Roscoe, MO Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Roscoe, a village in St. Clair County, Missouri.
Tonight
75°F
Mostly Clear
Mostly clear. Low around 75, with temperatures rising to around 77 overnight. South wind around 6 mph.
7-day forecast for Roscoe
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 75°F | Mostly Clear | 6 mph S | 1% |
| Saturday | 99°F | Sunny | 6 to 12 mph SW | 1% |
| Saturday Night | 71°F | Partly Cloudy then Slight Chance Showers And Thunderstorms | 2 to 8 mph SW | 26% |
| Sunday | 91°F | Chance Showers And Thunderstorms | 2 to 6 mph W | 45% |
| Sunday Night | 66°F | Showers And Thunderstorms | 3 mph N | 80% |
| Monday | 80°F | Showers And Thunderstorms Likely | 2 to 9 mph N | 73% |
| Monday Night | 59°F | Slight Chance Rain Showers then Mostly Cloudy | 3 to 9 mph N | 17% |
| Tuesday | 74°F | Partly Sunny | 8 mph N | 6% |
| Tuesday Night | 54°F | Partly Cloudy | 2 to 8 mph NE | 2% |
| Wednesday | 77°F | Mostly Sunny | 6 mph NE | 1% |
| Wednesday Night | 55°F | Mostly Clear | 5 mph NE | 2% |
| Thursday | 79°F | Mostly Sunny | 5 mph NE | 6% |
| Thursday Night | 59°F | Partly Cloudy | 5 mph E | 7% |
| Friday | 79°F | Mostly Sunny | 2 to 6 mph E | 8% |
Forecast source: National Weather Service (api.weather.gov) for Roscoe (37.977, -93.817). Updated through the day.
Growing snapshot for Roscoe
Last spring frost
Apr 16
First fall frost
Oct 24
Growing season
189 days
Hardiness zone
6b
More local growing data for Roscoe: nearby ZIP 64781 weather · frost dates · planting calendar · Missouri frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Osceola, Mo (8 mi from Roscoe). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.