Lake Preston, SD Weather Forecast for 5-Days

Updated: Thu May 14th 2026 8:45 PM CDT

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Lake Preston, SD Weather – 5-14 – Sunny
84° / 58°
Sunny
Lake Preston is set for a sunny day with temperatures peaking at 84°F and dipping to 58°F. Winds will be strong at speeds peaking at 28mph and gusts of 11.3mph at 11 PM. Humidity levels should be comfortable, sitting around 32% on average, the maximum being 31% at 11 PM and 27% being its lowest at 9 PM. Barometric pressure is its highest of 29.65inHg at 11 PM, a lowest point of 29.62inHg at 9 PM with an avg 29.64inHg.
Lake Preston, SD Weather – 5-15 – Sunny
79° / 53°

Weather Tomorrow

Sunny
Daytime highs will reach 79°F with lows dropping to 53°F in Lake Preston, where bright and sunny conditions. Wind will be moderate, blowing around 12mph on average and gusts of 16.4mph at 3 AM. Humidity levels should be comfortable, sitting around 34% on average, the maximum being 55% at 7 AM and 22% being its lowest at 2 PM. Barometric pressure is its highest of 29.71inHg at 7 AM, a lowest point of 29.63inHg at 5 PM with an avg 29.66inHg.
Lake Preston, SD Weather – 5-16 – Sunny
79° / 54°
Sunny
It will be sunny in Lake Preston, with a high of 79°F and a low of 54°F. Winds will be strong at speeds peaking at 21mph and gusts of 34.9mph at 11 PM. Humidity levels should be comfortable, sitting around 33% on average, the maximum being 45% at 7 AM and 22% being its lowest at 1 PM. Barometric pressure is its highest of 29.8inHg at 8 AM, a lowest point of 29.65inHg at 12 AM with an avg 29.74inHg.
Lake Preston, SD Weather – 5-17 – Heavy Rain
74° / 54°
Heavy Rain
Highs will reach 74°F with lows near 54°F in Lake Preston, where rain showers are. The chance of rain is 84% with an estimated 1.39in. Winds will be strong at speeds peaking at 25mph and gusts of 38.7mph at 6 AM. The humidity will be on the higher side, averaging about 78%, the maximum being 96% at 9 PM and 33% being its lowest at 12 AM. Barometric pressure is its highest of 29.72inHg at 12 AM, a lowest point of 29.38inHg at 11 PM with an avg 29.53inHg.
Lake Preston, SD Weather – 5-18 – Moderate Rain
53° / 41°
Moderate Rain
Lake Preston may see rain, with daytime highs of 53°F and overnight lows near 41°F. The chance of rain is 76% with an estimated 0.62in. Winds will be strong at speeds peaking at 21mph and gusts of 28.9mph at 10 PM. High humidity with average of 91% is anticipated, the maximum being 97% at 12 AM and 82% being its lowest at 4 PM. Barometric pressure is its highest of 29.82inHg at 11 PM, a lowest point of 29.45inHg at 1 AM with an avg 29.65inHg.
Lake Preston, SD Weather – 5-19 – Scattered Showers
48° / 40°
Scattered Showers
Lake Preston may see passing showers, with daytime highs of 48°F and overnight lows near 40°F. The chance of rain is 85% with an estimated 0.01in. Wind will be moderate, blowing around 19mph on average and gusts of 26.8mph at 2 AM. High humidity with average of 86% is anticipated, the maximum being 96% at 2 AM and 61% being its lowest at 7 PM. Barometric pressure is its highest of 30.12inHg at 11 PM, a lowest point of 29.84inHg at 12 AM with an avg 29.99inHg.

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