Andover, SD Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Andover, a town in Day County, South Dakota.
This Afternoon
63°F
Chance Rain Showers
A chance of rain showers and patchy fog before 5pm, then patchy fog and a slight chance of rain showers. Cloudy, with a high near 63. East wind 13 to 17 mph, with gusts as high as 31 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Andover
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 63°F | Chance Rain Showers | 13 to 17 mph E | 34% |
| Tonight | 55°F | Patchy Fog | 6 to 12 mph ENE | 11% |
| Saturday | 66°F | Patchy Fog then Cloudy | 8 to 12 mph NE | 6% |
| Saturday Night | 53°F | Mostly Cloudy | 7 to 10 mph NE | 6% |
| Sunday | 65°F | Mostly Cloudy | 13 mph ENE | 7% |
| Sunday Night | 51°F | Chance Rain Showers | 7 to 10 mph E | 41% |
| Monday | 63°F | Chance Rain Showers then Mostly Cloudy | 9 mph E | 41% |
| Monday Night | 47°F | Mostly Cloudy | 7 mph ESE | 5% |
| Tuesday | 66°F | Mostly Sunny | 7 to 12 mph SE | 1% |
| Tuesday Night | 51°F | Partly Cloudy | 12 mph SSE | 10% |
| Wednesday | 69°F | Partly Sunny | 12 to 15 mph SSE | 13% |
| Wednesday Night | 54°F | Chance Rain Showers | 12 mph SSE | 26% |
| Thursday | 71°F | Chance Rain Showers then Partly Sunny | 7 to 10 mph SSE | 26% |
| Thursday Night | 55°F | Partly Cloudy | 8 mph SSE | 13% |
Forecast source: National Weather Service (api.weather.gov) for Andover (45.410, -97.904). Updated through the day.
Growing snapshot for Andover
Last spring frost
May 6
First fall frost
Oct 4
Growing season
150 days
Hardiness zone
4b
More local growing data for Andover: nearby ZIP 57422 weather · frost dates · planting calendar · South Dakota frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Andover #2, Sd (1.3 mi from Andover). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 18, 2026.