Belvidere, SD Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Belvidere, a town in Mellette County, South Dakota.
Today
73°F
Areas Of Smoke then Mostly Sunny
Areas of smoke before noon. Mostly sunny, with a high near 73. West wind around 8 mph, with gusts as high as 17 mph.
7-day forecast for Belvidere
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 73°F | Areas Of Smoke then Mostly Sunny | 8 mph W | 8% |
| Tonight | 54°F | Partly Cloudy | 7 mph SW | 3% |
| Wednesday | 84°F | Sunny | 9 mph SW | 1% |
| Wednesday Night | 60°F | Mostly Clear | 9 to 16 mph S | 4% |
| Thursday | 92°F | Sunny | 9 to 13 mph W | 2% |
| Thursday Night | 64°F | Mostly Clear | 12 mph S | 3% |
| Friday | 95°F | Sunny | 9 to 14 mph N | 1% |
| Friday Night | 66°F | Mostly Clear | 10 to 15 mph S | 2% |
| Saturday | 98°F | Sunny | 10 to 17 mph NW | 1% |
| Saturday Night | 65°F | Mostly Clear | 8 to 16 mph E | 3% |
| Sunday | 94°F | Mostly Sunny | 8 to 22 mph E | 7% |
| Sunday Night | 65°F | Chance Showers And Thunderstorms | 13 to 22 mph E | 33% |
| Monday | 91°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 13 to 20 mph E | 15% |
| Monday Night | 64°F | Chance Showers And Thunderstorms | 13 to 20 mph E | 31% |
Forecast source: National Weather Service (api.weather.gov) for Belvidere (43.832, -101.271). Updated through the day.
Growing snapshot for Belvidere
Last spring frost
May 6
First fall frost
Oct 4
Growing season
151 days
Hardiness zone
5a
More local growing data for Belvidere: nearby ZIP 57521 weather · frost dates · planting calendar · South Dakota frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Cedar Butte, Sd (17 mi from Belvidere). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.