Hartwell, MO Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Hartwell, a community in Henry County, Missouri.
Today
94°F
Sunny
Sunny, with a high near 94. Heat index values as high as 99. South wind around 5 mph.
7-day forecast for Hartwell
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 94°F | Sunny | 5 mph S | 0% |
| Tonight | 73°F | Partly Cloudy | 3 mph SE | 9% |
| Wednesday | 93°F | Chance Showers And Thunderstorms | 2 to 6 mph S | 28% |
| Wednesday Night | 70°F | Chance Showers And Thunderstorms | 2 to 6 mph NE | 74% |
| Thursday | 90°F | Showers And Thunderstorms Likely then Slight Chance Showers And Thunderstorms | 3 mph E | 74% |
| Thursday Night | 70°F | Partly Cloudy then Chance Showers And Thunderstorms | 2 mph E | 39% |
| Friday | 91°F | Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms | 0 to 5 mph SW | 39% |
| Friday Night | 72°F | Mostly Clear then Slight Chance Showers And Thunderstorms | 3 mph S | 18% |
| Saturday | 93°F | Slight Chance Showers And Thunderstorms then Sunny | 2 to 7 mph SSW | 18% |
| Saturday Night | 74°F | Mostly Clear | 5 mph S | 4% |
| Sunday | 95°F | Sunny | 5 to 10 mph SSW | 1% |
| Sunday Night | 75°F | Mostly Clear | 8 mph S | 1% |
| Monday | 96°F | Sunny | 7 to 10 mph SSW | 1% |
| Monday Night | 76°F | Mostly Clear | 6 to 9 mph S | 1% |
Forecast source: National Weather Service (api.weather.gov) for Hartwell (38.431, -93.934). Updated through the day.
Growing snapshot for Hartwell
Last spring frost
Apr 17
First fall frost
Oct 21
Growing season
187 days
Hardiness zone
6b
More local growing data for Hartwell: nearby ZIP 64788 weather · frost dates · planting calendar · Missouri frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Clinton, Mo (13.6 mi from Hartwell). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.