Harbor Light Bay, IL Weather Forecast
Local 7-day forecast
Slight Chance Drizzle
Track current conditions, temperature changes, wind, and the full daily outlook for Harbor Light Bay, IL in one place.
A slight chance of drizzle before 1pm. Mostly sunny, with a high near 53. North wind 7 to 12 mph.
Local Weather Overview
This forecast page for Harbor Light Bay, 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: Nov 6, 2026 12:54 PM CST.
The active forecast window currently covers Nov 6 to Nov 12, 2026 for Harbor Light Bay, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Nov 6 to Nov 12, 2026
- Latest sync
- Nov 6, 2026 12:54 PM CST
- Forecast office
- LSX
- Source
- NOAA / NWS
Daily Outlook
This Week in Harbor Light Bay
Tuesday looks like the warmest upcoming period in Harbor Light Bay at 67 degrees F.
Tonight is the coolest period ahead with temperatures near 33 degrees F.
The strongest winds are forecast for Today at about 7 to 12 mph N.
Precipitation is mentioned in 1 upcoming forecast period.
Forecast Details
- Last updated
- Nov 6, 2026 12:54 PM CST
- Coverage
- 8 days
- Time zone
- America/Chicago
- Forecast office
- LSX
- Radar station
- KLSX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Clear, with a low around 33. North wind 2 to 6 mph.
Mostly sunny, with a high near 54. Northwest wind around 3 mph.
Clear, with a low around 34. West wind 0 to 3 mph.
Sunny. High near 62, with temperatures falling to around 57 in the afternoon. Southwest wind 3 to 7 mph.
Clear, with a low around 40.
Sunny, with a high near 66.
Clear, with a low around 44.
Sunny, with a high near 67.
Mostly clear, with a low around 43.
Sunny, with a high near 64.
Partly cloudy, with a low around 45. Chance of precipitation is 20%.
Mostly sunny, with a high near 60.
Mostly clear, with a low around 39.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Today
Nov 6
|
Slight Chance Drizzle
|
53°F |
7 to 12 mph
N
|
|
Tonight
Nov 6
|
Clear
|
33°F |
2 to 6 mph
N
|
|
Saturday
Nov 7
|
Mostly Sunny
|
54°F |
3 mph
NW
|
|
Saturday Night
Nov 7
|
Clear
|
34°F |
0 to 3 mph
W
|
|
Sunday
Nov 8
|
Sunny
|
62°F |
3 to 7 mph
SW
|
|
Sunday Night
Nov 8
|
Clear
|
40°F |
0 to 3 mph
W
|
|
Monday
Nov 9
|
Sunny
|
66°F |
0 to 7 mph
SW
|
|
Monday Night
Nov 9
|
Clear
|
44°F |
5 mph
SW
|
|
Tuesday
Nov 10
|
Sunny
|
67°F |
5 mph
W
|
|
Tuesday Night
Nov 10
|
Mostly Clear
|
43°F |
1 mph
NW
|
|
Veterans Day
Nov 11
|
Sunny
|
64°F |
0 to 3 mph
NW
|
|
Wednesday Night
Nov 11
|
Partly Cloudy
|
45°F |
5 mph
N
|
|
Thursday
Nov 12
|
Mostly Sunny
|
60°F |
5 to 10 mph
N
|
|
Thursday Night
Nov 12
|
Mostly Clear
|
39°F |
6 mph
N
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Harbor Light Bay.