Romeoville, IL Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Romeoville, IL in one place.
Sunny. High near 72, with temperatures falling to around 70 in the afternoon. West northwest wind 5 to 10 mph, with gusts as high as 20 mph.
Local Weather Overview
This forecast page for Romeoville, 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: Oct 8, 2026 12:38 PM CDT.
The active forecast window currently covers Oct 8 to Oct 14, 2026 for Romeoville, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Oct 8 to Oct 14, 2026
- Latest sync
- Oct 8, 2026 12:38 PM CDT
- Forecast office
- LOT
- Source
- NOAA / NWS
Daily Outlook
This Week in Romeoville
Saturday looks like the warmest upcoming period in Romeoville at 81 degrees F.
Tuesday Night is the coolest period ahead with temperatures near 46 degrees F.
The strongest winds are forecast for Monday Night at about 10 to 15 mph W.
Precipitation is mentioned in 7 upcoming forecast periods.
Forecast Details
- Last updated
- Oct 8, 2026 12:38 PM CDT
- 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 clear, with a low around 51. East wind 0 to 5 mph.
A chance of rain showers between 9am and noon, then a chance of showers and thunderstorms between noon and 4pm. Partly sunny. High near 76, with temperatures falling to around 74 in the afternoon. Southeast wind 0 to 10 mph. Chance of precipitation is 40%.
Mostly clear, with a low around 60. South southeast wind around 10 mph, with gusts as high as 20 mph.
Mostly sunny, with a high near 81. South wind around 10 mph, with gusts as high as 20 mph.
A slight chance of rain showers after 1am. Mostly cloudy, with a low around 60. Chance of precipitation is 20%.
A slight chance of rain showers before 1pm. Partly sunny, with a high near 73.
Partly cloudy, with a low around 56.
A slight chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 79.
A chance of showers and thunderstorms. Partly cloudy, with a low around 56.
A chance of rain showers before 7am. Partly sunny, with a high near 67.
Partly cloudy, with a low around 46.
Mostly sunny, with a high near 64.
A chance of rain showers after 7pm. Partly cloudy, with a low around 49.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Today
Oct 8
|
Sunny
|
72°F |
5 to 10 mph
WNW
|
|
Tonight
Oct 8
|
Mostly Clear
|
51°F |
0 to 5 mph
E
|
|
Friday
Oct 9
|
Chance Rain Showers
|
76°F |
0 to 10 mph
SE
|
|
Friday Night
Oct 9
|
Mostly Clear
|
60°F |
10 mph
SSE
|
|
Saturday
Oct 10
|
Mostly Sunny
|
81°F |
10 mph
S
|
|
Saturday Night
Oct 10
|
Mostly Cloudy then Slight Chance Rain Showers
|
60°F |
5 to 10 mph
SSE
|
|
Sunday
Oct 11
|
Slight Chance Rain Showers
|
73°F |
5 mph
ESE
|
|
Sunday Night
Oct 11
|
Partly Cloudy
|
56°F |
0 to 5 mph
SSE
|
|
Columbus Day
Oct 12
|
Mostly Sunny then Slight Chance Showers And Thunderstorms
|
79°F |
0 to 10 mph
SW
|
|
Monday Night
Oct 12
|
Chance Showers And Thunderstorms
|
56°F |
10 to 15 mph
W
|
|
Tuesday
Oct 13
|
Chance Rain Showers then Partly Sunny
|
67°F |
10 to 15 mph
NNW
|
|
Tuesday Night
Oct 13
|
Partly Cloudy
|
46°F |
5 to 10 mph
NNW
|
|
Wednesday
Oct 14
|
Mostly Sunny
|
64°F |
5 mph
NE
|
|
Wednesday Night
Oct 14
|
Chance Rain Showers
|
49°F |
5 to 10 mph
SSE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Romeoville.
