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Lake Sinai, SD 14 Day Weather - WeatherWorld.com
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Lake Sinai, SD Weather Forecast
Lake Sinai, SD Weather Forecast Dated: 333 AM Sun Aug 30 2026 (Lake Sinai Time)
Sun, 30th Lo: 20°C67°F Hi: 32°C89°F |
Overcast Sunday, temperatures as high as 89°F32°C, low temperature around 67°F20°C, chance of rain 14%, wind out of the SE 5 mph8 km/h. Barometric pressure 29.74 in1007 mb, visibility 6 mi10 km, humidity 59%. |
| Mon, 31st Lo: 21°C69°F Hi: 30°C86°F |
Overcast Monday, temperatures as high as 86°F30°C, low temperature around 69°F21°C, chance of rain 9%, wind out of the NW 4 mph6 km/h. Barometric pressure 29.85 in1011 mb, visibility 6 mi10 km, humidity 25%. |
Tue, 1st Lo: 16°C62°F Hi: 29°C84°F |
Chance of showers Tuesday, temperatures as high as 84°F29°C, low temperature around 62°F16°C, chance of rain 19%, wind out of the SSW 3 mph4 km/h. Barometric pressure 29.8 in1009 mb, visibility 6 mi10 km, humidity 59%. |
Wed, 2nd Lo: 18°C64°F Hi: 32°C89°F |
Sunny Wednesday, temperatures as high as 89°F32°C, low temperature around 64°F18°C, chance of rain 1%, wind out of the SE 6 mph10 km/h. Barometric pressure 29.88 in1012 mb, visibility 6 mi10 km, humidity 45%. |
Thu, 3rd Lo: 21°C70°F Hi: 34°C93°F |
Partly Cloudy Thursday, temperatures as high as 93°F34°C, low temperature around 70°F21°C, chance of rain 5%, wind out of the SSE 13 mph21 km/h. Barometric pressure 29.83 in1010 mb, visibility 6 mi10 km, humidity 50%. |
| Fri, 4th Lo: 21°C70°F Hi: 33°C92°F |
Sunny Friday, temperatures as high as 92°F33°C, low temperature around 70°F21°C, chance of rain 1%, wind out of the ESE 10 mph16 km/h. Barometric pressure 29.83 in1010 mb, visibility 6 mi10 km, humidity 30%. |
| Sat, 5th Lo: 22°C71°F Hi: 29°C84°F |
Partly Cloudy Saturday, temperatures as high as 84°F29°C, low temperature around 71°F22°C, chance of rain 6%, wind out of the NNW 8 mph13 km/h. Barometric pressure 29.83 in1010 mb, visibility 6 mi10 km, humidity 46%. |
| Sun, 6th Lo: 14°C57°F Hi: 23°C74°F |
Sunny Sunday, temperatures as high as 74°F23°C, low temperature around 57°F14°C, chance of rain 1%, wind out of the NNW 12 mph19 km/h. Barometric pressure 30.06 in1018 mb, visibility 6 mi10 km, humidity 27%. |
| Mon, 7th Lo: 16°C60°F Hi: 28°C82°F |
Chance of showers Monday, temperatures as high as 82°F28°C, low temperature around 60°F16°C, chance of rain 10%, wind out of the S 14 mph22 km/h. Barometric pressure 29.77 in1008 mb, visibility 6 mi10 km, humidity 40%. |
| Tue, 8th Lo: 14°C58°F Hi: 35°C95°F |
Sunny Tuesday, temperatures as high as 95°F35°C, low temperature around 58°F14°C, chance of rain 1%, wind out of the S 11 mph17 km/h. Barometric pressure 29.65 in1004 mb, visibility 6 mi10 km, humidity 24%. |
| Wed, 9th Lo: 19°C65°F Hi: 26°C79°F |
Sunny Wednesday, temperatures as high as 79°F26°C, low temperature around 65°F19°C, chance of rain 4%, wind out of the NE 11 mph18 km/h. Barometric pressure 29.8 in1009 mb, visibility 6 mi10 km, humidity 24%. |
| Thu, 10th Lo: 18°C64°F Hi: 28°C83°F |
Chance of showers Thursday, temperatures as high as 83°F28°C, low temperature around 64°F18°C, chance of rain 2%, wind out of the ESE 19 mph31 km/h. Barometric pressure 29.8 in1009 mb, visibility 6 mi10 km, humidity 33%. |
| Fri, 11th Lo: 16°C61°F Hi: 40°C104°F |
Sunny Friday, temperatures as high as 104°F40°C, low temperature around 61°F16°C, chance of rain 1%, wind out of the SSE 23 mph36 km/h. Barometric pressure 29.62 in1003 mb, visibility 6 mi10 km, humidity 34%. |
| Sat, 12th Lo: 22°C72°F Hi: 34°C94°F |
Sunny Saturday, temperatures as high as 94°F34°C, low temperature around 72°F22°C, chance of rain 6%, wind out of the N 9 mph14 km/h. Barometric pressure 29.91 in1013 mb, visibility 6 mi10 km, humidity 42%. |
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