Lebanon, SD Weather & Growing Conditions
Overnight
56°F
Areas Of Fog
Areas of fog and a slight chance of drizzle. Cloudy, with a low around 56. North northeast wind around 8 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 56°F | Areas Of Fog | 8 mph NNE | 10% |
| Saturday | 64°F | Areas Of Fog | 9 to 15 mph NE | 19% |
| Saturday Night | 51°F | Cloudy then Chance Rain Showers | 12 to 15 mph NE | 37% |
| Sunday | 61°F | Chance Rain Showers | 15 to 18 mph ENE | 42% |
| Sunday Night | 48°F | Rain Showers Likely | 12 to 16 mph ENE | 56% |
| Monday | 63°F | Rain Showers Likely | 13 mph E | 56% |
| Monday Night | 45°F | Mostly Cloudy | 13 mph SE | 10% |
| Tuesday | 66°F | Partly Sunny | 12 to 21 mph SE | 6% |
| Tuesday Night | 49°F | Mostly Cloudy | 21 mph SE | 12% |
| Wednesday | 69°F | Partly Sunny then Slight Chance Rain Showers | 20 to 23 mph SSE | 16% |
| Wednesday Night | 52°F | Chance Rain Showers | 15 to 23 mph SE | 40% |
| Thursday | 72°F | Chance Rain Showers then Partly Sunny | 15 mph SE | 31% |
| Thursday Night | 53°F | Slight Chance Rain Showers | 15 mph SE | 17% |
| Friday | 74°F | Partly Sunny | 13 to 21 mph SE | 11% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Lebanon, SD
Last spring frost
May 7
First fall frost
Oct 2
Growing season
147 days
Hardiness zone
4b
Explore more for Lebanon, SD: full frost dates · planting calendar · South Dakota frost dates
Climate data from the nearest NOAA station, Gettysburg, Sd (12.6 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.