Greentop, MO Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Greentop, a city in Adair County, Missouri.
Today
90°F
Mostly Sunny
Mostly sunny, with a high near 90. South southwest wind 3 to 7 mph.
7-day forecast for Greentop
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 90°F | Mostly Sunny | 3 to 7 mph SSW | 12% |
| Tonight | 67°F | Chance Showers And Thunderstorms | 5 mph ENE | 42% |
| Wednesday | 81°F | Showers And Thunderstorms Likely | 7 mph ENE | 69% |
| Wednesday Night | 63°F | Showers And Thunderstorms Likely | 3 to 7 mph NNE | 68% |
| Thursday | 82°F | Showers And Thunderstorms Likely then Mostly Sunny | 3 mph NE | 68% |
| Thursday Night | 63°F | Mostly Clear | 0 to 3 mph ESE | 3% |
| Friday | 86°F | Mostly Sunny | 3 mph S | 7% |
| Friday Night | 67°F | Slight Chance Showers And Thunderstorms | 3 mph S | 17% |
| Saturday | 89°F | Sunny | 3 to 8 mph SSW | 14% |
| Saturday Night | 71°F | Mostly Clear | 7 to 12 mph SSW | 8% |
| Sunday | 91°F | Sunny | 10 to 15 mph SSW | 8% |
| Sunday Night | 71°F | Partly Cloudy | 9 to 15 mph SSW | 13% |
| Monday | 91°F | Mostly Sunny | 10 to 15 mph SSW | 13% |
| Monday Night | 72°F | Partly Cloudy then Slight Chance Showers And Thunderstorms | 10 to 15 mph SSW | 22% |
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 Aug 4, 2026.