Brighton, IL Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Brighton, IL in one place.
Sunny, with a high near 89.
Local Weather Overview
This forecast page for Brighton, 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: Jul 12, 2026 3:19 AM CDT.
The active forecast window currently covers Jul 14 to Jul 18, 2026 for Brighton, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 14 to Jul 18, 2026
- Latest sync
- Jul 12, 2026 3:19 AM CDT
- Forecast office
- LSX
- Source
- NOAA / NWS
Daily Outlook
This Week in Brighton
Friday looks like the warmest upcoming period in Brighton at 93 degrees F.
Tuesday Night is the coolest period ahead with temperatures near 70 degrees F.
The strongest winds are forecast for Saturday at about 6 to 10 mph SW.
The forecast from Jul 14 through Jul 18 stays mostly dry.
Forecast Details
- Last updated
- Jul 12, 2026 3:19 AM CDT
- Coverage
- 5 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
Mostly clear, with a low around 70.
Sunny, with a high near 90.
Mostly clear, with a low around 71.
Sunny, with a high near 91.
Mostly clear, with a low around 73.
Sunny, with a high near 93.
Mostly clear, with a low around 73.
Sunny, with a high near 93.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tuesday
Jul 14
|
Sunny
|
89°F |
5 to 9 mph
NE
|
|
Tuesday Night
Jul 14
|
Mostly Clear
|
70°F |
1 to 7 mph
E
|
|
Wednesday
Jul 15
|
Sunny
|
90°F |
2 to 6 mph
E
|
|
Wednesday Night
Jul 15
|
Mostly Clear
|
71°F |
1 to 6 mph
S
|
|
Thursday
Jul 16
|
Sunny
|
91°F |
1 to 7 mph
SW
|
|
Thursday Night
Jul 16
|
Mostly Clear
|
73°F |
2 to 6 mph
SW
|
|
Friday
Jul 17
|
Sunny
|
93°F |
5 to 8 mph
W
|
|
Friday Night
Jul 17
|
Mostly Clear
|
73°F |
7 mph
SW
|
|
Saturday
Jul 18
|
Sunny
|
93°F |
6 to 10 mph
SW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Brighton.
