Andover, SD Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Andover, a town in Day County, South Dakota.
Overnight
50°F
Partly Cloudy
Partly cloudy, with a low around 50. Northwest wind around 5 mph.
7-day forecast for Andover
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 50°F | Partly Cloudy | 5 mph NW | 0% |
| Tuesday | 73°F | Mostly Sunny | 5 to 10 mph WNW | 0% |
| Tuesday Night | 54°F | Mostly Clear | 3 to 7 mph S | 0% |
| Wednesday | 80°F | Sunny | 10 mph SW | 0% |
| Wednesday Night | 61°F | Partly Cloudy | 7 to 14 mph SSW | 1% |
| Thursday | 84°F | Sunny | 10 to 15 mph SSW | 5% |
| Thursday Night | 64°F | Mostly Clear | 12 mph S | 6% |
| Friday | 86°F | Sunny | 10 mph SW | 4% |
| Friday Night | 63°F | Mostly Clear | 8 mph E | 3% |
| Saturday | 84°F | Sunny | 7 to 14 mph ESE | 7% |
| Saturday Night | 63°F | Slight Chance Showers And Thunderstorms | 13 mph E | 15% |
| Sunday | 83°F | Mostly Sunny | 12 mph ENE | 8% |
| Sunday Night | 64°F | Chance Showers And Thunderstorms | 12 mph E | 26% |
| Monday | 80°F | Chance Showers And Thunderstorms then Partly Sunny | 13 mph ENE | 26% |
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 Aug 4, 2026.