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Jacob, IL Weather Tomorrow

Looking for tomorrow's weather in Jacob? Explore a complete 5 day forecast featuring 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 Jacob area and around Jackson county, Illinois.
Updated: Wed Nov 4th 2026 4:00 AM CST
Jacob, IL Weather – 11-4 – Sunny
66° / 52°
Sunny
Daytime highs will reach 66°F with lows dropping to 52°F in Jacob, where it will be sunny. Rainfall predicted to have a 57% chance with an estimated 0.07in. Wind will be moderate, blowing around 14mph on average and gusts of 22.6mph at 10 PM. The humidity will be on the higher side, averaging about 75%, the maximum being 96% at 6 AM and 52% being its lowest at 3 PM. Barometric pressure is its highest of 29.87inHg at 11 PM, a lowest point of 29.78inHg at 5 AM with an avg 29.82inHg.
Jacob, IL Weather – 11-5 – Sunny
71° / 48°

Weather Tomorrow

Sunny
Highs will reach 71°F with lows near 48°F in Jacob, where a sunny day is. There's a very small chance of rainfall, only about 3%. Wind will be moderate, blowing around 12mph on average and gusts of 19.5mph at 1 AM. Humidity levels should be comfortable, sitting around 57% on average, the maximum being 80% at 6 AM and 38% being its lowest at 1 PM. Barometric pressure is its highest of 29.97inHg at 11 PM, a lowest point of 29.86inHg at 4 PM with an avg 29.91inHg.
Jacob, IL Weather – 11-6 – Sunny
56° / 40°
Sunny
In Jacob, it will be sunny with highs near 56°F and lows around 40°F. Rainfall predicted to have a 59% chance with an estimated 0.07in. Wind will be moderate, blowing around 13mph on average and gusts of 19.5mph at 9 PM. The humidity will be on the higher side, averaging about 73%, the maximum being 93% at 6 AM and 55% being its lowest at 4 PM. Barometric pressure is its highest of 30.18inHg at 9 PM, a lowest point of 29.99inHg at 12 AM with an avg 30.08inHg.
Jacob, IL Weather – 11-7 – Overcast
54° / 36°
Overcast
Skies will be overcast in Jacob, with a high of 54°F and a low of 36°F. There's a very small chance of rainfall, only about 9%. Winds will be light at 10mph and gusts of 13.2mph at 10 PM. Humidity levels should be comfortable, sitting around 59% on average, the maximum being 81% at 6 AM and 40% being its lowest at 1 PM. Barometric pressure is its highest of 30.25inHg at 8 AM, a lowest point of 30.16inHg at 3 PM with an avg 30.21inHg.
Jacob, IL Weather – 11-8 – Overcast
56° / 39°
Overcast
Jacob may see overcast, with daytime highs of 56°F and overnight lows near 39°F. There might be light rainfall having a 12% chance with an estimated 0in. Winds will be light at 9mph and gusts of 13.7mph at 7 AM. The humidity will be on the higher side, averaging about 63%, the maximum being 84% at 6 AM and 37% being its lowest at 2 PM. Barometric pressure is its highest of 30.32inHg at 8 AM, a lowest point of 30.2inHg at 12 AM with an avg 30.26inHg.
Jacob, IL Weather – 11-9 – Sunny
61° / 40°
Sunny
In Jacob, bright and sunny conditions with highs near 61°F and lows around 40°F. There's a very small chance of rainfall, only about 6%. Winds will be light at 6mph and gusts of 15.2mph at 12 PM. The humidity will be on the higher side, averaging about 67%, the maximum being 85% at 3 AM and 46% being its lowest at 12 PM. Barometric pressure is its highest of 30.28inHg at 6 AM, a lowest point of 30.16inHg at 10 PM with an avg 30.23inHg.

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