Rochester, IL Weather Forecast
Local 7-day forecast
Slight Chance Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for Rochester, IL in one place.
A slight chance of rain showers before 7am, then a slight chance of showers and thunderstorms. Mostly sunny, with a high near 89. Southwest wind 6 to 10 mph, with gusts as high as 16 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
Local Weather Overview
This forecast page for Rochester, 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: Jun 8, 2026 3:27 PM CDT.
The active forecast window currently covers Jun 9 to Jun 14, 2026 for Rochester, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jun 9 to Jun 14, 2026
- Latest sync
- Jun 8, 2026 3:27 PM CDT
- Forecast office
- ILX
- Source
- NOAA / NWS
Daily Outlook
This Week in Rochester
Wednesday looks like the warmest upcoming period in Rochester at 93 degrees F.
Sunday Night is the coolest period ahead with temperatures near 61 degrees F.
The strongest winds are forecast for Wednesday at about 9 to 16 mph SSW.
Precipitation is mentioned in 11 upcoming forecast periods.
Forecast Details
- Last updated
- Jun 8, 2026 3:27 PM CDT
- Coverage
- 6 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
A chance of showers and thunderstorms before 1am. Mostly clear, with a low around 72. South southwest wind 5 to 9 mph. Chance of precipitation is 30%. New rainfall amounts between a tenth and quarter of an inch possible.
Sunny, with a high near 93. South southwest wind 9 to 16 mph, with gusts as high as 25 mph.
A chance of showers and thunderstorms between 7pm and 1am, then showers and thunderstorms likely. Partly cloudy, with a low around 72. South southwest wind 12 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.
Showers and thunderstorms likely before 1pm, then showers and thunderstorms likely. Mostly sunny, with a high near 90. South southwest wind 10 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Showers and thunderstorms likely before 7pm, then showers and thunderstorms likely. Partly cloudy, with a low around 66. Chance of precipitation is 60%.
A slight chance of rain showers before 7am. Mostly sunny, with a high near 87.
A chance of rain showers after 7pm. Mostly clear, with a low around 65.
A chance of rain showers before 1pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 87.
A chance of showers and thunderstorms before 7pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 66.
A chance of rain showers before 7am, then a chance of showers and thunderstorms. Partly sunny, with a high near 83.
A chance of showers and thunderstorms before 7pm, then a chance of showers and thunderstorms. Partly cloudy, with a low around 61.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tuesday
Jun 9
|
Slight Chance Showers And Thunderstorms
|
89°F |
6 to 10 mph
SW
|
|
Tuesday Night
Jun 9
|
Chance Showers And Thunderstorms
|
72°F |
5 to 9 mph
SSW
|
|
Wednesday
Jun 10
|
Sunny
|
93°F |
9 to 16 mph
SSW
|
|
Wednesday Night
Jun 10
|
Chance Showers And Thunderstorms
|
72°F |
12 to 15 mph
SSW
|
|
Thursday
Jun 11
|
Showers And Thunderstorms Likely
|
90°F |
10 to 16 mph
SSW
|
|
Thursday Night
Jun 11
|
Showers And Thunderstorms Likely
|
66°F |
6 to 14 mph
WSW
|
|
Friday
Jun 12
|
Slight Chance Rain Showers then Mostly Sunny
|
87°F |
5 to 8 mph
WNW
|
|
Friday Night
Jun 12
|
Chance Rain Showers
|
65°F |
6 mph
SW
|
|
Saturday
Jun 13
|
Chance Rain Showers
|
87°F |
6 to 9 mph
SSW
|
|
Saturday Night
Jun 13
|
Chance Showers And Thunderstorms
|
66°F |
5 to 8 mph
SW
|
|
Sunday
Jun 14
|
Chance Showers And Thunderstorms
|
83°F |
7 to 10 mph
NNW
|
|
Sunday Night
Jun 14
|
Chance Showers And Thunderstorms
|
61°F |
5 to 9 mph
NNE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Rochester.