Andover, SD Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Andover, a town in Day County, South Dakota.
Today
43°F
Light Rain
Rain and patchy fog before 2pm, then patchy fog and a slight chance of rain. Cloudy, with a high near 43. North northwest wind 15 to 18 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Andover
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 43°F | Light Rain | 15 to 18 mph NNW | 81% |
| Tonight | 32°F | Mostly Cloudy then Patchy Fog | 15 mph NNW | 2% |
| Thursday | 39°F | Patchy Fog then Mostly Cloudy | 8 to 14 mph N | 0% |
| Thursday Night | 26°F | Mostly Cloudy | 1 to 6 mph E | 0% |
| Friday | 41°F | Mostly Sunny | 2 to 6 mph S | 0% |
| Friday Night | 28°F | Partly Cloudy | 3 to 7 mph S | 0% |
| Saturday | 52°F | Sunny | 7 to 12 mph SW | 1% |
| Saturday Night | 32°F | Mostly Clear | 7 mph WSW | 0% |
| Sunday | 53°F | Sunny | 5 to 9 mph SSW | 0% |
| Sunday Night | 37°F | Mostly Clear | 9 mph SSW | 0% |
| Monday | 57°F | Mostly Sunny | 7 to 10 mph W | 0% |
| Monday Night | 34°F | Mostly Clear | 2 to 6 mph WNW | 0% |
| Tuesday | 54°F | Mostly Sunny | 2 to 6 mph WSW | 1% |
| Tuesday Night | 37°F | Partly Cloudy | 5 mph SSE | 1% |
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.