Greentop, MO Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Greentop, a city in Adair County, Missouri.
Tonight
48°F
Patchy Drizzle
Patchy drizzle. Cloudy, with a low around 48. West wind around 10 mph, with gusts as high as 20 mph.
7-day forecast for Greentop
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 48°F | Patchy Drizzle | 10 mph W | 14% |
| Wednesday | 54°F | Patchy Drizzle then Cloudy | 12 to 16 mph W | 16% |
| Wednesday Night | 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 | 5% |
| 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 | Mostly Clear | 5 mph WSW | 0% |
| Tuesday | 64°F | Sunny | 3 mph NW | 0% |
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.