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City of Pekin,ILPekin, IL 14 Day Weather - 61554 WeatherWorld.com
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Pekin, IL Weather Forecast
Pekin, IL Weather Forecast Dated: 242 PM Wed Sep 09 2026
Expect a very warm period with a mix of sun and clouds and frequent chances of rain over the coming period. generally humid conditions and no major pressure swings will dominate. Isolated storms at times.
Wednesday, September 9, 2026
Mid-Morning
71°F 22°C
Heavy Rain
Mid-Afternoon
80°F 26°C
Heavy Rain
Early-Evening
77°F 25°C
Light Showers
Warm and summery around 80°F 26°C (feels like 86°F 30°C), rounds of showers expected off and on all day, with steady humidity and steady pressure. Thunderstorms possible in the afternoon and evening.
Thursday, September 10, 2026
Mid-Morning
68°F 20°C
Light Showers
Mid-Afternoon
70°F 21°C
Light Showers
Early-Evening
71°F 22°C
Scattered Showers
Comfortable with temperatures reaching 70°F 21°C, scattered downpours possible, with lower humidity and steady pressure.
Friday, September 11, 2026
Mid-Morning
68°F 20°C
Sunny
Mid-Afternoon
83°F 28°C
Sunny
Early-Evening
76°F 25°C
Sunny
Quite warm around 83°F 28°C, sunny throughout the day, with lower humidity and barometric pressure falling.
Saturday, September 12, 2026
Mid-Morning
73°F 23°C
Sunny
Mid-Afternoon
89°F 32°C
Overcast
Early-Evening
83°F 29°C
Overcast
Warm temperatures up to 89°F 32°C, sunny in the morning, becoming overcast through the afternoon and evening, with lower humidity and steady pressure. Winds turning from the SSW to the E at 6 mph 9 km/h.
Sunday, September 13, 2026
Mid-Morning
73°F 23°C
Overcast
Mid-Afternoon
86°F 30°C
Overcast
Early-Evening
81°F 28°C
Overcast
Very warm with a high of 86°F 30°C, overcast through the afternoon, turning cloudy this evening, with lower humidity and steady pressure.
Monday, September 14, 2026
Mid-Morning
77°F 25°C
Overcast
Mid-Afternoon
94°F 34°C
Cloudy
Early-Evening
87°F 31°C
Sunny
Very hot with a high of 94°F 34°C, feeling closer to 97°F 36°C in the humidity, overcast in the morning, partly cloudy in the afternoon, and cloudy this evening, with lower humidity and steady pressure. Winds switching from the S to the E at 11 mph 17 km/h. Gusts up to 22 mph 36 km/h.
Tuesday, September 15, 2026
Mid-Morning
65°F 18°C
Light Showers
Mid-Afternoon
70°F 21°C
Overcast
Early-Evening
67°F 20°C
Partly Cloudy
Comfortable with temperatures reaching 70°F 21°C, early showers breaking for a drier afternoon, with lower humidity and steady pressure. Winds moving from the N to the NNE at 7 mph 11 km/h.
Wednesday, September 16, 2026
Mid-Morning
65°F 19°C
Sunny
Mid-Afternoon
72°F 22°C
Overcast
Early-Evening
67°F 20°C
Light Showers
Enjoyable around 72°F 22°C, mainly dry until evening showers arrive, with increasing humidity and steady pressure. Winds swinging from the E to the ENE at 8 mph 12 km/h.
Thursday, September 17, 2026
Mid-Morning
60°F 16°C
Scattered Showers
Mid-Afternoon
64°F 18°C
Light Fog
Early-Evening
66°F 19°C
Cloudy
Refreshing around 64°F 18°C, locally heavy downpours at times, with steady humidity and steady pressure.
Friday, September 18, 2026
Mid-Morning
67°F 20°C
Light Fog
Mid-Afternoon
80°F 27°C
Sunny
Early-Evening
78°F 25°C
Sunny
Warm and summery around 80°F 27°C (feels like 83°F 28°C), sunny throughout the day, with lower humidity and barometric pressure falling.
Saturday, September 19, 2026
Mid-Morning
78°F 26°C
Overcast
Mid-Afternoon
91°F 33°C
Partly Cloudy
Early-Evening
82°F 28°C
Partly Cloudy
Hot and sweltering around 91°F 33°C (heat index 94°F 35°C), partly cloudy throughout the day, with steady humidity and steady pressure. Winds shifting from the SW to the NW at 9 mph 14 km/h.
Sunday, September 20, 2026
Mid-Morning
73°F 23°C
Light Fog
Mid-Afternoon
86°F 30°C
Sunny
Early-Evening
79°F 26°C
Sunny
Very warm near 86°F 30°C, though humidity makes it feel like 90°F 32°C, sunny through the afternoon, turning cloudy this evening, with lower humidity and steady pressure. Winds turning from the NNW to the NE at 10 mph 17 km/h. Gusts up to 21 mph 33 km/h.
Monday, September 21, 2026
Mid-Morning
70°F 21°C
Light Fog
Mid-Afternoon
78°F 25°C
Partly Cloudy
Early-Evening
72°F 22°C
Light Showers
Enjoyable around 78°F 25°C, drier conditions through late afternoon before showers move in, with steady humidity and steady pressure.
Tuesday, September 22, 2026
Mid-Morning
69°F 21°C
Light Fog
Mid-Afternoon
76°F 25°C
Overcast
Early-Evening
74°F 23°C
Scattered Showers
Mild temperatures up to 76°F 25°C, scattered downpours possible, with lower humidity and steady pressure.
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