Timber Lake, SD Weather & Growing Conditions
Today
66°F
Patchy Fog then Slight Chance Rain Showers
Patchy fog and a slight chance of drizzle before noon, then a slight chance of rain showers. Cloudy. High near 66, with temperatures falling to around 63 in the afternoon. Northeast wind around 13 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 66°F | Patchy Fog then Slight Chance Rain Showers | 13 mph NE | 24% |
| Tonight | 56°F | Chance Rain Showers | 10 to 14 mph ENE | 49% |
| Sunday | 58°F | Rain Showers | 13 to 16 mph ENE | 83% |
| Sunday Night | 50°F | Rain Showers Likely | 8 to 12 mph ENE | 68% |
| Monday | 63°F | Mostly Cloudy | 8 to 12 mph ESE | 12% |
| Monday Night | 45°F | Partly Cloudy | 12 mph SE | 4% |
| Tuesday | 65°F | Mostly Sunny | 13 to 24 mph SE | 2% |
| Tuesday Night | 50°F | Mostly Cloudy | 23 mph SE | 5% |
| Wednesday | 71°F | Partly Sunny then Chance Rain Showers | 22 to 26 mph SE | 30% |
| Wednesday Night | 53°F | Chance Showers And Thunderstorms | 9 to 24 mph SE | 50% |
| Thursday | 77°F | Mostly Sunny | 9 mph SE | 6% |
| Thursday Night | 54°F | Partly Cloudy | 8 mph SE | 6% |
| Friday | 77°F | Partly Sunny | 9 to 21 mph SE | 6% |
| Friday Night | 57°F | Slight Chance Rain Showers | 21 mph SE | 22% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Timber Lake, SD
Last spring frost
May 10
First fall frost
Sep 30
Growing season
141 days
Hardiness zone
4b
Explore more for Timber Lake, SD: full frost dates · planting calendar · South Dakota frost dates
Climate data from the nearest NOAA station, Timber Lake, Sd (1.5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.