Harris, MO Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Harris, a town in Sullivan County, Missouri.
Tonight
43°F
Mostly Cloudy
Mostly cloudy, with a low around 43. West wind around 9 mph.
7-day forecast for Harris
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 43°F | Mostly Cloudy | 9 mph W | 7% |
| Thursday | 52°F | Slight Chance Light Rain | 7 to 12 mph WNW | 19% |
| Thursday Night | 40°F | Cloudy | 6 mph N | 8% |
| Friday | 48°F | Partly Sunny | 3 to 8 mph N | 4% |
| Friday Night | 29°F | Partly Cloudy | 2 mph NNE | 0% |
| Saturday | 52°F | Mostly Sunny | 0 to 3 mph W | 0% |
| Saturday Night | 32°F | Mostly Clear | 1 mph WSW | 0% |
| Sunday | 60°F | Sunny | 1 to 5 mph W | 0% |
| Sunday Night | 36°F | Clear | 2 mph WSW | 0% |
| Monday | 64°F | Sunny | 2 to 10 mph SW | 0% |
| Monday Night | 40°F | Clear | 1 to 5 mph WSW | 0% |
| Tuesday | 64°F | Sunny | 5 mph NW | 2% |
| Tuesday Night | 42°F | Partly Cloudy | 1 mph NNE | 2% |
| Veterans Day | 64°F | Mostly Sunny | 1 to 5 mph ENE | 1% |
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 5, 2026.