Harris, MO Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Harris, a town in Sullivan County, Missouri.
Overnight
66°F
Partly Cloudy
Partly cloudy, with a low around 66. South southeast wind around 5 mph.
7-day forecast for Harris
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 66°F | Partly Cloudy | 5 mph SSE | 0% |
| Tuesday | 88°F | Mostly Sunny | 3 to 7 mph S | 12% |
| Tuesday Night | 67°F | Chance Showers And Thunderstorms | 2 to 7 mph NE | 47% |
| Wednesday | 79°F | Showers And Thunderstorms Likely | 8 mph NE | 70% |
| Wednesday Night | 63°F | Showers And Thunderstorms Likely | 3 to 8 mph NE | 67% |
| Thursday | 81°F | Showers And Thunderstorms Likely then Mostly Sunny | 5 mph ENE | 67% |
| Thursday Night | 64°F | Mostly Clear | 2 mph ESE | 4% |
| Friday | 85°F | Mostly Sunny | 1 to 6 mph SSE | 7% |
| Friday Night | 67°F | Mostly Clear | 5 mph S | 12% |
| Saturday | 88°F | Sunny | 3 to 10 mph S | 8% |
| Saturday Night | 72°F | Mostly Clear | 10 mph S | 8% |
| Sunday | 90°F | Sunny | 9 to 15 mph SSW | 8% |
| Sunday Night | 72°F | Partly Cloudy | 9 to 15 mph S | 12% |
| Monday | 91°F | Mostly Sunny | 9 to 17 mph SSW | 12% |
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 Aug 4, 2026.