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Saybrook IL Weather - Clear - 71°F
Clear
71°F
Updated 3:01 am
Feels Like 69°F
Humidity 73%
Wind SSW 8 mph
Barometer  30.06 in
Dew Point 62°F
Saybrook IL Weather - Clear - 22°C
Clear
22°C
Updated 3:01 am
Feels Like 21°C
Humidity 73%
Wind SSW 13 km/h
Barometer  101.8 kPa
Dew Point 17°C
Saybrook, IL Weather and Current Conditionssaybrook il weather forecast

Saybrook, IL Weather Forecast

Saybrook Illinois WeatherSaybrook, Illinois Weather Weather Forecast
14 Day API Saybrook, IL Weather Forecast. Note: Our 7 day Saybrook, Illinois weather forecast is our most reliable, and specific forecast. This model should only be used as a probable scenario. Forecasting more than 7 days ahead is challenging.
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
Saybrook Weather - 2026-09-09 - Morning - Partly Cloudy
75°F 24°C
Partly Cloudy
Mid-Afternoon
Saybrook Weather - 2026-09-09 - Afternoon - Scattered Showers
83°F 28°C
Scattered Showers
Early-Evening
Saybrook Weather - 2026-09-09 - Evening - Overcast
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
Saybrook Weather - 2026-09-10 - Morning - Overcast
71°F 22°C
Overcast
Mid-Afternoon
Saybrook Weather - 2026-09-10 - Afternoon - Light Showers
76°F 24°C
Light Showers
Early-Evening
Saybrook Weather - 2026-09-10 - Evening - Light Showers
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
Saybrook Weather - 2026-09-11 - Morning - Sunny
63°F 17°C
Sunny
Mid-Afternoon
Saybrook Weather - 2026-09-11 - Afternoon - Sunny
78°F 25°C
Sunny
Early-Evening
Saybrook Weather - 2026-09-11 - Evening - Sunny
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
Saybrook Weather - 2026-09-12 - Morning - Cloudy
70°F 21°C
Cloudy
Mid-Afternoon
Saybrook Weather - 2026-09-12 - Afternoon - Overcast
84°F 29°C
Overcast
Early-Evening
Saybrook Weather - 2026-09-12 - Evening - Light Showers
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
Saybrook Weather - 2026-09-13 - Morning - Overcast
72°F 22°C
Overcast
Mid-Afternoon
Saybrook Weather - 2026-09-13 - Afternoon - Overcast
81°F 27°C
Overcast
Early-Evening
Saybrook Weather - 2026-09-13 - Evening - Overcast
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
Saybrook Weather - 2026-09-14 - Morning - Overcast
72°F 22°C
Overcast
Mid-Afternoon
Saybrook Weather - 2026-09-14 - Afternoon - Light Showers
81°F 27°C
Light Showers
Early-Evening
Saybrook Weather - 2026-09-14 - Evening - Nearby Thunderstorms
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
Saybrook Weather - 2026-09-15 - Morning - Scattered Showers
74°F 24°C
Scattered Showers
Mid-Afternoon
Saybrook Weather - 2026-09-15 - Afternoon - Scattered Showers
73°F 23°C
Scattered Showers
Early-Evening
Saybrook Weather - 2026-09-15 - Evening - Sunny
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
Saybrook Weather - 2026-09-16 - Morning - Sunny
61°F 16°C
Sunny
Mid-Afternoon
Saybrook Weather - 2026-09-16 - Afternoon - Sunny
72°F 22°C
Sunny
Early-Evening
Saybrook Weather - 2026-09-16 - Evening - Cloudy
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
Saybrook Weather - 2026-09-17 - Morning - Partly Cloudy
66°F 19°C
Partly Cloudy
Mid-Afternoon
Saybrook Weather - 2026-09-17 - Afternoon - Sunny
82°F 28°C
Sunny
Early-Evening
Saybrook Weather - 2026-09-17 - Evening - Sunny
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
Saybrook Weather - 2026-09-18 - Morning - Sunny
79°F 26°C
Sunny
Mid-Afternoon
Saybrook Weather - 2026-09-18 - Afternoon - Sunny
94°F 35°C
Sunny
Early-Evening
Saybrook Weather - 2026-09-18 - Evening - Cloudy
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
Saybrook Weather - 2026-09-19 - Morning - Overcast
68°F 20°C
Overcast
Mid-Afternoon
Saybrook Weather - 2026-09-19 - Afternoon - Light Showers
76°F 25°C
Light Showers
Early-Evening
Saybrook Weather - 2026-09-19 - Evening - Sunny
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
Saybrook Weather - 2026-09-20 - Morning - Light Showers
67°F 19°C
Light Showers
Mid-Afternoon
Saybrook Weather - 2026-09-20 - Afternoon - Scattered Showers
84°F 29°C
Scattered Showers
Early-Evening
Saybrook Weather - 2026-09-20 - Evening - Sunny
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
Saybrook Weather - 2026-09-21 - Morning - Sunny
78°F 26°C
Sunny
Mid-Afternoon
Saybrook Weather - 2026-09-21 - Afternoon - Overcast
74°F 23°C
Overcast
Early-Evening
Saybrook Weather - 2026-09-21 - Evening - Cloudy
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
Saybrook Weather - 2026-09-22 - Morning - Overcast
59°F 15°C
Overcast
Mid-Afternoon
Saybrook Weather - 2026-09-22 - Afternoon - Overcast
63°F 17°C
Overcast
Early-Evening
Saybrook Weather - 2026-09-22 - Evening - Overcast
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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Weather by the Numbers

Wed, 9th
Saybrook IL Weather - Wednesday, Sep 9, 2026 - Patchy Rain Nearby
Hi: 83°F 28°C
Lo: 68°F 20°C
Sunrise 06:28 AM
Sunset 07:12 PM
Wind WSW 7 mph11 km/h
Dew Point 69°F21°C
uv Index 6
Barometric Pressure 30.03 in1017 mb
POP 39% *
Humidity 80%
Thu, 10th
Saybrook IL Weather - Thursday, Sep 10, 2026 - Light Rain Shower
Hi: 76°F 25°C
Lo: 63°F 17°C
Sunrise 06:29 AM
Sunset 07:11 PM
Wind WNW 3 mph5 km/h
Dew Point 69°F20°C
uv Index 4
Barometric Pressure 29.97 in1015 mb
POP 48% *
Humidity 79%
Fri, 11th
Saybrook IL Weather - Friday, Sep 11, 2026 - Sunny
Hi: 78°F 26°C
Lo: 59°F 15°C
Sunrise 06:30 AM
Sunset 07:09 PM
Wind E 6 mph9 km/h
Dew Point 62°F17°C
uv Index 6
Barometric Pressure 29.97 in1015 mb
POP 5% *
Humidity 68%
Sat, 12th
Saybrook IL Weather - Saturday, Sep 12, 2026 - Cloudy
Hi: 84°F 29°C
Lo: 66°F 19°C
Sunrise 06:31 AM
Sunset 07:07 PM
Wind SW 11 mph18 km/h
Dew Point 66°F19°C
uv Index 6
Barometric Pressure 29.94 in1014 mb
POP 10% *
Humidity 61%
Sun, 13th
Saybrook IL Weather - Sunday, Sep 13, 2026 - Overcast
Hi: 81°F 27°C
Lo: 67°F 19°C
Sunrise 06:32 AM
Sunset 07:06 PM
Wind SSW 7 mph12 km/h
Dew Point 65°F18°C
uv Index 6
Barometric Pressure 29.97 in1015 mb
POP 14% *
Humidity 59%
Mon, 14th
Saybrook IL Weather - Monday, Sep 14, 2026 - Light Rain Shower
Hi: 85°F 29°C
Lo: 72°F 22°C
Sunrise 06:33 AM
Sunset 07:04 PM
Wind S 10 mph16 km/h
Dew Point 70°F21°C
uv Index 5
Barometric Pressure 29.91 in1013 mb
POP 68% *
Humidity 89%
Tue, 15th
Saybrook IL Weather - Tuesday, Sep 15, 2026 - Patchy Rain Nearby
Hi: 75°F 24°C
Lo: 62°F 17°C
Sunrise 06:34 AM
Sunset 07:02 PM
Wind NW 14 mph23 km/h
Dew Point 67°F19°C
uv Index 5
Barometric Pressure 30.03 in1017 mb
POP 21% *
Humidity 82%
Wed, 16th
Saybrook IL Weather - Wednesday, Sep 16, 2026 - Sunny
Hi: 72°F 22°C
Lo: 56°F 14°C
Sunrise 06:35 AM
Sunset 07:01 PM
Wind ENE 7 mph11 km/h
Dew Point 53°F12°C
uv Index 5
Barometric Pressure 30.33 in1027 mb
POP 4% *
Humidity 60%
Thu, 17th
Saybrook IL Weather - Thursday, Sep 17, 2026 - Sunny
Hi: 84°F 29°C
Lo: 61°F 16°C
Sunrise 06:36 AM
Sunset 06:59 PM
Wind S 12 mph19 km/h
Dew Point 58°F15°C
uv Index 6
Barometric Pressure 30.24 in1024 mb
POP 3% *
Humidity 56%
Fri, 18th
Saybrook IL Weather - Friday, Sep 18, 2026 - Sunny
Hi: 96°F 35°C
Lo: 73°F 23°C
Sunrise 06:37 AM
Sunset 06:57 PM
Wind WSW 11 mph18 km/h
Dew Point 68°F20°C
uv Index 8
Barometric Pressure 30.06 in1018 mb
POP 2% *
Humidity 51%
Sat, 19th
Saybrook IL Weather - Saturday, Sep 19, 2026 - Patchy Rain Nearby
Hi: 77°F 25°C
Lo: 62°F 17°C
Sunrise 06:38 AM
Sunset 06:55 PM
Wind E 9 mph14 km/h
Dew Point 67°F19°C
uv Index 5
Barometric Pressure 30.06 in1018 mb
POP 50% *
Humidity 83%
Sun, 20th
Saybrook IL Weather - Sunday, Sep 20, 2026 - Light Rain Shower
Hi: 86°F 30°C
Lo: 60°F 16°C
Sunrise 06:39 AM
Sunset 06:54 PM
Wind SE 10 mph16 km/h
Dew Point 67°F20°C
uv Index 5
Barometric Pressure 30 in1016 mb
POP 28% *
Humidity 74%
Mon, 21st
Saybrook IL Weather - Monday, Sep 21, 2026 - Sunny
Hi: 79°F 26°C
Lo: 62°F 17°C
Sunrise 06:40 AM
Sunset 06:52 PM
Wind WNW 15 mph23 km/h
Dew Point 65°F18°C
uv Index 7
Barometric Pressure 30.03 in1017 mb
POP 9% *
Humidity 61%
Tue, 22nd
Saybrook IL Weather - Tuesday, Sep 22, 2026 - Overcast
Hi: 63°F 17°C
Lo: 57°F 14°C
Sunrise 06:41 AM
Sunset 06:50 PM
Wind NE 8 mph12 km/h
Dew Point 49°F10°C
uv Index 4
Barometric Pressure 30.33 in1027 mb
POP 17% *
Humidity 67%
* POP = Probability of Precipitation. Data for 12:00 PM.