Harris, MO Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Harris, a town in Sullivan County, Missouri.
Tonight
47°F
Patchy Drizzle
Patchy drizzle after 11pm. Cloudy, with a low around 47. West wind around 12 mph, with gusts as high as 20 mph.
7-day forecast for Harris
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 47°F | Patchy Drizzle | 12 mph W | 12% |
| Wednesday | 53°F | Patchy Drizzle then Mostly Cloudy | 10 to 15 mph W | 11% |
| Wednesday Night | 42°F | Mostly Cloudy | 8 mph W | 2% |
| Thursday | 53°F | Mostly Cloudy | 7 to 10 mph WNW | 8% |
| Thursday Night | 42°F | Mostly Cloudy | 6 mph NNW | 8% |
| Friday | 50°F | Partly Sunny | 3 to 8 mph N | 6% |
| Friday Night | 31°F | Partly Cloudy | 2 mph NNE | 2% |
| Saturday | 52°F | Mostly Sunny | 0 to 3 mph SW | 0% |
| Saturday Night | 34°F | Mostly Clear | 1 mph WNW | 0% |
| Sunday | 58°F | Sunny | 1 to 5 mph W | 0% |
| Sunday Night | 36°F | Mostly Clear | 1 mph SW | 0% |
| Monday | 64°F | Sunny | 1 to 8 mph SW | 0% |
| Monday Night | 41°F | Mostly Clear | 3 mph W | 0% |
| Tuesday | 64°F | Sunny | 1 to 5 mph NNW | 0% |
Forecast source: National Weather Service (api.weather.gov) for Harris (40.306, -93.350). Updated through the day.
Growing snapshot for Harris
Last spring frost
Apr 25
First fall frost
Oct 15
Growing season
174 days
Hardiness zone
6a
More local growing data for Harris: nearby ZIP 64645 weather · frost dates · planting calendar · Missouri frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Princeton, Mo (15.4 mi from Harris). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.