Seymour, MO Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Seymour, a city in Webster County, Missouri.
This Afternoon
69°F
Patchy Drizzle
Patchy drizzle after 5pm. Mostly cloudy. High near 69, with temperatures falling to around 61 in the afternoon. Southwest wind 12 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Seymour
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 69°F | Patchy Drizzle | 12 to 15 mph SW | 19% |
| Tonight | 47°F | Areas Of Drizzle | 13 mph W | 25% |
| Wednesday | 59°F | Patchy Drizzle then Partly Sunny | 7 to 14 mph W | 16% |
| Wednesday Night | 40°F | Clear | 6 mph W | 0% |
| Thursday | 65°F | Sunny then Chance Rain Showers | 8 mph W | 30% |
| Thursday Night | 41°F | Chance Rain Showers then Mostly Cloudy | 8 mph NW | 31% |
| Friday | 57°F | Partly Sunny | 9 mph N | 1% |
| Friday Night | 38°F | Partly Cloudy | 2 to 6 mph N | 0% |
| Saturday | 57°F | Partly Sunny | 5 mph NW | 1% |
| Saturday Night | 36°F | Partly Cloudy | 3 mph NW | 5% |
| Sunday | 61°F | Sunny | 3 to 7 mph NW | 7% |
| Sunday Night | 36°F | Mostly Clear | 5 mph W | 1% |
| Monday | 66°F | Sunny | 5 to 9 mph SW | 1% |
| Monday Night | 41°F | Mostly Clear | 6 mph SW | 1% |
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 Nov 4, 2026.