | 88°F | Chance Showers And Thunderstorms | 6 mph S | 28% |
| Saturday Night | 69°F | Mostly Clear | 7 mph S | 12% |
| Sunday | 89°F | Sunny | 9 mph S | 3% |
| Sunday Night | 70°F | Mostly Clear | 8 mph S | 3% |
| Monday | 90°F | Sunny | 9 mph S | 3% |
Forecast source: National Weather Service (api.weather.gov) for Seymour (37.147, -92.769). Updated through the day.
Growing snapshot for Seymour
Last spring frost
Apr 23
First fall frost
Oct 17
Growing season
175 days
Hardiness zone
6b
More local growing data for Seymour: nearby ZIP 65746 weather · frost dates · planting calendar · Missouri frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Ava 6Nw, Mo (9.4 mi from Seymour). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.