Saybrook, IL 14 Day Weather - 61724 WeatherWorld.com
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Saybrook, IL Weather Forecast


Saybrook, IL Weather Forecast Dated: 301 AM 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
75°F 24°C
Partly Cloudy
Mid-Afternoon
83°F 28°C
Scattered Showers
Early-Evening
76°F 24°C
Overcast
Warm and summery around 83°F 28°C (feels like 87°F 31°C), periods of heavy rain and gusty conditions, with increasing humidity and steady pressure. Winds turning from the SSW to the WSW at 5 mph 8 km/h.
Thursday, September 10, 2026
Mid-Morning
71°F 22°C
Overcast
Mid-Afternoon
76°F 24°C
Light Showers
Early-Evening
67°F 20°C
Light Showers
Comfortable with temperatures reaching 76°F 24°C, clouds and showers taking over for the afternoon and evening, with steady humidity and steady pressure. Winds switching from the W to the NE at 10 mph 15 km/h. Gusts up to 20 mph 33 km/h.
Friday, September 11, 2026
Mid-Morning
63°F 17°C
Sunny
Mid-Afternoon
78°F 25°C
Sunny
Early-Evening
74°F 24°C
Sunny
Enjoyable around 78°F 25°C, sunny throughout the day, with steady humidity and barometric pressure falling.
Saturday, September 12, 2026
Mid-Morning
70°F 21°C
Cloudy
Mid-Afternoon
84°F 29°C
Overcast
Early-Evening
75°F 24°C
Light Showers
Warm and summery around 84°F 29°C (feels like 87°F 30°C), drier conditions through late afternoon before showers move in, with steady humidity and steady pressure. A stray shower or storm late in the day. Winds moving from the SSW to the WNW at 5 mph 7 km/h.
Sunday, September 13, 2026
Mid-Morning
72°F 22°C
Overcast
Mid-Afternoon
81°F 27°C
Overcast
Early-Evening
79°F 26°C
Overcast
Very warm with a high of 81°F 27°C, overcast throughout the day, with steady humidity and steady pressure.
Monday, September 14, 2026
Mid-Morning
72°F 22°C
Overcast
Mid-Afternoon
81°F 27°C
Light Showers
Early-Evening
81°F 27°C
Nearby Thunderstorms
Very warm near 81°F 27°C, though humidity makes it feel like 86°F 30°C, locally heavy downpours at times, with steady humidity and barometric pressure falling. Winds swinging from the SW to the E at 7 mph 11 km/h.
Tuesday, September 15, 2026
Mid-Morning
74°F 24°C
Scattered Showers
Mid-Afternoon
73°F 23°C
Scattered Showers
Early-Evening
67°F 20°C
Sunny
Comfortable with temperatures reaching 73°F 23°C, periods of heavy rain and gusty conditions, with lower humidity and barometric pressure rising. Winds shifting from the WNW to the N at 9 mph 14 km/h.
Wednesday, September 16, 2026
Mid-Morning
61°F 16°C
Sunny
Mid-Afternoon
72°F 22°C
Sunny
Early-Evening
69°F 20°C
Cloudy
Enjoyable around 72°F 22°C, sunny in the morning, becoming partly cloudy through the afternoon and evening, with steady humidity and steady pressure.
Thursday, September 17, 2026
Mid-Morning
66°F 19°C
Partly Cloudy
Mid-Afternoon
82°F 28°C
Sunny
Early-Evening
80°F 27°C
Sunny
Very warm near 82°F 28°C, though humidity makes it feel like 85°F 29°C, sunny throughout the day, with steady humidity and barometric pressure falling. Winds turning from the SSE to the S at 10 mph 16 km/h. Gusts up to 23 mph 36 km/h.
Friday, September 18, 2026
Mid-Morning
79°F 26°C
Sunny
Mid-Afternoon
94°F 35°C
Sunny
Early-Evening
84°F 29°C
Cloudy
Sizzling hot near 94°F 35°C with a heat index reaching 99°F 37°C, sunny in the morning, becoming partly cloudy through the afternoon and evening, with steady humidity and steady pressure. Winds switching from the SW to the ENE at 8 mph 13 km/h.
Saturday, September 19, 2026
Mid-Morning
68°F 20°C
Overcast
Mid-Afternoon
76°F 25°C
Light Showers
Early-Evening
69°F 20°C
Sunny
Pleasant near 76°F 25°C, clouds building with afternoon showers likely, with steady humidity and steady pressure. Winds moving from the ENE to the E at 13 mph 20 km/h. Gusts up to 24 mph 39 km/h.
Sunday, September 20, 2026
Mid-Morning
67°F 19°C
Light Showers
Mid-Afternoon
84°F 29°C
Scattered Showers
Early-Evening
82°F 28°C
Sunny
Very warm near 84°F 29°C, though humidity makes it feel like 89°F 31°C, locally heavy downpours at times, with lower humidity and barometric pressure falling. Winds swinging from the ESE to the SE at 12 mph 18 km/h. Gusts up to 23 mph 37 km/h.
Monday, September 21, 2026
Mid-Morning
78°F 26°C
Sunny
Mid-Afternoon
74°F 23°C
Overcast
Early-Evening
66°F 19°C
Cloudy
Enjoyable around 74°F 23°C, sunny in the morning, becoming overcast through the afternoon and evening, with increasing humidity and barometric pressure rising. Winds shifting from the W to the N at 9 mph 14 km/h.
Tuesday, September 22, 2026
Mid-Morning
59°F 15°C
Overcast
Mid-Afternoon
63°F 17°C
Overcast
Early-Evening
61°F 16°C
Overcast
Mildly cool near 63°F 17°C, overcast throughout the day, with steady humidity and steady pressure.
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