Greentop, MO Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Greentop, a city in Adair County, Missouri.
Tonight
72°F
Partly Cloudy
Partly cloudy, with a low around 72. South southeast wind around 7 mph.
7-day forecast for Greentop
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 72°F | Partly Cloudy | 7 mph SSE | 10% |
| Saturday | 87°F | Partly Sunny | 6 to 9 mph SW | 13% |
| Saturday Night | 65°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 3 mph NW | 70% |
| Sunday | 75°F | Showers And Thunderstorms Likely | 3 to 9 mph N | 56% |
| Sunday Night | 58°F | Showers And Thunderstorms Likely | 10 mph NE | 57% |
| Monday | 64°F | Showers And Thunderstorms Likely | 10 mph NE | 64% |
| Monday Night | 52°F | Chance Rain Showers | 9 mph NNE | 50% |
| Tuesday | 61°F | Slight Chance Rain Showers | 9 mph NNE | 18% |
| Tuesday Night | 47°F | Mostly Cloudy | 3 to 7 mph NE | 5% |
| Wednesday | 66°F | Mostly Sunny | 6 mph NE | 1% |
| Wednesday Night | 51°F | Partly Cloudy | 3 mph NE | 3% |
| Thursday | 67°F | Partly Sunny | 3 mph ENE | 7% |
| Thursday Night | 54°F | Mostly Cloudy | 2 mph ENE | 6% |
| Friday | 69°F | Mostly Sunny | 5 mph ENE | 10% |
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 Sep 19, 2026.