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About Custer State ParkCuster State Park, SD 14 Day Weather
13329 US Highway 16A, Custer, SD 57730 (605) 255-4515Quick Weather Clicks
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Custer State Park, SD Weather Forecast
Custer State Park, SD Weather Forecast Dated: 429 AM Mon Aug 10 2026 (Custer State Park Time)
Mon, 10th Lo: 18°C64°F Hi: 35°C94°F |
Sunny Monday, temperatures as high as 94°F35°C, low temperature around 64°F18°C, chance of rain 1%, wind out of the NNW 13 mph22 km/h. Barometric pressure 29.8 in1009 mb, visibility 6 mi10 km, humidity 30%. |
| Tue, 11th Lo: 19°C67°F Hi: 30°C86°F |
Sunny Tuesday, temperatures as high as 86°F30°C, low temperature around 67°F19°C, chance of rain 36%, wind out of the ENE 13 mph21 km/h. Barometric pressure 29.83 in1010 mb, visibility 6 mi10 km, humidity 37%. |
| Wed, 12th Lo: 15°C59°F Hi: 31°C88°F |
Sunny Wednesday, temperatures as high as 88°F31°C, low temperature around 59°F15°C, chance of rain 62%, wind out of the ENE 13 mph22 km/h. Barometric pressure 29.88 in1012 mb, visibility 6 mi10 km, humidity 59%. |
Thu, 13th Lo: 13°C55°F Hi: 20°C68°F |
Chance of showers Thursday, temperatures as high as 68°F20°C, low temperature around 55°F13°C, chance of rain 88%, wind out of the E 15 mph24 km/h. Barometric pressure 29.97 in1015 mb, visibility 5 mi8 km, humidity 92%. |
| Fri, 14th Lo: 13°C55°F Hi: 19°C66°F |
Light rain shower Friday, temperatures as high as 66°F19°C, low temperature around 55°F13°C, chance of rain 88%, wind out of the SE 11 mph17 km/h. Barometric pressure 29.97 in1015 mb, visibility 4 mi6 km, humidity 92%. |
| Sat, 15th Lo: 14°C58°F Hi: 19°C66°F |
Chance of showers Saturday, temperatures as high as 66°F19°C, low temperature around 58°F14°C, chance of rain 84%, wind out of the N 6 mph9 km/h. Barometric pressure 30.12 in1020 mb, visibility 6 mi10 km, humidity 84%. |
| Sun, 16th Lo: 14°C58°F Hi: 25°C78°F |
Sunny Sunday, temperatures as high as 78°F25°C, low temperature around 58°F14°C, chance of rain 17%, wind out of the SE 13 mph20 km/h. Barometric pressure 30.12 in1020 mb, visibility 6 mi10 km, humidity 68%. |
| Mon, 17th Lo: 18°C64°F Hi: 31°C88°F |
Sunny Monday, temperatures as high as 88°F31°C, low temperature around 64°F18°C, chance of rain 17%, wind out of the W 16 mph26 km/h. Barometric pressure 29.91 in1013 mb, visibility 6 mi10 km, humidity 49%. |
| Tue, 18th Lo: 20°C68°F Hi: 31°C88°F |
Sunny Tuesday, temperatures as high as 88°F31°C, low temperature around 68°F20°C, chance of rain 1%, wind out of the W 11 mph18 km/h. Barometric pressure 29.85 in1011 mb, visibility 6 mi10 km, humidity 35%. |
| Wed, 19th Lo: 20°C68°F Hi: 32°C89°F |
Sunny Wednesday, temperatures as high as 89°F32°C, low temperature around 68°F20°C, chance of rain 2%, wind out of the N 10 mph15 km/h. Barometric pressure 29.85 in1011 mb, visibility 6 mi10 km, humidity 36%. |
| Thu, 20th Lo: 15°C60°F Hi: 26°C79°F |
Sunny Thursday, temperatures as high as 79°F26°C, low temperature around 60°F15°C, chance of rain 57%, wind out of the E 10 mph17 km/h. Barometric pressure 29.97 in1015 mb, visibility 6 mi10 km, humidity 46%. |
| Fri, 21st Lo: 16°C61°F Hi: 29°C85°F |
Sunny Friday, temperatures as high as 85°F29°C, low temperature around 61°F16°C, chance of rain 4%, wind out of the SW 13 mph21 km/h. Barometric pressure 29.83 in1010 mb, visibility 6 mi10 km, humidity 51%. |
| Sat, 22nd Lo: 17°C63°F Hi: 28°C83°F |
Sunny Saturday, temperatures as high as 83°F28°C, low temperature around 63°F17°C, chance of rain 57%, wind out of the WSW 7 mph12 km/h. Barometric pressure 29.8 in1009 mb, visibility 6 mi10 km, humidity 52%. |
| Sun, 23rd Lo: 15°C60°F Hi: 29°C84°F |
Sunny Sunday, temperatures as high as 84°F29°C, low temperature around 60°F15°C, chance of rain 36%, wind out of the SE 13 mph20 km/h. Barometric pressure 29.88 in1012 mb, visibility 6 mi10 km, humidity 60%. |
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