Johnsonville, IL Weather Forecast
Local 7-day forecast
Mostly Cloudy
Track current conditions, temperature changes, wind, and the full daily outlook for Johnsonville, IL in one place.
Mostly cloudy, with a low around 61. Northeast wind around 7 mph.
Local Weather Overview
This forecast page for Johnsonville, 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 2, 2026 6:29 AM CDT.
The active forecast window currently covers Jun 2 to Jun 8, 2026 for Johnsonville, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jun 2 to Jun 8, 2026
- Latest sync
- Jun 2, 2026 6:29 AM CDT
- Forecast office
- PAH
- Source
- NOAA / NWS
Daily Outlook
This Week in Johnsonville
Sunday looks like the warmest upcoming period in Johnsonville at 86 degrees F.
Tuesday Night is the coolest period ahead with temperatures near 54 degrees F.
The strongest winds are forecast for Tuesday at about 7 to 13 mph NE.
Precipitation is mentioned in 5 upcoming forecast periods.
Forecast Details
- Last updated
- Jun 2, 2026 6:29 AM CDT
- Coverage
- 7 days
- Time zone
- America/Chicago
- Forecast office
- PAH
- Radar station
- KVWX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Sunny. High near 79, with temperatures falling to around 77 in the afternoon. Northeast wind 7 to 13 mph, with gusts as high as 20 mph.
Clear. Low around 54, with temperatures rising to around 56 overnight. East northeast wind 3 to 10 mph, with gusts as high as 18 mph.
Sunny, with a high near 80. East wind around 6 mph.
Mostly clear, with a low around 58. Southeast wind 0 to 5 mph.
Sunny, with a high near 83. South wind 1 to 7 mph.
Mostly clear, with a low around 62. South wind around 6 mph.
Mostly sunny, with a high near 84. South southwest wind 5 to 9 mph.
Partly cloudy, with a low around 66. South wind 5 to 8 mph.
A slight chance of showers and thunderstorms after 7am. Mostly sunny, with a high near 85. South southwest wind 6 to 9 mph.
A chance of showers and thunderstorms. Mostly cloudy, with a low around 68. South southwest wind 3 to 7 mph.
A chance of rain showers before 1pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 86. South southwest wind 3 to 7 mph.
A chance of showers and thunderstorms before 1am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 69. South southeast wind around 6 mph.
Showers and thunderstorms likely. Partly sunny, with a high near 85. South southeast wind 5 to 8 mph.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Overnight
Jun 2
|
Mostly Cloudy
|
61°F |
7 mph
NE
|
|
Tuesday
Jun 2
|
Sunny
|
79°F |
7 to 13 mph
NE
|
|
Tuesday Night
Jun 2
|
Clear
|
54°F |
3 to 10 mph
ENE
|
|
Wednesday
Jun 3
|
Sunny
|
80°F |
6 mph
E
|
|
Wednesday Night
Jun 3
|
Mostly Clear
|
58°F |
0 to 5 mph
SE
|
|
Thursday
Jun 4
|
Sunny
|
83°F |
1 to 7 mph
S
|
|
Thursday Night
Jun 4
|
Mostly Clear
|
62°F |
6 mph
S
|
|
Friday
Jun 5
|
Mostly Sunny
|
84°F |
5 to 9 mph
SSW
|
|
Friday Night
Jun 5
|
Partly Cloudy
|
66°F |
5 to 8 mph
S
|
|
Saturday
Jun 6
|
Slight Chance Showers And Thunderstorms
|
85°F |
6 to 9 mph
SSW
|
|
Saturday Night
Jun 6
|
Chance Showers And Thunderstorms
|
68°F |
3 to 7 mph
SSW
|
|
Sunday
Jun 7
|
Chance Rain Showers then Chance Showers And Thunderstorms
|
86°F |
3 to 7 mph
SSW
|
|
Sunday Night
Jun 7
|
Chance Showers And Thunderstorms
|
69°F |
6 mph
SSE
|
|
Monday
Jun 8
|
Showers And Thunderstorms Likely
|
85°F |
5 to 8 mph
SSE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Johnsonville.