Greentop, MO Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Greentop, a city in Adair County, Missouri.
Today
54°F
Patchy Drizzle then Cloudy
Patchy drizzle before 9am. Cloudy, with a high near 54. West southwest wind 12 to 16 mph, with gusts as high as 24 mph.
7-day forecast for Greentop
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 54°F | Patchy Drizzle then Cloudy | 12 to 16 mph WSW | 13% |
| Tonight | 43°F | Mostly Cloudy | 9 mph WSW | 2% |
| Thursday | 54°F | Mostly Cloudy then Slight Chance Rain Showers | 7 to 10 mph WNW | 18% |
| Thursday Night | 42°F | Slight Chance Rain Showers then Mostly Cloudy | 7 mph NNW | 20% |
| Friday | 50°F | Partly Sunny | 5 to 8 mph N | 3% |
| Friday Night | 31°F | Partly Cloudy | 0 to 3 mph NNE | 0% |
| Saturday | 52°F | Mostly Sunny | 2 mph NW | 0% |
| Saturday Night | 34°F | Mostly Clear | 2 mph W | 3% |
| Sunday | 59°F | Sunny | 5 mph W | 1% |
| Sunday Night | 36°F | Clear | 2 mph WSW | 0% |
| Monday | 64°F | Sunny | 2 to 8 mph SW | 0% |
| Monday Night | 41°F | Clear | 5 mph WSW | 0% |
| Tuesday | 65°F | Sunny | 3 mph NW | 0% |
| Tuesday Night | 43°F | Partly Cloudy | 2 mph ENE | 1% |
Forecast source: National Weather Service (api.weather.gov) for Greentop (40.351, -92.566). Updated through the day.
Growing snapshot for Greentop
Last spring frost
Apr 21
First fall frost
Oct 19
Growing season
179 days
Hardiness zone
6a
More local growing data for Greentop: nearby ZIP 63546 weather · frost dates · planting calendar · Missouri frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Kirksville, Mo (9.9 mi from Greentop). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.