Saybrook, IL Weather Forecast
Local 7-day forecast
Slight Chance Showers And Thunderstorms then Mostly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Saybrook, IL in one place.
A slight chance of showers and thunderstorms before 7am. Mostly sunny, with a high near 76. West southwest wind 9 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
Local Weather Overview
This forecast page for Saybrook, IL is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Apr 21, 2026 9:27 AM CDT.
The active forecast window currently covers Apr 22 to Apr 27, 2026 for Saybrook, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 22 to Apr 27, 2026
- Latest sync
- Apr 21, 2026 9:27 AM CDT
- Forecast office
- ILX
- Source
- NOAA / NWS
Daily Outlook
This Week in Saybrook
Thursday looks like the warmest upcoming period in Saybrook at 80 degrees F.
Saturday Night is the coolest period ahead with temperatures near 46 degrees F.
The strongest winds are forecast for Thursday at about 9 to 23 mph S.
Precipitation is mentioned in 8 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 21, 2026 9:27 AM CDT
- Coverage
- 6 days
- Time zone
- America/Chicago
- Forecast office
- ILX
- Radar station
- KILX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Mostly clear, with a low around 57. South southwest wind around 9 mph.
Sunny, with a high near 80. South wind 9 to 23 mph, with gusts as high as 31 mph.
A chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 60. South wind around 20 mph, with gusts as high as 28 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch possible.
Showers and thunderstorms. Mostly cloudy, with a high near 75. Southwest wind 15 to 20 mph, with gusts as high as 24 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Showers and thunderstorms before 7pm, then a slight chance of showers and thunderstorms. Partly cloudy, with a low around 51. Chance of precipitation is 80%.
A slight chance of rain showers before 7am. Mostly sunny, with a high near 69.
Partly cloudy, with a low around 46.
Mostly sunny, with a high near 71.
A chance of showers and thunderstorms after 7pm. Mostly cloudy, with a low around 52.
A chance of showers and thunderstorms. Mostly cloudy, with a high near 72.
A chance of showers and thunderstorms before 1am, then a slight chance of showers and thunderstorms. Mostly cloudy, with a low around 51.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Wednesday
Apr 22
|
Slight Chance Showers And Thunderstorms then Mostly Sunny
|
76°F |
9 to 13 mph
WSW
|
|
Wednesday Night
Apr 22
|
Mostly Clear
|
57°F |
9 mph
SSW
|
|
Thursday
Apr 23
|
Sunny
|
80°F |
9 to 23 mph
S
|
|
Thursday Night
Apr 23
|
Mostly Cloudy then Chance Showers And Thunderstorms
|
60°F |
20 mph
S
|
|
Friday
Apr 24
|
Showers And Thunderstorms
|
75°F |
15 to 20 mph
SW
|
|
Friday Night
Apr 24
|
Showers And Thunderstorms then Slight Chance Showers And Thunderstorms
|
51°F |
13 mph
NW
|
|
Saturday
Apr 25
|
Slight Chance Rain Showers then Mostly Sunny
|
69°F |
14 mph
NNE
|
|
Saturday Night
Apr 25
|
Partly Cloudy
|
46°F |
9 to 13 mph
NE
|
|
Sunday
Apr 26
|
Mostly Sunny
|
71°F |
12 to 15 mph
ENE
|
|
Sunday Night
Apr 26
|
Chance Showers And Thunderstorms
|
52°F |
14 mph
E
|
|
Monday
Apr 27
|
Chance Showers And Thunderstorms
|
72°F |
14 to 18 mph
SE
|
|
Monday Night
Apr 27
|
Chance Showers And Thunderstorms
|
51°F |
16 mph
SSW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Saybrook.