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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

WhenTempForecastWindPrecip
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

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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.