Chatham, IL Weather Forecast
Local 7-day forecast
Mostly Clear
Track current conditions, temperature changes, wind, and the full daily outlook for Chatham, IL in one place.
Mostly clear. Low around 34, with temperatures rising to around 36 overnight. West northwest wind around 5 mph.
Local Weather Overview
This forecast page for Chatham, 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 7, 2026 1:08 AM CST.
The active forecast window currently covers Nov 7 to Nov 13, 2026 for Chatham, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Nov 7 to Nov 13, 2026
- Latest sync
- Nov 7, 2026 1:08 AM CST
- Forecast office
- LOT
- Source
- NOAA / NWS
Daily Outlook
This Week in Chatham
Monday looks like the warmest upcoming period in Chatham at 61 degrees F.
Overnight is the coolest period ahead with temperatures near 34 degrees F.
The strongest winds are forecast for Sunday at about 10 to 15 mph W.
Precipitation is mentioned in 3 upcoming forecast periods.
Forecast Details
- Last updated
- Nov 7, 2026 1:08 AM CST
- Coverage
- 7 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
Mostly sunny. High near 52, with temperatures falling to around 48 in the afternoon. West northwest wind around 5 mph, with gusts as high as 15 mph.
Partly cloudy. Low around 38, with temperatures rising to around 40 overnight. West southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Sunny, with a high near 59. West wind 10 to 15 mph, with gusts as high as 25 mph.
Mostly clear, with a low around 39. West wind 0 to 10 mph.
Mostly sunny, with a high near 61.
Mostly clear, with a low around 46.
Sunny, with a high near 61.
Partly cloudy, with a low around 41.
Mostly sunny, with a high near 56.
Mostly cloudy, with a low around 40.
A chance of rain. Partly sunny, with a high near 52.
A chance of rain. Mostly cloudy, with a low around 38.
A slight chance of rain before noon. Partly sunny, with a high near 53.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Overnight
Nov 7
|
Mostly Clear
|
34°F |
5 mph
WNW
|
|
Saturday
Nov 7
|
Mostly Sunny
|
52°F |
5 mph
WNW
|
|
Saturday Night
Nov 7
|
Partly Cloudy
|
38°F |
5 to 10 mph
WSW
|
|
Sunday
Nov 8
|
Sunny
|
59°F |
10 to 15 mph
W
|
|
Sunday Night
Nov 8
|
Mostly Clear
|
39°F |
0 to 10 mph
W
|
|
Monday
Nov 9
|
Mostly Sunny
|
61°F |
0 to 10 mph
WSW
|
|
Monday Night
Nov 9
|
Mostly Clear
|
46°F |
5 to 10 mph
WSW
|
|
Tuesday
Nov 10
|
Sunny
|
61°F |
5 mph
W
|
|
Tuesday Night
Nov 10
|
Partly Cloudy
|
41°F |
0 to 5 mph
WNW
|
|
Veterans Day
Nov 11
|
Mostly Sunny
|
56°F |
0 to 5 mph
NNW
|
|
Wednesday Night
Nov 11
|
Mostly Cloudy
|
40°F |
5 mph
NNW
|
|
Thursday
Nov 12
|
Chance Rain
|
52°F |
5 to 10 mph
N
|
|
Thursday Night
Nov 12
|
Chance Rain
|
38°F |
5 to 10 mph
NNW
|
|
Friday
Nov 13
|
Slight Chance Rain then Partly Sunny
|
53°F |
5 to 10 mph
NW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Chatham.