Avon, SD Weather & Growing Conditions
Today
72°F
Patchy Smoke then Chance Showers And Thunderstorms
Patchy smoke and a slight chance of showers and thunderstorms before 9am, then a chance of showers and thunderstorms between 9am and 5pm. Mostly cloudy, with a high near 72. North northwest wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 40%. New rainfall amounts between a quarter and half of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 72°F | Patchy Smoke then Chance Showers And Thunderstorms | 5 to 15 mph NNW | 39% |
| Tonight | 54°F | Mostly Cloudy | 0 to 5 mph W | 6% |
| 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% |
| Monday Night | 68°F | Slight Chance Showers And Thunderstorms | 10 to 15 mph ENE | 17% |
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 Aug 4, 2026.