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Custer, SD Weather Forecast
Custer, SD Weather Forecast Dated: 516 AM Fri Aug 21 2026 (Custer Time)
Fri, 21st Lo: 18°C65°F Hi: 32°C90°F |
Overcast Friday, temperatures as high as 90°F32°C, low temperature around 65°F18°C, chance of rain 4%, wind out of the N 13 mph21 km/h. Barometric pressure 30 in1016 mb, visibility 6 mi10 km, humidity 33%. |
| Sat, 22nd Lo: 16°C61°F Hi: 27°C80°F |
Overcast Saturday, temperatures as high as 80°F27°C, low temperature around 61°F16°C, chance of rain 17%, wind out of the ENE 11 mph18 km/h. Barometric pressure 30.09 in1019 mb, visibility 6 mi10 km, humidity 52%. |
Sun, 23rd Lo: 16°C61°F Hi: 33°C91°F |
Light rain shower Sunday, temperatures as high as 91°F33°C, low temperature around 61°F16°C, chance of rain 58%, wind out of the WNW 13 mph20 km/h. Barometric pressure 29.85 in1011 mb, visibility 6 mi10 km, humidity 63%. |
Mon, 24th Lo: 18°C64°F Hi: 28°C83°F |
Sunny Monday, temperatures as high as 83°F28°C, low temperature around 64°F18°C, chance of rain 36%, wind out of the N 13 mph21 km/h. Barometric pressure 29.91 in1013 mb, visibility 6 mi10 km, humidity 45%. |
| Tue, 25th Lo: 15°C59°F Hi: 28°C82°F |
Sunny Tuesday, temperatures as high as 82°F28°C, low temperature around 59°F15°C, chance of rain 57%, wind out of the NNE 11 mph17 km/h. Barometric pressure 30 in1016 mb, visibility 6 mi10 km, humidity 43%. |
| Wed, 26th Lo: 17°C62°F Hi: 30°C87°F |
Sunny Wednesday, temperatures as high as 87°F30°C, low temperature around 62°F17°C, chance of rain 3%, wind out of the ESE 9 mph15 km/h. Barometric pressure 29.91 in1013 mb, visibility 6 mi10 km, humidity 51%. |
| Thu, 27th Lo: 19°C67°F Hi: 35°C95°F |
Sunny Thursday, temperatures as high as 95°F35°C, low temperature around 67°F19°C, chance of rain 3%, wind out of the W 14 mph23 km/h. Barometric pressure 29.74 in1007 mb, visibility 6 mi10 km, humidity 29%. |
| Fri, 28th Lo: 20°C69°F Hi: 30°C87°F |
Overcast Friday, temperatures as high as 87°F30°C, low temperature around 69°F20°C, chance of rain 7%, wind out of the W 11 mph18 km/h. Barometric pressure 29.85 in1011 mb, visibility 6 mi10 km, humidity 24%. |
| Sat, 29th Lo: 18°C64°F Hi: 28°C83°F |
Overcast Saturday, temperatures as high as 83°F28°C, low temperature around 64°F18°C, chance of rain 6%, wind out of the SSE 10 mph15 km/h. Barometric pressure 30.06 in1018 mb, visibility 6 mi10 km, humidity 24%. |
| Sun, 30th Lo: 18°C65°F Hi: 34°C93°F |
Sunny Sunday, temperatures as high as 93°F34°C, low temperature around 65°F18°C, chance of rain 3%, wind out of the WSW 15 mph25 km/h. Barometric pressure 29.83 in1010 mb, visibility 6 mi10 km, humidity 34%. |
| Mon, 31st Lo: 20°C67°F Hi: 32°C90°F |
Sunny Monday, temperatures as high as 90°F32°C, low temperature around 67°F20°C, chance of rain 2%, wind out of the WNW 12 mph19 km/h. Barometric pressure 29.77 in1008 mb, visibility 6 mi10 km, humidity 23%. |
| Tue, 1st Lo: 14°C58°F Hi: 25°C77°F |
Overcast Tuesday, temperatures as high as 77°F25°C, low temperature around 58°F14°C, chance of rain 4%, wind out of the ENE 11 mph17 km/h. Barometric pressure 30 in1016 mb, visibility 6 mi10 km, humidity 28%. |
| Wed, 2nd Lo: 16°C60°F Hi: 33°C92°F |
Overcast Wednesday, temperatures as high as 92°F33°C, low temperature around 60°F16°C, chance of rain 61%, wind out of the SSE 22 mph36 km/h. Barometric pressure 29.91 in1013 mb, visibility 6 mi10 km, humidity 40%. |
| Thu, 3rd Lo: 16°C61°F Hi: 33°C91°F |
Overcast Thursday, temperatures as high as 91°F33°C, low temperature around 61°F16°C, chance of rain 11%, wind out of the SW 14 mph23 km/h. Barometric pressure 29.8 in1009 mb, visibility 6 mi10 km, humidity 54%. |
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