Spencer, SD Weather & Growing Conditions
Today
72°F
Patchy Smoke then Partly Sunny
Patchy smoke before 7am. Partly sunny, with a high near 72. North northwest wind 5 to 10 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 72°F | Patchy Smoke then Partly Sunny | 5 to 10 mph NNW | 11% |
| Tonight | 53°F | Partly Cloudy | 0 to 5 mph SSW | 3% |
| Wednesday | 78°F | Mostly Sunny | 5 to 10 mph S | 1% |
| Wednesday Night | 57°F | Mostly Clear | 5 to 10 mph S | 0% |
| Thursday | 85°F | Mostly Sunny | 10 to 15 mph S | 3% |
| Thursday Night | 64°F | Mostly Clear | 10 to 15 mph S | 6% |
| Friday | 89°F | Sunny | 10 mph SSW | 8% |
| Friday Night | 65°F | Mostly Clear | 5 to 10 mph SSE | 11% |
| Saturday | 91°F | Sunny | 10 to 15 mph SSE | 6% |
| Saturday Night | 67°F | Slight Chance Showers And Thunderstorms | 10 to 15 mph ESE | 15% |
| Sunday | 89°F | Mostly Sunny | 10 to 15 mph ESE | 9% |
| Sunday Night | 68°F | Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms | 15 mph E | 19% |
| Monday | 88°F | Slight Chance Showers And Thunderstorms then Partly Sunny | 10 to 15 mph ENE | 19% |
| Monday Night | 67°F | Slight Chance Showers And Thunderstorms | 10 to 15 mph ENE | 17% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Spencer, SD
Last spring frost
May 8
First fall frost
Sep 29
Growing season
143 days
Hardiness zone
5a
Explore more for Spencer, SD: full frost dates · planting calendar · South Dakota frost dates
Climate data from the nearest NOAA station, Alexandria, Sd (12.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.