Morristown, SD Weather & Growing Conditions
This Afternoon
56°F
Partly Sunny
Partly sunny. High near 56, with temperatures falling to around 49 in the afternoon. North northwest wind around 15 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 56°F | Partly Sunny | 15 mph NNW | 0% |
| Tonight | 27°F | Areas Of Fog | 5 to 13 mph NNW | 0% |
| Thursday | 45°F | Areas Of Fog then Mostly Sunny | 5 mph ENE | 0% |
| Thursday Night | 24°F | Partly Cloudy | 5 mph SE | 0% |
| Friday | 50°F | Mostly Sunny | 2 to 6 mph SSW | 0% |
| Friday Night | 30°F | Mostly Clear | 2 to 7 mph SW | 0% |
| Saturday | 60°F | Sunny | 7 to 17 mph W | 0% |
| Saturday Night | 30°F | Mostly Clear | 2 to 6 mph W | 0% |
| Sunday | 62°F | Sunny | 2 to 10 mph SSW | 0% |
| Sunday Night | 39°F | Mostly Clear | 5 to 10 mph WSW | 0% |
| Monday | 60°F | Sunny | 5 to 15 mph NW | 0% |
| Monday Night | 33°F | Partly Cloudy | 3 mph W | 1% |
| Tuesday | 57°F | Mostly Sunny | 2 to 7 mph S | 1% |
| Tuesday Night | 35°F | Partly Cloudy | 5 mph SSW | 1% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Morristown, SD
Last spring frost
May 10
First fall frost
Sep 30
Growing season
142 days
Hardiness zone
4b
Explore more for Morristown, SD: full frost dates · planting calendar · South Dakota frost dates
Climate data from the nearest NOAA station, Lemmon, Sd (18.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 5, 2026.