Lennox, SD Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Lennox, a city in Lincoln County, South Dakota.
This Afternoon
53°F
Rain Showers
Rain showers. Cloudy. High near 53, with temperatures falling to around 47 in the afternoon. North northwest wind around 20 mph, with gusts as high as 35 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Lennox
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 53°F | Rain Showers | 20 mph NNW | 93% |
| Tonight | 39°F | Rain Showers | 15 to 20 mph NW | 86% |
| Wednesday | 46°F | Rain Showers | 20 mph NW | 76% |
| Wednesday Night | 37°F | Rain Showers Likely | 10 to 15 mph NW | 60% |
| Thursday | 48°F | Partly Sunny | 10 to 15 mph NNW | 11% |
| Thursday Night | 32°F | Mostly Cloudy | 5 to 10 mph N | 0% |
| Friday | 48°F | Partly Sunny | 0 to 5 mph ESE | 0% |
| Friday Night | 31°F | Mostly Cloudy | 5 mph S | 1% |
| Saturday | 56°F | Mostly Sunny | 5 to 10 mph SW | 2% |
| Saturday Night | 35°F | Mostly Clear | 5 mph WNW | 5% |
| Sunday | 58°F | Sunny | 5 to 10 mph WSW | 2% |
| Sunday Night | 38°F | Mostly Clear | 5 mph S | 1% |
| Monday | 61°F | Sunny | 5 to 15 mph W | 0% |
| Monday Night | 38°F | Mostly Clear | 5 to 10 mph NW | 0% |
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 Nov 3, 2026.