Millersburg, IL Weather Tomorrow

Planning ahead? View tomorrow's Millersburg weather along with a complete 5 day forecast that includes daily precipitation forecasts, changing sky conditions, daytime highs, overnight lows, Fahrenheit and Celsius temperatures, sunrise, sunset, wind chill, and local wind details for the Millersburg area and around Mercer county, Illinois.
Updated: Thu Sep 24th 2026 11:30 AM CDT
Millersburg, IL Weather – 9-24 – Overcast
69° / 54°
Overcast
Daytime highs will reach 69°F with lows dropping to 54°F in Millersburg, where it will be overcast. There might be light rainfall having a 17% chance. Winds will be light at 10mph and gusts of 13.9mph at 9 PM. The humidity will be on the higher side, averaging about 79%, the maximum being 83% at 8 PM and 61% being its lowest at 3 PM. Barometric pressure is its highest of 30.27inHg at 12 PM, a lowest point of 30.22inHg at 3 PM with an avg 30.24inHg.
Millersburg, IL Weather – 9-25 – Scattered Showers
64° / 56°

Weather Tomorrow

Scattered Showers
Daytime highs will reach 64°F with lows dropping to 56°F in Millersburg, where showers likely at times. The chance of rain is 81% with an estimated 0.09in. Winds will be light at 8mph and gusts of 16.6mph at 1 AM. High humidity with average of 89% is anticipated, the maximum being 95% at 8 PM and 81% being its lowest at 12 AM. Barometric pressure is its highest of 30.26inHg at 10 AM, a lowest point of 30.19inHg at 5 PM with an avg 30.22inHg.
Millersburg, IL Weather – 9-26 – Overcast
67° / 56°
Overcast
In Millersburg, overcast is likely with a high near 67°F and a low around 56°F. There might be light rainfall having a 25% chance with an estimated 0in. Wind will be moderate, blowing around 11mph on average and gusts of 16.8mph at 2 AM. The humidity will be on the higher side, averaging about 72%, the maximum being 91% at 12 AM and 53% being its lowest at 2 PM. Barometric pressure is its highest of 30.19inHg at 12 AM, a lowest point of 30.09inHg at 5 PM with an avg 30.14inHg.
Millersburg, IL Weather – 9-27 – Overcast
70° / 58°
Overcast
In Millersburg, skies will be overcast with highs near 70°F and lows around 58°F. There's a very small chance of rainfall, only about 10%. Winds will be light at 8mph and gusts of 14.8mph at 11 PM. The humidity will be on the higher side, averaging about 64%, the maximum being 74% at 10 PM and 51% being its lowest at 3 PM. Barometric pressure is its highest of 30.13inHg at 10 AM, a lowest point of 30.05inHg at 5 PM with an avg 30.09inHg.
Millersburg, IL Weather – 9-28 – Overcast
71° / 55°
Overcast
Millersburg is set for overcast with temperatures peaking at 71°F and dipping to 55°F. There's a very small chance of rainfall, only about 8%. Winds will be light at 9mph and gusts of 16.8mph at 11 PM. The humidity will be on the higher side, averaging about 62%, the maximum being 78% at 8 AM and 45% being its lowest at 4 PM. Barometric pressure is its highest of 30.08inHg at 7 AM, a lowest point of 29.94inHg at 11 PM with an avg 30.02inHg.
Millersburg, IL Weather – 9-29 – Overcast
74° / 59°
Overcast
In Millersburg, skies will be overcast with highs near 74°F and lows around 59°F. The chance of rain is 82% with an estimated 1.9in. Wind will be moderate, blowing around 18mph on average and gusts of 34mph at 7 PM. The humidity will be on the higher side, averaging about 68%, the maximum being 97% at 7 PM and 55% being its lowest at 11 AM. Barometric pressure is its highest of 29.93inHg at 12 AM, a lowest point of 29.64inHg at 7 PM with an avg 29.79inHg.

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