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Smithfield, IL Weather Forecast for 5-Days

Updated: Wed May 13th 2026 4:30 PM CDT

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Smithfield, IL Weather – 5-13 – Sunny
74° / 54°
Sunny
In Smithfield, it will be sunny with highs near 74°F and lows around 54°F. Wind will be moderate, blowing around 19mph on average and gusts of 17.8mph at 5 PM. Humidity levels should be comfortable, sitting around 39% on average, the maximum being 43% at 11 PM and 27% being its lowest at 5 PM. Barometric pressure is its highest of 30.09inHg at 9 PM, a lowest point of 30.05inHg at 5 PM with an avg 30.07inHg.
Smithfield, IL Weather – 5-14 – Sunny
69° / 45°

Weather Tomorrow

Sunny
Bright and sunny conditions in Smithfield, with a high of 69°F and a low of 45°F. Wind will be moderate, blowing around 15mph on average and gusts of 25.1mph at 11 PM. Humidity levels should be comfortable, sitting around 58% on average, the maximum being 83% at 6 AM and 46% being its lowest at 12 AM. Barometric pressure is its highest of 30.12inHg at 4 AM, a lowest point of 29.91inHg at 11 PM with an avg 30.04inHg.
Smithfield, IL Weather – 5-15 – Scattered Showers
79° / 55°
Scattered Showers
Smithfield could see scattered showers with daytime highs of 79°F and nighttime lows near 55°F. The chance of rain is 88% with an estimated 0.18in. Wind will be moderate, blowing around 17mph on average and gusts of 26mph at 5 AM. The humidity will be on the higher side, averaging about 76%, the maximum being 92% at 11 PM and 62% being its lowest at 3 PM. Barometric pressure is its highest of 29.9inHg at 12 AM, a lowest point of 29.68inHg at 7 PM with an avg 29.76inHg.
Smithfield, IL Weather – 5-16 – Moderate Rain
78° / 65°
Moderate Rain
It will rain at times in Smithfield, with a high of 78°F and a low of 65°F. The chance of rain is 89% with an estimated 0.59in. Wind will be moderate, blowing around 16mph on average and gusts of 24.2mph at 7 PM. High humidity with average of 87% is anticipated, the maximum being 97% at 11 PM and 65% being its lowest at 3 PM. Barometric pressure is its highest of 29.82inHg at 11 PM, a lowest point of 29.73inHg at 12 AM with an avg 29.77inHg.
Smithfield, IL Weather – 5-17 – Moderate Rain
83° / 63°
Moderate Rain
In Smithfield, it will rain at times with highs near 83°F and lows around 63°F. The chance of rain is 88% with an estimated 0.24in. Wind will be moderate, blowing around 15mph on average and gusts of 27.5mph at 11 PM. High humidity with average of 84% is anticipated, the maximum being 99% at 4 AM and 64% being its lowest at 5 PM. Barometric pressure is its highest of 29.87inHg at 9 AM, a lowest point of 29.74inHg at 7 PM with an avg 29.8inHg.
Smithfield, IL Weather – 5-18 – Moderate Rain
79° / 60°
Moderate Rain
Daytime highs will reach 79°F with lows dropping to 60°F in Smithfield, where periods of rain are likely. The chance of rain is 83% with an estimated 0.21in. Winds will be strong at speeds peaking at 22mph and gusts of 37.5mph at 7 PM. The humidity will be on the higher side, averaging about 80%, the maximum being 91% at 11 PM and 73% being its lowest at 2 AM. Barometric pressure is its highest of 29.96inHg at 11 PM, a lowest point of 29.74inHg at 4 PM with an avg 29.78inHg.

Currently

Sunny 72°F
30.06 inHg.
Barometer
27%
Humidity
N 24.5 mph
Wind
Sunny

5 Day Forecast Nearby

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