Franklin County, IL Weather Forecast
County weather hub
Sunny
Compare major city weather across Franklin County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
Sunny, with a high near 91. Southeast wind 0 to 3 mph.
County Weather Overview
This county weather page brings together forecast coverage for Franklin County so visitors can compare temperatures, wind, and conditions across the region without hopping between unrelated pages.
Current forecast coverage spans 8 of 8 mapped cities in Franklin County.
Page Snapshot
- Page focus
- county weather
- Forecast window
- Aug 29 to Sep 2, 2026
- Latest sync
- Aug 27, 2026 4:21 PM CDT
- Forecast office
- PAH
- Source
- NOAA / NWS
Daily Outlook
This Week in Franklin County
Tuesday looks like the warmest upcoming period in Franklin County at 98 degrees F.
Saturday Night is the coolest period ahead with temperatures near 66 degrees F.
The strongest winds are forecast for Sunday at about 1 to 12 mph S.
The forecast from Aug 29 through Sep 2 stays mostly dry.
Forecast Details
- Last updated
- Aug 27, 2026 4:21 PM CDT
- Coverage
- 5 days
- Time zone
- America/Chicago
- Forecast office
- PAH
- Radar station
- KPAH
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 66. South southeast wind around 2 mph.
Sunny, with a high near 95. South wind 1 to 12 mph.
Mostly clear, with a low around 72. South wind 3 to 8 mph.
Sunny, with a high near 97. South southwest wind 5 to 12 mph.
Mostly clear, with a low around 74. South wind 3 to 9 mph.
Sunny, with a high near 98. South southwest wind 3 to 10 mph.
Mostly clear, with a low around 75. South southwest wind 3 to 8 mph.
Sunny, with a high near 98. Southwest wind 3 to 9 mph.
Mostly clear, with a low around 76. South southwest wind around 6 mph.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Saturday
Aug 29
|
Sunny
|
91°F |
0 to 3 mph
SE
|
|
Saturday Night
Aug 29
|
Mostly Clear
|
66°F |
2 mph
SSE
|
|
Sunday
Aug 30
|
Sunny
|
95°F |
1 to 12 mph
S
|
|
Sunday Night
Aug 30
|
Mostly Clear
|
72°F |
3 to 8 mph
S
|
|
Monday
Aug 31
|
Sunny
|
97°F |
5 to 12 mph
SSW
|
|
Monday Night
Aug 31
|
Mostly Clear
|
74°F |
3 to 9 mph
S
|
|
Tuesday
Sep 1
|
Sunny
|
98°F |
3 to 10 mph
SSW
|
|
Tuesday Night
Sep 1
|
Mostly Clear
|
75°F |
3 to 8 mph
SSW
|
|
Wednesday
Sep 2
|
Sunny
|
98°F |
3 to 9 mph
SW
|
|
Wednesday Night
Sep 2
|
Mostly Clear
|
76°F |
6 mph
SSW
|
Major City Forecasts
Live forecast snapshots for major cities across Franklin County.
Coverage
Forecast coverage currently spans 8 of 8 mapped cities in Franklin County.
Largest mapped city population in this region: 19,411.
