Avon, SD Weather & Growing Conditions
Tonight
62°F
Mostly Cloudy then Slight Chance Rain Showers
Patchy fog between 1am and 4am, then a slight chance of rain showers. Mostly cloudy, with a low around 62. North northwest wind 5 to 10 mph. Chance of precipitation is 20%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 62°F | Mostly Cloudy then Slight Chance Rain Showers | 5 to 10 mph NNW | 20% |
| Saturday | 67°F | Patchy Fog then Cloudy | 10 mph N | 20% |
| Saturday Night | 57°F | Cloudy then Slight Chance Rain Showers | 10 mph NNE | 15% |
| Sunday | 62°F | Rain Showers Likely | 10 mph NE | 57% |
| Sunday Night | 54°F | Showers And Thunderstorms | 10 mph ENE | 78% |
| Monday | 59°F | Showers And Thunderstorms Likely | 10 mph ENE | 78% |
| Monday Night | 49°F | Slight Chance Rain Showers then Mostly Cloudy | 5 to 10 mph E | 15% |
| Tuesday | 63°F | Mostly Cloudy | 5 to 10 mph ESE | 7% |
| Tuesday Night | 51°F | Mostly Cloudy | 5 to 10 mph SE | 8% |
| Wednesday | 67°F | Chance Rain Showers | 10 to 15 mph SSE | 25% |
| Wednesday Night | 55°F | Chance Rain Showers | 10 mph SSE | 45% |
| Thursday | 68°F | Slight Chance Showers And Thunderstorms | 10 mph SSE | 45% |
| Thursday Night | 56°F | Mostly Cloudy | 5 to 10 mph SE | 9% |
| Friday | 69°F | Slight Chance Rain Showers | 5 to 10 mph SE | 15% |
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 Sep 19, 2026.