Live Weather & Forecast
Weather in Gettysburg
South Dakota, United States · Real-time conditions & 3-day outlook
18°C
Feels like 18°C
64°F / Feels 64°F
Clear
Gettysburg, South Dakota
🌙 Nighttime
Updated: 2026-04-12 21:15
Humidity
32%
Wind
7.6 km/h NW
Wind Gust
15.9 km/h
Pressure
1001 mb
Visibility
10 km
UV Index
0
(Low)
Precipitation
0 mm
Cloud Cover
0%
Dew Point
0.7°C
Wind Degree
318°
Air Quality Index
US EPA: Good
UK DEFRA: Low (1)
CO
175.9 μg/m³
NO₂
3.5 μg/m³
O₃
66 μg/m³
SO₂
1.7 μg/m³
PM 2.5
8.8 μg/m³
PM 10
9.7 μg/m³
Weather Alerts 1
Met
· Severe · Expected
Red Flag Warning issued April 12 at 10:15AM CDT until April 12 at 7:00PM CDT by NWS Aberdeen SD
* AFFECTED AREA...In South Dakota, Stanley, Hughes, Jones, Lyman and Buffalo. * WINDS...West 15 to 25 mph with gusts up to 35 mph. * RELATIVE HUMIDITY...15 to 25 percent. * IMPACTS...Any fires that ignite will spread rapidly and become difficult to control or suppress.
A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of strong winds, low relative humidity, and warm temperatures can contribute to extreme fire behavior.
Today's Hourly Forecast
24-hour breakdown for Gettysburg, South Dakota
12 AM
13°
Clear
1 AM
12°
Clear
2 AM
12°
Clear
3 AM
12°
Clear
4 AM
12°
Clear
5 AM
11°
Clear
6 AM
11°
Clear
7 AM
11°
Clear
8 AM
12°
Sunny
9 AM
13°
Sunny
10 AM
14°
Sunny
11 AM
17°
Sunny
12 PM
19°
Sunny
1 PM
20°
Sunny
2 PM
22°
Sunny
3 PM
23°
Sunny
4 PM
23°
Sunny
5 PM
23°
Sunny
6 PM
23°
Sunny
7 PM
21°
Sunny
8 PM
19°
Sunny
9 PM
18°
Clear
10 PM
17°
Clear
11 PM
16°
Clear
3-Day Forecast
Daily overview for Gettysburg, South Dakota
Today
Sunny
24°
/
11°
🌧️ 0% chance of rain
💧 Avg. humidity: 55%
💨 Max wind: 31.7 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 1.6
🌅 Sunrise: 07:00 AM
🌇 Sunset: 08:22 PM
🌙 Waning Crescent
🌑 Moon: 33% lit
Mon, Apr 13
Overcast
15°
/
9°
🌧️ 0% chance of rain
💧 Avg. humidity: 81%
💨 Max wind: 46.8 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 1.4
🌅 Sunrise: 06:58 AM
🌇 Sunset: 08:23 PM
🌙 Waning Crescent
🌑 Moon: 23% lit
Tue, Apr 14
Overcast
12°
/
6°
🌧️ 0% chance of rain
💧 Avg. humidity: 77%
💨 Max wind: 16.6 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 1.2
🌅 Sunrise: 06:57 AM
🌇 Sunset: 08:24 PM
🌙 Waning Crescent
🌑 Moon: 15% lit
Best Time to Visit Gettysburg
Plan your trip to Gettysburg, United States around the most favorable weather conditions.
Peak Season
June – September
Warm, dry summers — ideal for outdoor activities.
Shoulder Season
April – May, October
Fewer crowds, moderate prices, mild weather.
Off Season
November – March
Cooler temperatures; some regions may experience rain or snow.
Frequently Asked Questions
What is the current weather in Gettysburg?
Current conditions in Gettysburg: Clear, temperature 18°C, humidity 32%.
What is the best time to visit Gettysburg?
The best time to visit Gettysburg is typically June – September. Warm, dry summers — ideal for outdoor activities.
What is the climate like in Gettysburg?
Gettysburg is located at approximately 45° latitude. It has a temperate climate with warm summers and cold winters.
Does it rain a lot in Gettysburg?
The wettest period in Gettysburg is typically during November – March. Cooler temperatures; some regions may experience rain or snow.
What should I pack for a trip to Gettysburg?
For visits to Gettysburg during June – September: light clothing and sun protection. For November – March: layers and a waterproof jacket are recommended.
What country is Gettysburg in?
Gettysburg is located in United States, in the state of South Dakota.
What are the public holidays in Gettysburg in 2026?
View the 2026 public holidays for Gettysburg on our Holidays page.
What are the GPS coordinates used for the weather forecast in Gettysburg?
The weather forecast for Gettysburg uses coordinates 45.0116, -99.9557.