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Seneca SD Weather - Mostly Cloudy - 59°F
Mostly Cloudy
59°F
Updated 4:06 am
Feels Like 61°F
Humidity 100%
Wind W 2 mph
Barometer  30.13 in
Dew Point 59°F
Seneca SD Weather - Mostly Cloudy - 15°C
Mostly Cloudy
15°C
Updated 4:06 am
Feels Like 16°C
Humidity 100%
Wind W 3 km/h
Barometer  102 kPa
Dew Point 15°C
Seneca, SD Weather and Current Conditionsseneca sd weather forecast

Seneca, SD Weather Forecast

Seneca South Dakota WeatherSeneca, South Dakota Weather Weather Forecast
14 day API Seneca, SD weather forecast. Note. Our 7-day weather forecast for Seneca, South Dakota is our most reliable and accurate forecast. This model should only be used as a likely scenario. Forecasting more than 7 days is difficult.
Seneca, SD Weather Forecast Dated: 406 AM Sat Aug 01 2026 (Seneca Time)
Sat, 1st
Seneca SD Weather  - Saturday, Aug 1, 2026 - Sunny
Lo: 16°C62°F
Hi: 35°C94°F
Sunny Saturday, temperatures as high as 94°F35°C, low temperature around 62°F16°C, chance of rain 2%, wind out of the ESE 10 mph16 km/h. Barometric pressure 29.97 in1015 mb, visibility 6 mi10 km, humidity 50%.
Sun, 2nd
Seneca SD Weather  - Sunday, Aug 2, 2026 - Sunny
Lo: 22°C72°F
Hi: 40°C103°F
Sunny Sunday, temperatures as high as 103°F40°C, low temperature around 72°F22°C, chance of rain 2%, wind out of the S 21 mph34 km/h. Barometric pressure 29.74 in1007 mb, visibility 6 mi10 km, humidity 28%.
Mon, 3rd
Seneca SD Weather  - Monday, Aug 3, 2026 - Sunny
Lo: 24°C75°F
Hi: 41°C105°F
Sunny Monday, temperatures as high as 105°F41°C, low temperature around 75°F24°C, chance of rain 57%, wind out of the S 20 mph32 km/h. Barometric pressure 29.59 in1002 mb, visibility 6 mi10 km, humidity 28%.
Tue, 4th
Seneca SD Weather  - Tuesday, Aug 4, 2026 - Sunny
Lo: 15°C59°F
Hi: 27°C80°F
Sunny Tuesday, temperatures as high as 80°F27°C, low temperature around 59°F15°C, chance of rain 57%, wind out of the N 23 mph37 km/h. Barometric pressure 29.97 in1015 mb, visibility 6 mi10 km, humidity 44%.
Wed, 5th
Seneca SD Weather  - Wednesday, Aug 5, 2026 - Sunny
Lo: 13°C55°F
Hi: 27°C81°F
Sunny Wednesday, temperatures as high as 81°F27°C, low temperature around 55°F13°C, chance of rain 36%, wind out of the ESE 9 mph14 km/h. Barometric pressure 30.03 in1017 mb, visibility 6 mi10 km, humidity 38%.
Thu, 6th
Seneca SD Weather  - Thursday, Aug 6, 2026 - Sunny
Lo: 13°C55°F
Hi: 28°C82°F
Sunny Thursday, temperatures as high as 82°F28°C, low temperature around 55°F13°C, chance of rain 2%, wind out of the S 13 mph21 km/h. Barometric pressure 29.97 in1015 mb, visibility 6 mi10 km, humidity 48%.
Fri, 7th
Seneca SD Weather  - Friday, Aug 7, 2026 - Sunny
Lo: 13°C56°F
Hi: 26°C78°F
Sunny Friday, temperatures as high as 78°F26°C, low temperature around 56°F13°C, chance of rain 17%, wind out of the NNW 13 mph20 km/h. Barometric pressure 30.09 in1019 mb, visibility 6 mi10 km, humidity 41%.
Sat, 8th
Seneca SD Weather  - Saturday, Aug 8, 2026 - Sunny
Lo: 13°C55°F
Hi: 30°C86°F
Sunny Saturday, temperatures as high as 86°F30°C, low temperature around 55°F13°C, chance of rain 1%, wind out of the SE 9 mph15 km/h. Barometric pressure 30.03 in1017 mb, visibility 6 mi10 km, humidity 30%.
Sun, 9th
Seneca SD Weather  - Sunday, Aug 9, 2026 - Sunny
Lo: 18°C65°F
Hi: 31°C88°F
Sunny Sunday, temperatures as high as 88°F31°C, low temperature around 65°F18°C, chance of rain 68%, wind out of the SSW 13 mph21 km/h. Barometric pressure 29.88 in1012 mb, visibility 6 mi10 km, humidity 64%.
Mon, 10th
Seneca SD Weather  - Monday, Aug 10, 2026 - Sunny
Lo: 15°C59°F
Hi: 29°C85°F
Sunny Monday, temperatures as high as 85°F29°C, low temperature around 59°F15°C, chance of rain 2%, wind out of the ESE 10 mph16 km/h. Barometric pressure 29.94 in1014 mb, visibility 6 mi10 km, humidity 54%.
Tue, 11th
Seneca SD Weather  - Tuesday, Aug 11, 2026 - Sunny
Lo: 16°C62°F
Hi: 33°C91°F
Sunny Tuesday, temperatures as high as 91°F33°C, low temperature around 62°F16°C, chance of rain 36%, wind out of the SSE 18 mph29 km/h. Barometric pressure 29.91 in1013 mb, visibility 6 mi10 km, humidity 37%.
Wed, 12th
Seneca SD Weather  - Wednesday, Aug 12, 2026 - Sunny
Lo: 18°C65°F
Hi: 35°C95°F
Sunny Wednesday, temperatures as high as 95°F35°C, low temperature around 65°F18°C, chance of rain 57%, wind out of the SSE 21 mph33 km/h. Barometric pressure 29.83 in1010 mb, visibility 6 mi10 km, humidity 55%.
Thu, 13th
Seneca SD Weather  - Thursday, Aug 13, 2026 - Sunny
Lo: 20°C67°F
Hi: 37°C99°F
Sunny Thursday, temperatures as high as 99°F37°C, low temperature around 67°F20°C, chance of rain 2%, wind out of the SE 17 mph27 km/h. Barometric pressure 29.83 in1010 mb, visibility 6 mi10 km, humidity 55%.
Fri, 14th
Seneca SD Weather  - Friday, Aug 14, 2026 - Sunny
Lo: 22°C72°F
Hi: 42°C107°F
Sunny Friday, temperatures as high as 107°F42°C, low temperature around 72°F22°C, chance of rain 1%, wind out of the SSE 17 mph27 km/h. Barometric pressure 29.83 in1010 mb, visibility 6 mi10 km, humidity 46%.

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