Arlington, SD Weather & Growing Conditions
Tonight
37°F
Rain Showers
Rain showers. Cloudy. Low around 37, with temperatures rising to around 40 overnight. North northwest wind 15 to 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
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 37°F | Rain Showers | 15 to 20 mph NNW | 91% |
| Wednesday | 43°F | Rain Showers | 15 to 20 mph NW | 92% |
| Wednesday Night | 34°F | Rain Showers Likely then Cloudy | 15 mph NNW | 59% |
| Thursday | 44°F | Partly Sunny | 10 to 15 mph N | 5% |
| Thursday Night | 30°F | Mostly Cloudy | 0 to 10 mph NE | 0% |
| Friday | 44°F | Partly Sunny | 0 to 5 mph SE | 0% |
| Friday Night | 30°F | Partly Cloudy | 5 mph SSW | 0% |
| Saturday | 53°F | Mostly Sunny | 5 to 10 mph WSW | 4% |
| Saturday Night | 34°F | Mostly Clear | 5 to 10 mph W | 4% |
| Sunday | 56°F | Sunny | 5 to 10 mph SW | 2% |
| Sunday Night | 38°F | Mostly Clear | 10 mph SSW | 0% |
| Monday | 58°F | Sunny | 10 to 15 mph W | 0% |
| Monday Night | 36°F | Mostly Clear | 5 to 10 mph WNW | 0% |
| Tuesday | 55°F | Mostly Sunny | 5 to 10 mph W | 0% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Arlington, SD
Last spring frost
May 3
First fall frost
Oct 2
Growing season
151 days
Hardiness zone
4b
Explore more for Arlington, SD: full frost dates · planting calendar · South Dakota frost dates
Climate data from the nearest NOAA station, Arlington 1 W, Sd (1.9 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.