Angostura, SD Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Angostura, a community in Fall River County, South Dakota.
Today
70°F
Patchy Fog
Patchy fog and a chance of showers and thunderstorms. Mostly cloudy, with a high near 70. Northeast wind 6 to 17 mph, with gusts as high as 26 mph. Chance of precipitation is 40%.
7-day forecast for Angostura
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 70°F | Patchy Fog | 6 to 17 mph NE | 36% |
| Tonight | 51°F | Showers And Thunderstorms | 12 to 17 mph NE | 87% |
| Sunday | 64°F | Showers And Thunderstorms | 10 to 14 mph E | 88% |
| Sunday Night | 47°F | Showers And Thunderstorms | 8 to 15 mph NE | 90% |
| Monday | 65°F | Slight Chance Rain Showers then Partly Sunny | 7 to 13 mph NE | 23% |
| Monday Night | 46°F | Mostly Cloudy | 6 to 14 mph E | 9% |
| Tuesday | 74°F | Mostly Sunny | 6 to 18 mph SE | 11% |
| Tuesday Night | 51°F | Mostly Clear then Slight Chance Rain Showers | 6 to 18 mph SE | 15% |
| Wednesday | 79°F | Mostly Sunny | 6 to 10 mph S | 14% |
| Wednesday Night | 52°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 5 to 9 mph S | 20% |
| Thursday | 81°F | Mostly Sunny | 5 to 9 mph S | 6% |
| Thursday Night | 53°F | Mostly Clear | 3 to 9 mph SE | 8% |
| Friday | 82°F | Mostly Sunny | 3 to 17 mph S | 5% |
| Friday Night | 54°F | Slight Chance Rain Showers | 8 to 17 mph S | 17% |
Forecast source: National Weather Service (api.weather.gov) for Angostura (43.319, -103.391). Updated through the day.
Growing snapshot for Angostura
Last spring frost
May 16
First fall frost
Sep 27
Growing season
133 days
Hardiness zone
5a
More local growing data for Angostura: nearby ZIP 57747 weather · frost dates · planting calendar · South Dakota frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Hot Springs, Sd (5 mi from Angostura). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.