Brandon, SD Weather & Growing Conditions
Tonight
61°F
Cloudy then Patchy Fog
Patchy fog and a slight chance of rain showers after 1am. Cloudy, with a low around 61. North northeast wind around 5 mph. Chance of precipitation is 20%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 61°F | Cloudy then Patchy Fog | 5 mph NNE | 20% |
| Saturday | 68°F | Patchy Fog then Cloudy | 5 to 10 mph NNE | 14% |
| Saturday Night | 56°F | Mostly Cloudy | 10 mph NNE | 2% |
| Sunday | 65°F | Mostly Cloudy then Slight Chance Rain Showers | 10 to 15 mph NE | 20% |
| Sunday Night | 52°F | Chance Rain Showers | 5 to 10 mph ENE | 52% |
| Monday | 61°F | Chance Rain Showers | 10 mph ENE | 52% |
| Monday Night | 47°F | Slight Chance Rain Showers then Mostly Cloudy | 5 mph ENE | 21% |
| Tuesday | 64°F | Partly Sunny | 5 to 10 mph E | 4% |
| Tuesday Night | 47°F | Partly Cloudy | 5 mph SE | 1% |
| Wednesday | 68°F | Partly Sunny | 5 to 10 mph SSE | 10% |
| Wednesday Night | 51°F | Chance Rain Showers | 5 mph SSE | 37% |
| Thursday | 68°F | Chance Rain Showers | 5 to 10 mph SSE | 37% |
| Thursday Night | 53°F | Mostly Cloudy then Slight Chance Rain Showers | 0 to 5 mph SE | 15% |
| Friday | 70°F | Slight Chance Rain Showers then Partly Sunny | 0 to 10 mph SE | 15% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Brandon, SD
Last spring frost
May 1
First fall frost
Oct 6
Growing season
157 days
Hardiness zone
5a
Explore more for Brandon, SD: full frost dates · planting calendar · South Dakota frost dates
Climate data from the nearest NOAA station, Sioux Falls, Sd (7.1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.