Hermon, IL Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Hermon, IL in one place.
Sunny, with a high near 84. East northeast wind 6 to 9 mph, with gusts as high as 16 mph.
Local Weather Overview
This forecast page for Hermon, 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: May 31, 2026 8:56 PM CDT.
The active forecast window currently covers Jun 2 to Jun 7, 2026 for Hermon, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jun 2 to Jun 7, 2026
- Latest sync
- May 31, 2026 8:56 PM CDT
- Forecast office
- ILX
- Source
- NOAA / NWS
Daily Outlook
This Week in Hermon
Sunday looks like the warmest upcoming period in Hermon at 89 degrees F.
Tuesday Night is the coolest period ahead with temperatures near 54 degrees F.
The strongest winds are forecast for Friday at about 8 to 13 mph SSW.
Precipitation is mentioned in 6 upcoming forecast periods.
Forecast Details
- Last updated
- May 31, 2026 8:56 PM CDT
- Coverage
- 6 days
- Time zone
- America/Chicago
- Forecast office
- ILX
- Radar station
- KDVN
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 54. East wind 2 to 7 mph.
Sunny, with a high near 84. Southeast wind 3 to 7 mph.
Mostly clear, with a low around 56. South wind 2 to 6 mph.
Mostly sunny, with a high near 88.
A slight chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 63.
A chance of showers and thunderstorms. Partly sunny, with a high near 87.
A chance of showers and thunderstorms before 7pm, then a chance of showers and thunderstorms between 7pm and 1am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 64.
A chance of showers and thunderstorms before 1pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 88.
A chance of showers and thunderstorms. Mostly cloudy, with a low around 65.
A chance of showers and thunderstorms. Partly sunny, with a high near 89.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tuesday
Jun 2
|
Sunny
|
84°F |
6 to 9 mph
ENE
|
|
Tuesday Night
Jun 2
|
Mostly Clear
|
54°F |
2 to 7 mph
E
|
|
Wednesday
Jun 3
|
Sunny
|
84°F |
3 to 7 mph
SE
|
|
Wednesday Night
Jun 3
|
Mostly Clear
|
56°F |
2 to 6 mph
S
|
|
Thursday
Jun 4
|
Mostly Sunny
|
88°F |
3 to 12 mph
SSW
|
|
Thursday Night
Jun 4
|
Partly Cloudy then Slight Chance Showers And Thunderstorms
|
63°F |
6 to 12 mph
SSW
|
|
Friday
Jun 5
|
Chance Showers And Thunderstorms
|
87°F |
8 to 13 mph
SSW
|
|
Friday Night
Jun 5
|
Chance Showers And Thunderstorms
|
64°F |
6 to 9 mph
SSW
|
|
Saturday
Jun 6
|
Chance Showers And Thunderstorms
|
88°F |
9 mph
SSW
|
|
Saturday Night
Jun 6
|
Chance Showers And Thunderstorms
|
65°F |
3 to 8 mph
S
|
|
Sunday
Jun 7
|
Chance Showers And Thunderstorms
|
89°F |
5 to 8 mph
SSE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Hermon.