Avon, SD Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Avon, a city in Bon Homme County, South Dakota.
This Afternoon
45°F
Rain Showers Likely
Rain showers likely. Mostly cloudy, with a high near 45. Northwest wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Avon
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 45°F | Rain Showers Likely | 15 mph NW | 59% |
| Tonight | 36°F | Mostly 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) for Avon (43.005, -98.059). Updated through the day.
Growing snapshot for Avon
Last spring frost
May 1
First fall frost
Oct 7
Growing season
158 days
Hardiness zone
5a
More local growing data for Avon: nearby ZIP 57315 weather · frost dates · planting calendar · South Dakota frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Tyndall, Sd (8.6 mi from Avon). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.