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Lake Martha, SD Weather Forecast
Lake Martha, SD Weather Forecast Dated: 659 AM Thu Aug 13 2026 (Lake Martha Time)
Thu, 13th Lo: 19°C67°F Hi: 31°C88°F |
Sunny Thursday, temperatures as high as 88°F31°C, low temperature around 67°F19°C, chance of rain 57%, wind out of the NNE 11 mph17 km/h. Barometric pressure 29.88 in1012 mb, visibility 6 mi10 km, humidity 73%. |
| Fri, 14th Lo: 16°C61°F Hi: 31°C88°F |
Sunny Friday, temperatures as high as 88°F31°C, low temperature around 61°F16°C, chance of rain 36%, wind out of the ESE 16 mph25 km/h. Barometric pressure 29.91 in1013 mb, visibility 6 mi10 km, humidity 62%. |
| Sat, 15th Lo: 17°C63°F Hi: 27°C81°F |
Sunny Saturday, temperatures as high as 81°F27°C, low temperature around 63°F17°C, chance of rain 68%, wind out of the NW 14 mph23 km/h. Barometric pressure 30 in1016 mb, visibility 6 mi10 km, humidity 72%. |
| Sun, 16th Lo: 14°C57°F Hi: 29°C83°F |
Sunny Sunday, temperatures as high as 83°F29°C, low temperature around 57°F14°C, chance of rain 3%, wind out of the N 7 mph12 km/h. Barometric pressure 30.12 in1020 mb, visibility 6 mi10 km, humidity 58%. |
| Mon, 17th Lo: 17°C63°F Hi: 36°C96°F |
Sunny Monday, temperatures as high as 96°F36°C, low temperature around 63°F17°C, chance of rain 57%, wind out of the SW 14 mph22 km/h. Barometric pressure 29.94 in1014 mb, visibility 6 mi10 km, humidity 47%. |
| Tue, 18th Lo: 19°C66°F Hi: 31°C88°F |
Sunny Tuesday, temperatures as high as 88°F31°C, low temperature around 66°F19°C, chance of rain 3%, wind out of the S 10 mph16 km/h. Barometric pressure 29.97 in1015 mb, visibility 6 mi10 km, humidity 49%. |
Wed, 19th Lo: 19°C67°F Hi: 33°C92°F |
Chance of showers Wednesday, temperatures as high as 92°F33°C, low temperature around 67°F19°C, chance of rain 57%, wind out of the NE 9 mph15 km/h. Barometric pressure 29.91 in1013 mb, visibility 6 mi10 km, humidity 53%. |
Thu, 20th Lo: 19°C66°F Hi: 26°C78°F |
Partly Cloudy Thursday, temperatures as high as 78°F26°C, low temperature around 66°F19°C, chance of rain 36%, wind out of the ENE 13 mph21 km/h. Barometric pressure 29.88 in1012 mb, visibility 6 mi10 km, humidity 65%. |
| Fri, 21st Lo: 16°C61°F Hi: 29°C84°F |
Partly Cloudy Friday, temperatures as high as 84°F29°C, low temperature around 61°F16°C, chance of rain 8%, wind out of the SE 8 mph13 km/h. Barometric pressure 30 in1016 mb, visibility 6 mi10 km, humidity 60%. |
| Sat, 22nd Lo: 19°C66°F Hi: 30°C87°F |
Sunny Saturday, temperatures as high as 87°F30°C, low temperature around 66°F19°C, chance of rain 57%, wind out of the SSW 13 mph21 km/h. Barometric pressure 29.88 in1012 mb, visibility 6 mi9 km, humidity 72%. |
| Sun, 23rd Lo: 16°C62°F Hi: 29°C84°F |
Partly Cloudy Sunday, temperatures as high as 84°F29°C, low temperature around 62°F16°C, chance of rain 8%, wind out of the ENE 12 mph20 km/h. Barometric pressure 30 in1016 mb, visibility 6 mi10 km, humidity 66%. |
| Mon, 24th Lo: 17°C63°F Hi: 35°C94°F |
Sunny Monday, temperatures as high as 94°F35°C, low temperature around 63°F17°C, chance of rain 5%, wind out of the WSW 13 mph21 km/h. Barometric pressure 29.85 in1011 mb, visibility 6 mi10 km, humidity 60%. |
| Tue, 25th Lo: 15°C58°F Hi: 31°C88°F |
Sunny Tuesday, temperatures as high as 88°F31°C, low temperature around 58°F15°C, chance of rain 1%, wind out of the N 9 mph14 km/h. Barometric pressure 29.85 in1011 mb, visibility 6 mi10 km, humidity 46%. |
| Wed, 26th Lo: 18°C65°F Hi: 33°C92°F |
Sunny Wednesday, temperatures as high as 92°F33°C, low temperature around 65°F18°C, chance of rain 57%, wind out of the W 14 mph22 km/h. Barometric pressure 29.74 in1007 mb, visibility 6 mi10 km, humidity 42%. |
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