Avon, SD Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Avon, a city in Bon Homme County, South Dakota.
Tonight
38°F
Cloudy
Cloudy, with a low around 38. Northwest wind around 15 mph, with gusts as high as 30 mph. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Avon
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 38°F | Cloudy | 15 mph NW | 12% |
| Wednesday | 45°F | Chance Rain Showers | 15 to 20 mph NW | 43% |
| Wednesday Night | 37°F | Slight Chance Rain Showers | 15 mph NW | 17% |
| Thursday | 46°F | Partly Sunny | 10 to 15 mph NNW | 0% |
| Thursday Night | 30°F | Mostly Cloudy | 0 to 10 mph NNE | 0% |
| Friday | 45°F | Mostly Sunny | 0 to 5 mph ESE | 0% |
| Friday Night | 30°F | Partly Cloudy | 5 mph SSE | 0% |
| Saturday | 56°F | Mostly Sunny | 5 mph SW | 0% |
| Saturday Night | 35°F | Mostly Clear | 5 mph WNW | 3% |
| Sunday | 60°F | Sunny | 5 to 10 mph SW | 1% |
| Sunday Night | 40°F | Mostly Clear | 5 to 10 mph SSW | 0% |
| Monday | 61°F | Sunny | 5 to 15 mph WNW | 0% |
| Monday Night | 38°F | Mostly Clear | 5 mph WNW | 0% |
| Tuesday | 58°F | Mostly Sunny | 5 to 10 mph SSW | 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.