Hartwell, MO Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Hartwell, a community in Henry County, Missouri.
Overnight
48°F
Patchy Drizzle
Patchy drizzle before 3am. Cloudy, with a low around 48. West northwest wind around 8 mph.
7-day forecast for Hartwell
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 48°F | Patchy Drizzle | 8 mph WNW | 11% |
| Wednesday | 61°F | Mostly Cloudy | 7 to 12 mph W | 0% |
| Wednesday Night | 40°F | Clear | 1 to 5 mph WSW | 0% |
| Thursday | 61°F | Sunny | 2 to 7 mph WNW | 0% |
| Thursday Night | 44°F | Mostly Cloudy | 3 mph NNW | 6% |
| Friday | 58°F | Partly Sunny | 3 to 7 mph N | 0% |
| Friday Night | 36°F | Mostly Cloudy | 2 mph NNE | 0% |
| Saturday | 57°F | Mostly Sunny | 2 mph N | 0% |
| Saturday Night | 36°F | Mostly Clear | 0 mph | 0% |
| Sunday | 63°F | Sunny | 0 to 3 mph NW | 0% |
| Sunday Night | 37°F | Clear | 0 mph | 0% |
| Monday | 68°F | Sunny | 0 to 8 mph SSW | 0% |
| Monday Night | 42°F | Clear | 2 mph SW | 0% |
| Tuesday | 70°F | Sunny | 1 to 5 mph W | 0% |
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 Nov 4, 2026.