Glenham, SD Weather Tomorrow

View tomorrow's local forecast for Glenham together with a detailed 5 day weather outlook showing precipitation potential, daytime and nighttime forecasts, temperature highs and lows in Fahrenheit and Celsius, sunrise and sunset times, cloud cover, wind chill, wind speed, and wind direction for the Glenham area and around Walworth county, South Dakota.
Updated: Mon Sep 7th 2026 1:00 PM CDT
Glenham, SD Weather – 9-7 – Overcast
94° / 67°
Overcast
Skies will be overcast in Glenham, with a high of 94°F and a low of 67°F. The chance of rain is 79% with an estimated 3.4in. Wind will be moderate, blowing around 19mph on average and gusts of 22.4mph at 2 PM. The humidity will be on the higher side, averaging about 69%, the maximum being 85% at 3 PM and 26% being its lowest at 6 PM. Barometric pressure is its highest of 29.66inHg at 2 PM, a lowest point of 29.55inHg at 7 PM with an avg 29.59inHg.
Glenham, SD Weather – 9-8 – Sunny
84° / 66°

Weather Tomorrow

Sunny
In Glenham, it will be sunny with highs near 84°F and lows around 66°F. There's a very small chance of rainfall, only about 2%. Winds will be strong at speeds peaking at 23mph and gusts of 30.9mph at 3 PM. Humidity levels should be comfortable, sitting around 33% on average, the maximum being 49% at 11 PM and 18% being its lowest at 3 PM. Barometric pressure is its highest of 29.98inHg at 10 PM, a lowest point of 29.65inHg at 12 AM with an avg 29.86inHg.
Glenham, SD Weather – 9-9 – Sunny
79° / 57°
Sunny
Highs will reach 79°F with lows near 57°F in Glenham, where sunshine is. There might be light rainfall having a 17% chance with an estimated 0in. Wind will be moderate, blowing around 16mph on average and gusts of 26.6mph at 7 AM. Humidity levels should be comfortable, sitting around 38% on average, the maximum being 58% at 8 AM and 19% being its lowest at 6 PM. Barometric pressure is its highest of 30.09inHg at 9 AM, a lowest point of 29.92inHg at 6 PM with an avg 30inHg.
Glenham, SD Weather – 9-10 – Sunny
89° / 63°
Sunny
A sunny day is in the forecast for Glenham, with a high of 89°F and a low of 63°F. There's a very small chance of rainfall, only about 1%. Wind will be moderate, blowing around 13mph on average and gusts of 20.4mph at 5 AM. The air will be relatively dry with average humidity levels below 30%, the maximum being 50% at 7 AM and 10% being its lowest at 5 PM. Barometric pressure is its highest of 29.98inHg at 12 AM, a lowest point of 29.59inHg at 7 PM with an avg 29.81inHg.
Glenham, SD Weather – 9-11 – Sunny
79° / 59°
Sunny
Glenham may see a sunny day, with daytime highs of 79°F and overnight lows near 59°F. There's a very small chance of rainfall, only about 3%. Wind will be moderate, blowing around 20mph on average and gusts of 32mph at 5 AM. Humidity levels should be comfortable, sitting around 30% on average, the maximum being 56% at 8 AM and 16% being its lowest at 12 AM. Barometric pressure is its highest of 29.95inHg at 11 PM, a lowest point of 29.54inHg at 4 AM with an avg 29.79inHg.
Glenham, SD Weather – 9-12 – Overcast
80° / 54°
Overcast
Skies will be overcast in Glenham, with a high of 80°F and a low of 54°F. There might be light rainfall having a 17% chance with an estimated 0in. Wind will be moderate, blowing around 18mph on average and gusts of 35.6mph at 10 PM. Humidity levels should be comfortable, sitting around 37% on average, the maximum being 53% at 7 AM and 21% being its lowest at 4 PM. Barometric pressure is its highest of 29.99inHg at 7 AM, a lowest point of 29.71inHg at 7 PM with an avg 29.88inHg.

Currently

Heavy Rain 72°F
29.7 inHg.
Barometer
90%
Humidity
SSE 27 mph
Wind
Heavy Rain

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