Avon, SD Weather & Growing Conditions
This Afternoon
45°F
Chance Rain Showers
A chance of rain showers. Cloudy, with a high near 45. Northwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 45°F | Chance Rain Showers | 15 to 20 mph NW | 44% |
| Tonight | 36°F | Cloudy | 15 mph NW | 12% |
| Thursday | 46°F | Mostly Cloudy | 10 to 15 mph NNW | 0% |
| Thursday Night | 28°F | Mostly Cloudy | 0 to 10 mph N | 0% |
| Friday | 44°F | Mostly Sunny | 0 to 5 mph SE | 0% |
| Friday Night | 30°F | Partly Cloudy | 5 mph SSE | 0% |
| Saturday | 57°F | Sunny | 5 mph SSW | 0% |
| Saturday Night | 35°F | Mostly Clear | 0 to 5 mph WSW | 0% |
| Sunday | 60°F | Sunny | 5 mph SW | 0% |
| Sunday Night | 40°F | Clear | 5 to 10 mph S | 0% |
| Monday | 63°F | Sunny | 5 to 10 mph W | 0% |
| Monday Night | 37°F | Mostly Clear | 5 mph NNW | 0% |
| Tuesday | 58°F | Mostly Sunny | 5 mph NNW | 0% |
| Tuesday Night | 39°F | Partly Cloudy | 5 mph SSE | 0% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Avon, SD
Last spring frost
May 1
First fall frost
Oct 7
Growing season
158 days
Hardiness zone
5a
Explore more for Avon, SD: full frost dates · planting calendar · South Dakota frost dates
Climate data from the nearest NOAA station, Tyndall, Sd (8.6 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 5, 2026.