Astoria, SD Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Astoria, a town in Deuel County, South Dakota.
Tonight
56°F
Areas Of Drizzle
Areas of drizzle and areas of fog before 10pm, then areas of fog and patchy drizzle between 10pm and 11pm, then areas of drizzle and areas of fog between 11pm and 5am, then areas of fog and patchy drizzle. Cloudy, with a low around 56. East northeast wind 10 to 15 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Astoria
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 56°F | Areas Of Drizzle | 10 to 15 mph ENE | 37% |
| Saturday | 62°F | Areas Of Fog | 10 to 15 mph NE | 20% |
| Saturday Night | 52°F | Mostly Cloudy | 10 to 15 mph NNE | 5% |
| Sunday | 63°F | Mostly Cloudy | 15 mph NE | 11% |
| Sunday Night | 50°F | Chance Rain Showers | 10 to 15 mph ENE | 41% |
| Monday | 59°F | Chance Rain Showers | 10 mph ENE | 41% |
| Monday Night | 46°F | Mostly Cloudy | 5 to 10 mph E | 8% |
| Tuesday | 62°F | Partly Sunny | 5 to 10 mph ESE | 2% |
| Tuesday Night | 47°F | Partly Cloudy | 5 to 10 mph SE | 2% |
| Wednesday | 65°F | Mostly Sunny | 10 to 15 mph SSE | 8% |
| Wednesday Night | 51°F | Chance Rain Showers | 5 to 10 mph SSE | 29% |
| Thursday | 68°F | Chance Rain Showers | 5 to 10 mph S | 29% |
| Thursday Night | 53°F | Partly Cloudy | 5 mph SSE | 9% |
| Friday | 70°F | Partly Sunny | 10 mph SE | 9% |
Forecast source: National Weather Service (api.weather.gov) for Astoria (44.558, -96.546). Updated through the day.
Growing snapshot for Astoria
Last spring frost
May 6
First fall frost
Oct 3
Growing season
150 days
Hardiness zone
4b
More local growing data for Astoria: nearby ZIP 57213 weather · frost dates · planting calendar · South Dakota frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Astoria 4S, Sd (4.5 mi from Astoria). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.