Washington Park, IL Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Washington Park, IL in one place.
Sunny. High near 100, with temperatures falling to around 96 in the afternoon. Heat index values as high as 109. Southwest wind 3 to 7 mph.
Local Weather Overview
This forecast page for Washington Park, 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: Sep 16, 2026 8:25 PM CDT.
The active forecast window currently covers Sep 17 to Sep 23, 2026 for Washington Park, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Sep 17 to Sep 23, 2026
- Latest sync
- Sep 16, 2026 8:25 PM CDT
- Forecast office
- LSX
- Source
- NOAA / NWS
Daily Outlook
This Week in Washington Park
Thursday looks like the warmest upcoming period in Washington Park at 100 degrees F.
Tuesday Night is the coolest period ahead with temperatures near 63 degrees F.
The strongest winds are forecast for Saturday at about 5 to 9 mph SW.
Precipitation is mentioned in 8 upcoming forecast periods.
Forecast Details
- Last updated
- Sep 16, 2026 8:25 PM CDT
- Coverage
- 7 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 75. Heat index values as high as 104. South wind 2 to 7 mph.
Sunny, with a high near 97. Heat index values as high as 106. Southeast wind around 5 mph.
Partly cloudy, with a low around 76. Southeast wind around 5 mph.
Mostly sunny, with a high near 99.
A slight chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 74. Chance of precipitation is 20%.
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 95. Chance of precipitation is 20%.
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 70. Chance of precipitation is 20%.
A slight chance of rain showers before 1pm, then a slight chance of showers and thunderstorms. Partly sunny, with a high near 89. Chance of precipitation is 20%.
A chance of showers and thunderstorms. Mostly cloudy, with a low around 65. Chance of precipitation is 30%.
A slight chance of rain showers. Mostly sunny, with a high near 84. Chance of precipitation is 20%.
A slight chance of rain showers before 1am. Partly cloudy, with a low around 63. Chance of precipitation is 20%.
A slight chance of rain showers between 7am and 1pm. Mostly sunny, with a high near 85. Chance of precipitation is 20%.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Thursday
Sep 17
|
Sunny
|
100°F |
3 to 7 mph
SW
|
|
Thursday Night
Sep 17
|
Mostly Clear
|
75°F |
2 to 7 mph
S
|
|
Friday
Sep 18
|
Sunny
|
97°F |
5 mph
SE
|
|
Friday Night
Sep 18
|
Partly Cloudy
|
76°F |
5 mph
SE
|
|
Saturday
Sep 19
|
Mostly Sunny
|
99°F |
5 to 9 mph
SW
|
|
Saturday Night
Sep 19
|
Partly Cloudy then Slight Chance Showers And Thunderstorms
|
74°F |
2 to 6 mph
SW
|
|
Sunday
Sep 20
|
Slight Chance Showers And Thunderstorms
|
95°F |
3 to 8 mph
W
|
|
Sunday Night
Sep 20
|
Slight Chance Showers And Thunderstorms
|
70°F |
3 to 7 mph
N
|
|
Monday
Sep 21
|
Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms
|
89°F |
3 to 8 mph
N
|
|
Monday Night
Sep 21
|
Chance Showers And Thunderstorms
|
65°F |
3 to 8 mph
N
|
|
Tuesday
Sep 22
|
Slight Chance Rain Showers
|
84°F |
5 to 8 mph
N
|
|
Tuesday Night
Sep 22
|
Slight Chance Rain Showers
|
63°F |
3 to 8 mph
N
|
|
Wednesday
Sep 23
|
Slight Chance Rain Showers
|
85°F |
3 to 7 mph
N
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Washington Park.