Astoria, SD Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Astoria, a town in Deuel County, South Dakota.
This Afternoon
47°F
Light Rain
Rain and patchy fog. Cloudy. High near 47, with temperatures falling to around 42 in the afternoon. North northwest wind around 20 mph, with gusts as high as 35 mph. Chance of precipitation is 90%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Astoria
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 47°F | Light Rain | 20 mph NNW | 85% |
| Tonight | 38°F | Light Rain | 20 mph NNW | 93% |
| Wednesday | 42°F | Light Rain | 20 mph NNW | 95% |
| Wednesday Night | 34°F | Light Rain | 15 to 20 mph NNW | 79% |
| Thursday | 41°F | Patchy Fog then Partly Sunny | 15 to 20 mph N | 9% |
| Thursday Night | 30°F | Mostly Cloudy | 0 to 10 mph N | 0% |
| Friday | 43°F | Partly Sunny | 0 to 5 mph SSE | 0% |
| Friday Night | 30°F | Partly Cloudy | 5 to 10 mph SSW | 0% |
| Saturday | 53°F | Mostly Sunny | 10 to 15 mph WSW | 3% |
| Saturday Night | 34°F | Partly Cloudy | 10 mph W | 4% |
| Sunday | 55°F | Sunny | 10 mph WSW | 3% |
| Sunday Night | 38°F | Partly Cloudy | 10 to 15 mph SW | 1% |
| Monday | 58°F | Mostly Sunny | 10 to 15 mph W | 0% |
| Monday Night | 37°F | Mostly Clear | 5 to 10 mph WNW | 0% |
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 Nov 4, 2026.