Sycamore, IL Weather Forecast
Local 7-day forecast
Chance Rain Showers then Partly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Sycamore, IL in one place.
A chance of rain showers before 7am. Partly sunny, with a high near 86. West southwest wind 5 to 10 mph. Chance of precipitation is 30%.
Local Weather Overview
This forecast page for Sycamore, 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: Jun 8, 2026 7:08 AM CDT.
The active forecast window currently covers Jun 9 to Jun 14, 2026 for Sycamore, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jun 9 to Jun 14, 2026
- Latest sync
- Jun 8, 2026 7:08 AM CDT
- Forecast office
- LOT
- Source
- NOAA / NWS
Daily Outlook
This Week in Sycamore
Wednesday looks like the warmest upcoming period in Sycamore at 89 degrees F.
Saturday Night is the coolest period ahead with temperatures near 61 degrees F.
The strongest winds are forecast for Wednesday at about 10 to 20 mph SSW.
Precipitation is mentioned in 11 upcoming forecast periods.
Forecast Details
- Last updated
- Jun 8, 2026 7:08 AM CDT
- Coverage
- 6 days
- Time zone
- America/Chicago
- Forecast office
- LOT
- Radar station
- KLOT
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
A chance of showers and thunderstorms after 7pm. Partly cloudy, with a low around 71. South southwest wind 5 to 10 mph. Chance of precipitation is 40%.
A chance of showers and thunderstorms before 7am. Mostly sunny, with a high near 89. Chance of precipitation is 40%.
Showers and thunderstorms likely after 7pm. Mostly cloudy, with a low around 72.
Showers and thunderstorms likely. Partly sunny, with a high near 85.
Showers and thunderstorms likely before 1am. Partly cloudy, with a low around 62.
A slight chance of rain showers after 1pm. Sunny, with a high near 85.
A chance of rain showers. Mostly clear, with a low around 62.
A chance of rain showers before 1pm, then a slight chance of showers and thunderstorms. Mostly sunny, with a high near 84.
A chance of showers and thunderstorms. Partly cloudy, with a low around 61.
A chance of rain showers before 1pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 79.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tuesday
Jun 9
|
Chance Rain Showers then Partly Sunny
|
86°F |
5 to 10 mph
WSW
|
|
Tuesday Night
Jun 9
|
Chance Showers And Thunderstorms
|
71°F |
5 to 10 mph
SSW
|
|
Wednesday
Jun 10
|
Chance Showers And Thunderstorms then Mostly Sunny
|
89°F |
10 to 20 mph
SSW
|
|
Wednesday Night
Jun 10
|
Showers And Thunderstorms Likely
|
72°F |
10 to 20 mph
SW
|
|
Thursday
Jun 11
|
Showers And Thunderstorms Likely
|
85°F |
10 to 15 mph
SW
|
|
Thursday Night
Jun 11
|
Showers And Thunderstorms Likely
|
62°F |
5 to 15 mph
WSW
|
|
Friday
Jun 12
|
Sunny then Slight Chance Rain Showers
|
85°F |
5 to 15 mph
W
|
|
Friday Night
Jun 12
|
Chance Rain Showers
|
62°F |
5 to 10 mph
SW
|
|
Saturday
Jun 13
|
Chance Rain Showers then Slight Chance Showers And Thunderstorms
|
84°F |
5 to 10 mph
SW
|
|
Saturday Night
Jun 13
|
Chance Showers And Thunderstorms
|
61°F |
5 to 10 mph
WNW
|
|
Sunday
Jun 14
|
Chance Rain Showers then Chance Showers And Thunderstorms
|
79°F |
5 to 10 mph
NNW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Sycamore.