Avon, SD Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Avon, a city in Bon Homme County, South Dakota.
Overnight
59°F
Patchy Smoke
Patchy smoke and showers and thunderstorms. Mostly cloudy, with a low around 59. North wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Avon
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 59°F | Patchy Smoke | 15 mph N | 89% |
| Tuesday | 72°F | Chance Showers And Thunderstorms | 5 to 15 mph NNW | 48% |
| Tuesday Night | 54°F | Mostly Cloudy | 0 to 5 mph WNW | 2% |
| Wednesday | 78°F | Mostly Sunny | 0 to 5 mph SSE | 2% |
| Wednesday Night | 56°F | Mostly Clear | 5 mph S | 0% |
| Thursday | 85°F | Sunny | 5 to 15 mph S | 5% |
| Thursday Night | 65°F | Mostly Clear | 10 to 15 mph SSW | 8% |
| Friday | 91°F | Sunny | 10 mph SSW | 7% |
| Friday Night | 66°F | Mostly Clear | 5 to 10 mph SSE | 10% |
| Saturday | 94°F | Sunny | 5 to 15 mph S | 3% |
| Saturday Night | 69°F | Mostly Clear | 10 to 15 mph S | 9% |
| Sunday | 92°F | Sunny | 10 to 15 mph SSE | 3% |
| Sunday Night | 70°F | Partly Cloudy | 10 to 15 mph E | 14% |
| Monday | 91°F | Mostly Sunny | 10 to 15 mph E | 14% |
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 Aug 4, 2026.