Astoria, SD Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Astoria, a town in Deuel County, South Dakota.
Today
68°F
Partly Sunny
Partly sunny, with a high near 68. Northwest wind around 10 mph.
7-day forecast for Astoria
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 68°F | Partly Sunny | 10 mph NW | 3% |
| Tonight | 51°F | Partly Cloudy | 5 mph WSW | 1% |
| Wednesday | 74°F | Sunny | 5 to 10 mph SW | 0% |
| Wednesday Night | 57°F | Mostly Clear | 5 to 15 mph SW | 0% |
| Thursday | 79°F | Sunny | 15 to 20 mph SSW | 2% |
| Thursday Night | 61°F | Mostly Clear | 10 to 15 mph SSW | 4% |
| Friday | 82°F | Sunny | 10 to 15 mph SSW | 12% |
| Friday Night | 62°F | Mostly Clear | 5 to 10 mph S | 12% |
| Saturday | 82°F | Sunny | 5 to 15 mph SSE | 6% |
| Saturday Night | 63°F | Slight Chance Showers And Thunderstorms | 10 to 15 mph ESE | 24% |
| Sunday | 79°F | Slight Chance Showers And Thunderstorms then Mostly Sunny | 10 to 15 mph ESE | 23% |
| Sunday Night | 62°F | Partly Cloudy then Slight Chance Showers And Thunderstorms | 10 mph E | 23% |
| Monday | 79°F | Slight Chance Showers And Thunderstorms | 10 to 15 mph ENE | 23% |
| Monday Night | 62°F | Slight Chance Showers And Thunderstorms | 10 to 15 mph NE | 16% |
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 Aug 4, 2026.