Arlington, IL Weather Forecast
Local 7-day forecast
Showers And Thunderstorms Likely then Slight Chance Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for Arlington, IL in one place.
Showers and thunderstorms likely before 9am, then a chance of showers and thunderstorms between 9am and 10am, then a chance of showers and thunderstorms between 10am and 11am, then a slight chance of showers and thunderstorms between 11am and 3pm, then a chance of showers and thunderstorms between 3pm and 4pm, then a chance of showers and thunderstorms. Partly sunny. High near 82, with temperatures falling to around 79 in the afternoon. Southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%.
Local Weather Overview
This forecast page for Arlington, 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 15, 2026 1:45 AM CDT.
The active forecast window currently covers Sep 15 to Sep 21, 2026 for Arlington, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Sep 15 to Sep 21, 2026
- Latest sync
- Sep 15, 2026 1:45 AM CDT
- Forecast office
- DVN
- Source
- NOAA / NWS
Daily Outlook
This Week in Arlington
Saturday looks like the warmest upcoming period in Arlington at 84 degrees F.
Sunday Night is the coolest period ahead with temperatures near 60 degrees F.
The strongest winds are forecast for Tuesday at about 5 to 10 mph SW.
Precipitation is mentioned in 13 upcoming forecast periods.
Forecast Details
- Last updated
- Sep 15, 2026 1:45 AM CDT
- Coverage
- 7 days
- Time zone
- America/Chicago
- Forecast office
- DVN
- Radar station
- KLOT
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
A chance of showers and thunderstorms before 1am, then showers and thunderstorms. Mostly cloudy, with a low around 62. North wind 5 to 10 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Showers and thunderstorms. Mostly cloudy, with a high near 77. East wind around 5 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
A chance of rain showers before 7pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 67. Chance of precipitation is 50%. New rainfall amounts between a quarter and half of an inch possible.
Showers and thunderstorms likely before 1pm. Mostly cloudy, with a high near 83. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.
A chance of rain showers after 7pm. Mostly cloudy, with a low around 65. Chance of precipitation is 30%.
A chance of rain showers. Partly sunny, with a high near 83. Chance of precipitation is 30%.
A chance of rain showers before 7pm, then a slight chance of showers and thunderstorms between 7pm and 1am, then a chance of showers and thunderstorms. Partly cloudy, with a low around 68. Chance of precipitation is 30%.
A chance of showers and thunderstorms. Mostly sunny, with a high near 84. Chance of precipitation is 30%.
A chance of showers and thunderstorms. Partly cloudy, with a low around 65. Chance of precipitation is 40%.
A chance of showers and thunderstorms. Partly sunny, with a high near 79. Chance of precipitation is 40%.
A chance of showers and thunderstorms. Mostly cloudy, with a low around 60. Chance of precipitation is 40%.
A chance of rain showers before 1pm, then a slight chance of showers and thunderstorms. Partly sunny, with a high near 76. Chance of precipitation is 30%.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tuesday
Sep 15
|
Showers And Thunderstorms Likely then Slight Chance Showers And Thunderstorms
|
82°F |
5 to 10 mph
SW
|
|
Tuesday Night
Sep 15
|
Chance Showers And Thunderstorms
|
62°F |
5 to 10 mph
N
|
|
Wednesday
Sep 16
|
Showers And Thunderstorms
|
77°F |
5 mph
E
|
|
Wednesday Night
Sep 16
|
Chance Rain Showers
|
67°F |
5 mph
E
|
|
Thursday
Sep 17
|
Showers And Thunderstorms Likely
|
83°F |
5 mph
W
|
|
Thursday Night
Sep 17
|
Chance Rain Showers
|
65°F |
5 mph
NE
|
|
Friday
Sep 18
|
Chance Rain Showers
|
83°F |
5 mph
SE
|
|
Friday Night
Sep 18
|
Slight Chance Showers And Thunderstorms
|
68°F |
5 to 10 mph
SE
|
|
Saturday
Sep 19
|
Chance Showers And Thunderstorms
|
84°F |
10 mph
SW
|
|
Saturday Night
Sep 19
|
Chance Showers And Thunderstorms
|
65°F |
10 mph
S
|
|
Sunday
Sep 20
|
Chance Showers And Thunderstorms
|
79°F |
5 to 10 mph
E
|
|
Sunday Night
Sep 20
|
Chance Showers And Thunderstorms
|
60°F |
5 to 10 mph
NE
|
|
Monday
Sep 21
|
Chance Rain Showers then Slight Chance Showers And Thunderstorms
|
76°F |
5 to 10 mph
NE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Arlington.