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
48°F
Slight Chance Light Rain
A slight chance of rain before 4pm. Cloudy, with a high near 48. North northwest wind around 20 mph, with gusts as high as 30 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Andover
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 48°F | Slight Chance Light Rain | 20 mph NNW | 18% |
| Tonight | 31°F | Mostly Cloudy | 13 to 17 mph N | 1% |
| Thursday | 39°F | Mostly Cloudy | 7 to 15 mph N | 0% |
| Thursday Night | 25°F | Mostly Cloudy | 0 to 6 mph ENE | 0% |
| Friday | 42°F | Mostly Sunny | 2 to 7 mph S | 0% |
| Friday Night | 27°F | Partly Cloudy | 8 mph S | 0% |
| Saturday | 53°F | Mostly Sunny | 8 to 12 mph SSW | 0% |
| Saturday Night | 31°F | Mostly Clear | 2 to 7 mph WSW | 0% |
| Sunday | 55°F | Sunny | 2 to 9 mph SSW | 0% |
| Sunday Night | 38°F | Mostly Clear | 6 to 10 mph SSW | 0% |
| Monday | 59°F | Mostly Sunny | 6 to 10 mph WSW | 0% |
| Monday Night | 34°F | Mostly Clear | 6 mph WNW | 0% |
| Tuesday | 53°F | Mostly Sunny | 6 mph WSW | 1% |
| Tuesday Night | 35°F | Partly Cloudy | 5 mph S | 0% |
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 Nov 4, 2026.