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Serena, IL Weather Tomorrow

Serena weather tomorrow and 5 day forecast with this week's outlook 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 Serena area and around LaSalle county, Illinois.
Updated: Mon Oct 26th 2026 11:30 AM CDT
Serena, IL Weather – 10-26 – Overcast
67° / 52°
Overcast
Serena is set for overcast with temperatures peaking at 67°F and dipping to 52°F. There might be light rainfall having a 15% chance. Wind will be moderate, blowing around 12mph on average and gusts of 22.6mph at 8 PM. The humidity will be on the higher side, averaging about 68%, the maximum being 82% at 10 PM and 55% being its lowest at 3 PM. Barometric pressure is its highest of 30.33inHg at 12 PM, a lowest point of 30.25inHg at 3 PM with an avg 30.28inHg.
Serena, IL Weather – 10-27 – Overcast
69° / 50°

Weather Tomorrow

Overcast
It will be overcast in Serena, with a high of 69°F and a low of 50°F. There might be light rainfall having a 17% chance. Winds will be light at 9mph and gusts of 17.9mph at 12 AM. The humidity will be on the higher side, averaging about 70%, the maximum being 92% at 7 AM and 44% being its lowest at 2 PM. Barometric pressure is its highest of 30.28inHg at 12 AM, a lowest point of 30.17inHg at 4 PM with an avg 30.23inHg.
Serena, IL Weather – 10-28 – Overcast
68° / 54°
Overcast
Serena could see overcast with daytime highs of 68°F and nighttime lows near 54°F. There's a very small chance of rainfall, only about 10%. Winds will be light at 9mph and gusts of 19.3mph at 11 PM. The humidity will be on the higher side, averaging about 66%, the maximum being 78% at 7 AM and 52% being its lowest at 4 PM. Barometric pressure is its highest of 30.23inHg at 9 AM, a lowest point of 30.1inHg at 10 PM with an avg 30.17inHg.
Serena, IL Weather – 10-29 – Scattered Showers
70° / 57°
Scattered Showers
Daytime highs will reach 70°F with lows dropping to 57°F in Serena, where showers likely at times. Rainfall predicted to have a 70% chance with an estimated 0.11in. Wind will be moderate, blowing around 14mph on average and gusts of 38.1mph at 3 AM. The humidity will be on the higher side, averaging about 75%, the maximum being 95% at 10 PM and 58% being its lowest at 3 AM. Barometric pressure is its highest of 30.22inHg at 11 PM, a lowest point of 30.06inHg at 4 AM with an avg 30.11inHg.
Serena, IL Weather – 10-30 – Overcast
68° / 49°
Overcast
Serena may see cloud-filled skies, with daytime highs of 68°F and overnight lows near 49°F. Rainfall predicted to have a 53% chance with an estimated 0.04in. Wind will be moderate, blowing around 13mph on average and gusts of 24.4mph at 11 PM. The humidity will be on the higher side, averaging about 66%, the maximum being 85% at 7 AM and 41% being its lowest at 3 PM. Barometric pressure is its highest of 30.32inHg at 9 AM, a lowest point of 30.16inHg at 4 PM with an avg 30.24inHg.
Serena, IL Weather – 10-31 – Overcast
69° / 55°
Overcast
Highs will reach 69°F with lows near 55°F in Serena, where cloud-filled skies are. Rainfall predicted to have a 69% chance with an estimated 0.05in. Wind will be moderate, blowing around 11mph on average and gusts of 24.2mph at 12 AM. High humidity with average of 81% is anticipated, the maximum being 92% at 7 AM and 63% being its lowest at 4 PM. Barometric pressure is its highest of 30.22inHg at 12 AM, a lowest point of 30.11inHg at 4 PM with an avg 30.15inHg.

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