Gettysburg, SD Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Gettysburg, a city in Potter County, South Dakota.
Today
74°F
Patchy Smoke then Sunny
Patchy smoke before 10am. Sunny, with a high near 74. Northwest wind 9 to 13 mph, with gusts as high as 22 mph.
7-day forecast for Gettysburg
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 74°F | Patchy Smoke then Sunny | 9 to 13 mph NW | 0% |
| Tonight | 53°F | Mostly Clear | 6 to 9 mph SSW | 0% |
| Wednesday | 81°F | Mostly Sunny | 7 to 13 mph SW | 0% |
| Wednesday Night | 59°F | Partly Cloudy | 8 to 13 mph SSW | 3% |
| Thursday | 88°F | Sunny | 12 mph SW | 3% |
| Thursday Night | 61°F | Mostly Clear | 10 mph SSW | 3% |
| Friday | 90°F | Sunny | 12 mph NW | 1% |
| Friday Night | 63°F | Mostly Clear | 10 to 14 mph E | 1% |
| Saturday | 91°F | Mostly Sunny | 14 to 17 mph E | 3% |
| Saturday Night | 62°F | Mostly Clear | 14 mph ENE | 4% |
| Sunday | 88°F | Mostly Sunny | 13 to 17 mph ENE | 4% |
| Sunday Night | 62°F | Chance Showers And Thunderstorms | 17 mph E | 34% |
| Monday | 86°F | Chance Showers And Thunderstorms then Partly Sunny | 17 mph ENE | 34% |
| Monday Night | 61°F | Chance Showers And Thunderstorms | 16 mph ENE | 25% |
Forecast source: National Weather Service (api.weather.gov) for Gettysburg (45.006, -99.954). Updated through the day.
Growing snapshot for Gettysburg
Last spring frost
May 7
First fall frost
Oct 2
Growing season
147 days
Hardiness zone
4b
More local growing data for Gettysburg: nearby ZIP 57442 weather · frost dates · planting calendar · South Dakota frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Gettysburg, Sd (11 mi from Gettysburg). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.