Amherst, SD Weather Tomorrow

Keep up with changing weather in Amherst using tomorrow's forecast and the next 5 days of 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 Amherst area and around Marshall county, South Dakota.
Updated: Mon Sep 21st 2026 12:45 PM CDT
Amherst, SD Weather – 9-21 – Overcast
62° / 49°
Overcast
Amherst may see cloud-filled skies, with daytime highs of 62°F and overnight lows near 49°F. There might be light rainfall having a 24% chance with an estimated 0.01in. Wind will be moderate, blowing around 13mph on average and gusts of 16.8mph at 8 PM. The humidity will be on the higher side, averaging about 63%, the maximum being 70% at 11 PM and 49% being its lowest at 2 PM. Barometric pressure is its highest of 30.28inHg at 11 PM, a lowest point of 30.18inHg at 5 PM with an avg 30.21inHg.
Amherst, SD Weather – 9-22 – Cloudy
61° / 49°

Weather Tomorrow

Cloudy
In Amherst, skies will be cloudy with highs near 61°F and lows around 49°F. There might be light rainfall having a 11% chance. Wind will be moderate, blowing around 15mph on average and gusts of 24.2mph at 11 PM. The humidity will be on the higher side, averaging about 68%, the maximum being 89% at 6 AM and 52% being its lowest at 4 PM. Barometric pressure is its highest of 30.3inHg at 2 AM, a lowest point of 30.18inHg at 5 PM with an avg 30.25inHg.
Amherst, SD Weather – 9-23 – Overcast
64° / 52°
Overcast
In Amherst, it will be overcast with highs near 64°F and lows around 52°F. The chance of rain is 77% with an estimated 0.16in. Winds will be strong at speeds peaking at 21mph and gusts of 35.6mph at 11 PM. The humidity will be on the higher side, averaging about 76%, the maximum being 87% at 11 PM and 59% being its lowest at 1 PM. Barometric pressure is its highest of 30.22inHg at 1 AM, a lowest point of 30.09inHg at 7 PM with an avg 30.15inHg.
Amherst, SD Weather – 9-24 – Overcast
62° / 56°
Overcast
Amherst could see cloud-filled skies with daytime highs of 62°F and nighttime lows near 56°F. The chance of rain is 79% with an estimated 0.09in. Wind will be moderate, blowing around 16mph on average and gusts of 35.1mph at 2 AM. High humidity with average of 86% is anticipated, the maximum being 93% at 7 AM and 79% being its lowest at 12 PM. Barometric pressure is its highest of 30.14inHg at 10 PM, a lowest point of 30.09inHg at 6 AM with an avg 30.11inHg.
Amherst, SD Weather – 9-25 – Overcast
65° / 53°
Overcast
Amherst is set for cloud-filled skies with temperatures peaking at 65°F and dipping to 53°F. There's a moderate 26% chance of rainfall with an estimated 0in. Wind will be moderate, blowing around 17mph on average and gusts of 23.9mph at 11 PM. The humidity will be on the higher side, averaging about 78%, the maximum being 89% at 7 AM and 58% being its lowest at 1 PM. Barometric pressure is its highest of 30.2inHg at 7 AM, a lowest point of 30.03inHg at 12 PM with an avg 30.12inHg.
Amherst, SD Weather – 9-26 – Overcast
62° / 53°
Overcast
Amherst could see overcast with daytime highs of 62°F and nighttime lows near 53°F. There's a moderate 28% chance of rainfall with an estimated 0in. Wind will be moderate, blowing around 18mph on average and gusts of 25.7mph at 10 AM. The humidity will be on the higher side, averaging about 79%, the maximum being 86% at 7 AM and 68% being its lowest at 4 PM. Barometric pressure is its highest of 30.11inHg at 12 AM, a lowest point of 29.96inHg at 4 PM with an avg 30.03inHg.

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