Union Center, SD Weather Tomorrow

Check tomorrow's weather in Union Center with a detailed 5 day forecast covering precipitation probability, daily and nightly weather conditions, high and low temperature trends, sunrise and sunset information, sky cover, wind speed, wind direction, and wind chill for the Union Center area and around Meade county, South Dakota.
Updated: Sun Sep 27th 2026 4:15 PM MDT
Union Center, SD Weather – 9-27 – Sunny
70° / 54°
Sunny
Highs will reach 70°F with lows near 54°F in Union Center, where a sunny day is. There's a moderate 36% chance of rainfall with an estimated 0.03in. Wind will be moderate, blowing around 15mph on average and gusts of 28.2mph at 11 PM. Humidity levels should be comfortable, sitting around 49% on average, the maximum being 83% at 11 PM and 50% being its lowest at 5 PM. Barometric pressure is its highest of 30.04inHg at 5 PM, a lowest point of 29.98inHg at 11 PM with an avg 30.02inHg.
Union Center, SD Weather – 9-28 – Overcast
80° / 59°

Weather Tomorrow

Overcast
Union Center is set for cloud-filled skies with temperatures peaking at 80°F and dipping to 59°F. There might be light rainfall having a 23% chance with an estimated 0.01in. Wind will be moderate, blowing around 20mph on average and gusts of 33.6mph at 7 AM. The humidity will be on the higher side, averaging about 61%, the maximum being 95% at 2 AM and 34% being its lowest at 1 PM. Barometric pressure is its highest of 29.95inHg at 12 AM, a lowest point of 29.61inHg at 8 PM with an avg 29.71inHg.
Union Center, SD Weather – 9-29 – Overcast
78° / 62°
Overcast
Union Center could see overcast with daytime highs of 78°F and nighttime lows near 62°F. There's a very small chance of rainfall, only about 7%. Winds will be light at 9mph and gusts of 16.8mph at 12 PM. Humidity levels should be comfortable, sitting around 55% on average, the maximum being 77% at 7 AM and 30% being its lowest at 5 PM. Barometric pressure is its highest of 29.7inHg at 8 AM, a lowest point of 29.57inHg at 4 PM with an avg 29.63inHg.
Union Center, SD Weather – 9-30 – Overcast
77° / 59°
Overcast
Union Center is set for overcast with temperatures peaking at 77°F and dipping to 59°F. There's a very small chance of rainfall, only about 7%. Winds will be strong at speeds peaking at 22mph and gusts of 32mph at 10 PM. Humidity levels should be comfortable, sitting around 42% on average, the maximum being 60% at 2 AM and 27% being its lowest at 1 PM. Barometric pressure is its highest of 30.01inHg at 11 PM, a lowest point of 29.61inHg at 4 AM with an avg 29.71inHg.
Union Center, SD Weather – 10-1 – Sunny
70° / 48°
Sunny
Union Center is set for a sunny day with temperatures peaking at 70°F and dipping to 48°F. There's a very small chance of rainfall, only about 3%. Wind will be moderate, blowing around 20mph on average and gusts of 28.5mph at 1 AM. Humidity levels should be comfortable, sitting around 44% on average, the maximum being 54% at 11 PM and 23% being its lowest at 1 PM. Barometric pressure is its highest of 30.3inHg at 10 AM, a lowest point of 29.94inHg at 3 PM with an avg 30.08inHg.
Union Center, SD Weather – 10-2 – Sunny
80° / 56°
Sunny
In Union Center, a sunny day is likely with a high near 80°F and a low around 56°F. There's a very small chance of rainfall, only about 3%. Wind will be moderate, blowing around 19mph on average and gusts of 30.7mph at 3 AM. Humidity levels should be comfortable, sitting around 50% on average, the maximum being 68% at 6 AM and 32% being its lowest at 4 PM. Barometric pressure is its highest of 30inHg at 9 AM, a lowest point of 29.82inHg at 5 PM with an avg 29.92inHg.

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