Philadelphia, IL Weather Forecast
Local 7-day forecast
Chance Showers And Thunderstorms then Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Philadelphia, IL in one place.
A chance of showers and thunderstorms before 7am. Sunny, with a high near 91. West northwest wind 8 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
Local Weather Overview
This forecast page for Philadelphia, 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 19, 2026 7:23 AM CDT.
The active forecast window currently covers Jul 21 to Jul 25, 2026 for Philadelphia, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 21 to Jul 25, 2026
- Latest sync
- Jul 19, 2026 7:23 AM CDT
- Forecast office
- ILX
- Source
- NOAA / NWS
Daily Outlook
This Week in Philadelphia
Tuesday looks like the warmest upcoming period in Philadelphia at 91 degrees F.
Wednesday Night is the coolest period ahead with temperatures near 60 degrees F.
The strongest winds are forecast for Tuesday at about 8 to 14 mph WNW.
Precipitation is mentioned in 5 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 19, 2026 7:23 AM CDT
- Coverage
- 5 days
- Time zone
- America/Chicago
- Forecast office
- ILX
- Radar station
- KILX
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 67. North wind 6 to 14 mph, with gusts as high as 20 mph.
Sunny, with a high near 82.
Partly cloudy, with a low around 60.
Sunny, with a high near 81.
A slight chance of rain showers after 1am. Partly cloudy, with a low around 62.
A slight chance of rain showers before 7am, then a chance of showers and thunderstorms between 7am and 1pm, then a slight chance of showers and thunderstorms. Partly sunny, with a high near 82.
A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 65.
A slight chance of rain showers before 7am, then a slight chance of showers and thunderstorms between 7am and 1pm. Mostly sunny, with a high near 86.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tuesday
Jul 21
|
Chance Showers And Thunderstorms then Sunny
|
91°F |
8 to 14 mph
WNW
|
|
Tuesday Night
Jul 21
|
Mostly Clear
|
67°F |
6 to 14 mph
N
|
|
Wednesday
Jul 22
|
Sunny
|
82°F |
7 to 10 mph
NNE
|
|
Wednesday Night
Jul 22
|
Partly Cloudy
|
60°F |
2 to 8 mph
NE
|
|
Thursday
Jul 23
|
Sunny
|
81°F |
5 mph
E
|
|
Thursday Night
Jul 23
|
Partly Cloudy then Slight Chance Rain Showers
|
62°F |
5 mph
ESE
|
|
Friday
Jul 24
|
Chance Showers And Thunderstorms
|
82°F |
7 mph
SE
|
|
Friday Night
Jul 24
|
Slight Chance Showers And Thunderstorms
|
65°F |
6 mph
SE
|
|
Saturday
Jul 25
|
Slight Chance Showers And Thunderstorms
|
86°F |
7 mph
ESE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Philadelphia.