Clear Lake, SD Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Clear Lake, a community in Marshall County, South Dakota.
This Afternoon
60°F
Widespread Drizzle
Widespread drizzle and areas of fog. Cloudy, with a high near 60. East southeast wind 16 to 20 mph, with gusts as high as 32 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Clear Lake
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 60°F | Widespread Drizzle | 16 to 20 mph ESE | 56% |
| Tonight | 53°F | Areas Of Drizzle then Areas Of Fog | 7 to 14 mph E | 44% |
| Saturday | 63°F | Areas Of Fog | 8 to 13 mph NE | 9% |
| Saturday Night | 52°F | Mostly Cloudy then Slight Chance Rain Showers | 9 mph NE | 15% |
| Sunday | 63°F | Cloudy | 9 to 13 mph ENE | 8% |
| Sunday Night | 49°F | Cloudy then Slight Chance Rain Showers | 6 to 9 mph E | 22% |
| Monday | 60°F | Slight Chance Rain Showers then Mostly Cloudy | 6 to 9 mph E | 22% |
| Monday Night | 46°F | Mostly Cloudy | 7 mph ESE | 2% |
| Tuesday | 64°F | Mostly Sunny | 6 to 13 mph SE | 2% |
| Tuesday Night | 49°F | Partly Cloudy | 10 mph SSE | 7% |
| Wednesday | 66°F | Partly Sunny | 10 to 15 mph SSE | 12% |
| Wednesday Night | 52°F | Chance Rain Showers | 10 mph SSE | 26% |
| Thursday | 68°F | Chance Rain Showers then Partly Sunny | 7 to 10 mph S | 26% |
| Thursday Night | 54°F | Partly Cloudy | 7 mph SSE | 11% |
Forecast source: National Weather Service (api.weather.gov) for Clear Lake (45.704, -97.356). Updated through the day.
Growing snapshot for Clear Lake
Last spring frost
May 2
First fall frost
Oct 9
Growing season
160 days
Hardiness zone
4b
More local growing data for Clear Lake: nearby ZIP 57232 weather · frost dates · planting calendar · South Dakota frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Roy Lake, Sd (6.1 mi from Clear Lake). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.