Johnsburg, IL Weather Forecast
Local 7-day forecast
Partly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Johnsburg, IL in one place.
Partly sunny. High near 58, with temperatures falling to around 54 in the afternoon. Southwest wind around 10 mph, with gusts as high as 20 mph.
Local Weather Overview
This forecast page for Johnsburg, 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: Nov 9, 2026 1:13 PM CST.
The active forecast window currently covers Nov 9 to Nov 15, 2026 for Johnsburg, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Nov 9 to Nov 15, 2026
- Latest sync
- Nov 9, 2026 1:13 PM CST
- Forecast office
- LOT
- Source
- NOAA / NWS
Daily Outlook
This Week in Johnsburg
Tuesday looks like the warmest upcoming period in Johnsburg at 61 degrees F.
Friday Night is the coolest period ahead with temperatures near 26 degrees F.
The strongest winds are forecast for Thursday at about 15 to 20 mph N.
Precipitation is mentioned in 3 upcoming forecast periods.
Forecast Details
- Last updated
- Nov 9, 2026 1:13 PM CST
- Coverage
- 8 days
- Time zone
- America/Chicago
- Forecast office
- LOT
- Radar station
- KMKX
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 40. West wind 5 to 10 mph, with gusts as high as 20 mph.
Sunny. High near 61, with temperatures falling to around 54 in the afternoon. Northwest wind 0 to 5 mph.
Mostly cloudy, with a low around 38. Northwest wind around 0 mph.
A chance of rain showers. Mostly cloudy, with a high near 53. North northeast wind 0 to 10 mph. Chance of precipitation is 40%.
A slight chance of rain showers. Mostly cloudy, with a low around 36. Chance of precipitation is 20%.
A chance of rain showers. Mostly cloudy, with a high near 43.
Mostly cloudy, with a low around 29.
Mostly sunny, with a high near 43.
Partly cloudy, with a low around 26.
Sunny, with a high near 47.
Mostly clear, with a low around 31.
Sunny, with a high near 52.
Partly cloudy, with a low around 37.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
This Afternoon
Nov 9
|
Partly Sunny
|
58°F |
10 mph
SW
|
|
Tonight
Nov 9
|
Mostly Clear
|
40°F |
5 to 10 mph
W
|
|
Tuesday
Nov 10
|
Sunny
|
61°F |
0 to 5 mph
NW
|
|
Tuesday Night
Nov 10
|
Mostly Cloudy
|
38°F |
0 mph
|
|
Veterans Day
Nov 11
|
Chance Rain Showers
|
53°F |
0 to 10 mph
NNE
|
|
Wednesday Night
Nov 11
|
Slight Chance Rain Showers
|
36°F |
10 to 15 mph
NNW
|
|
Thursday
Nov 12
|
Chance Rain Showers
|
43°F |
15 to 20 mph
N
|
|
Thursday Night
Nov 12
|
Mostly Cloudy
|
29°F |
5 to 10 mph
N
|
|
Friday
Nov 13
|
Mostly Sunny
|
43°F |
5 to 10 mph
NNW
|
|
Friday Night
Nov 13
|
Partly Cloudy
|
26°F |
0 to 5 mph
NNW
|
|
Saturday
Nov 14
|
Sunny
|
47°F |
0 to 5 mph
NW
|
|
Saturday Night
Nov 14
|
Mostly Clear
|
31°F |
0 mph
|
|
Sunday
Nov 15
|
Sunny
|
52°F |
0 mph
|
|
Sunday Night
Nov 15
|
Partly Cloudy
|
37°F |
0 mph
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Johnsburg.
