Astoria, SD Weather & Growing Conditions
Overnight
55°F
Areas Of Fog
Areas of fog and a chance of drizzle. Cloudy, with a low around 55. Northeast wind around 7 mph. Chance of precipitation is 30%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 55°F | Areas Of Fog | 7 mph NE | 31% |
| Saturday | 62°F | Areas Of Fog | 7 to 14 mph NNE | 31% |
| Saturday Night | 51°F | Patchy Fog then Mostly Cloudy | 9 to 13 mph NNE | 15% |
| Sunday | 64°F | Mostly Cloudy | 12 to 16 mph NE | 11% |
| Sunday Night | 48°F | Cloudy then Slight Chance Rain Showers | 8 to 13 mph ENE | 18% |
| Monday | 61°F | Slight Chance Rain Showers | 8 to 12 mph ENE | 18% |
| Monday Night | 44°F | Partly Cloudy | 3 to 8 mph E | 7% |
| Tuesday | 64°F | Mostly Sunny | 3 to 12 mph SE | 4% |
| Tuesday Night | 45°F | Partly Cloudy | 9 mph SE | 2% |
| Wednesday | 67°F | Mostly Sunny | 8 to 14 mph SSE | 6% |
| Wednesday Night | 50°F | Partly Cloudy then Slight Chance Rain Showers | 9 mph SSE | 24% |
| Thursday | 69°F | Slight Chance Rain Showers | 9 to 14 mph SSE | 24% |
| Thursday Night | 53°F | Mostly Cloudy | 8 mph SSE | 13% |
| Friday | 71°F | Partly Sunny | 8 to 13 mph SSE | 13% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Astoria, SD
Last spring frost
May 6
First fall frost
Oct 3
Growing season
150 days
Hardiness zone
4b
Explore more for Astoria, SD: full frost dates · planting calendar · South Dakota frost dates
Climate data from the nearest NOAA station, Astoria 4S, Sd (4.5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.