Lennox, SD Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Lennox, a city in Lincoln County, South Dakota.
Today
68°F
Patchy Fog then Cloudy
Patchy drizzle and patchy fog before 7am, then patchy fog and a slight chance of rain showers between 7am and 10am. Cloudy, with a high near 68. North wind 5 to 10 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Lennox
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 68°F | Patchy Fog then Cloudy | 5 to 10 mph N | 20% |
| Tonight | 56°F | Cloudy | 10 mph NNE | 6% |
| Sunday | 66°F | Cloudy then Slight Chance Rain Showers | 10 to 15 mph NE | 22% |
| Sunday Night | 53°F | Chance Rain Showers | 10 to 15 mph ENE | 54% |
| Monday | 61°F | Chance Rain Showers | 10 mph ENE | 54% |
| Monday Night | 47°F | Slight Chance Rain Showers then Mostly Cloudy | 5 to 10 mph E | 18% |
| Tuesday | 64°F | Partly Sunny | 5 to 10 mph ESE | 5% |
| Tuesday Night | 46°F | Partly Cloudy | 5 to 10 mph SE | 2% |
| Wednesday | 67°F | Mostly Sunny | 5 to 15 mph SSE | 8% |
| Wednesday Night | 52°F | Chance Rain Showers | 10 mph SSE | 39% |
| Thursday | 69°F | Chance Rain Showers | 10 to 15 mph SSE | 39% |
| Thursday Night | 54°F | Slight Chance Rain Showers | 5 to 10 mph SE | 17% |
| Friday | 72°F | Slight Chance Rain Showers then Partly Sunny | 5 to 15 mph SE | 17% |
| Friday Night | 55°F | Mostly Cloudy then Slight Chance Rain Showers | 10 mph SE | 23% |
Forecast source: National Weather Service (api.weather.gov) for Lennox (43.350, -96.894). Updated through the day.
Growing snapshot for Lennox
Last spring frost
May 2
First fall frost
Oct 2
Growing season
151 days
Hardiness zone
5a
More local growing data for Lennox: nearby ZIP 57039 weather · frost dates · planting calendar · South Dakota frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Canton, Sd (14.5 mi from Lennox). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.