10-day forecast for Johnsburg, IL: 41° to 78°, with precipitation expected on 4 days. The table below breaks each day into morning, afternoon, evening and overnight.
78°
Best day: Saturday, October 10
73° · 1.3 in
Worst day: Thursday, October 15
Tap any day below to see morning, afternoon, evening and overnight.
Thu, 0869° / 50°0
Morning54°feels 53°
Afternoon68°feels 66°
Evening54°feels 52°
Overnight56°feels 55°
69 °
Johnsburg, Thursday, 8 October
Partly cloudy. High 69°, low 50°.
Pressure30.09 inHg
Wind8.5 mph NW
Humidity48%
Visibility6.2 mi
Dew point43°
Fri, 0965° / 47°0.66
Morning51°feels 50°
Afternoon63°feels 62°
Evening59°feels 58°
Overnight48°feels 47°
65 °
Johnsburg, Friday, 9 October
Heavy rain. High 65°, low 47°.
Pressure30.18 inHg
Wind9.2 mph SE
Humidity48%
Visibility6.2 mi
Dew point45°
Sat, 1078° / 60°0
Morning61°feels 60°
Afternoon77°feels 77°
Evening69°feels 69°
Overnight63°feels 61°
78 °
Johnsburg, Saturday, 10 October
Clear. High 78°, low 60°.
Pressure30.09 inHg
Wind11 mph S
Humidity55%
Visibility6.2 mi
Dew point57°
Sun, 1164° / 56°0.08
Morning60°feels 60°
Afternoon61°feels 62°
Evening61°feels 60°
Overnight63°feels 62°
64 °
Johnsburg, Sunday, 11 October
Light rain. High 64°, low 56°.
Pressure29.88 inHg
Wind7.2 mph S
Humidity93%
Visibility—
Dew point59°
Mon, 1274° / 54°0
Morning61°feels 60°
Afternoon73°feels 73°
Evening62°feels 62°
Overnight58°feels 58°
74 °
Johnsburg, Monday, 12 October
Light rain. High 74°, low 54°.
Pressure29.77 inHg
Wind11.5 mph N
Humidity64%
Visibility—
Dew point59°
Tue, 1354° / 46°0.21
Morning50°feels 49°
Afternoon49°feels 45°
Evening47°feels 44°
Overnight49°feels 47°
54 °
Johnsburg, Tuesday, 13 October
Light rain. High 54°, low 46°.
Pressure30.06 inHg
Wind11.5 mph N
Humidity89%
Visibility—
Dew point47°
Wed, 1456° / 43°0
Morning46°feels 42°
Afternoon56°feels 53°
Evening56°feels 53°
Overnight53°feels 50°
56 °
Johnsburg, Wednesday, 14 October
Overcast. High 56°, low 43°.
Pressure30.15 inHg
Wind17.9 mph S
Humidity48%
Visibility—
Dew point35°
Thu, 1573° / 51°1.3
Morning58°feels 57°
Afternoon67°feels 67°
Evening63°feels 64°
Overnight55°feels 55°
73 °
Johnsburg, Thursday, 15 October
Heavy rain. High 73°, low 51°.
Pressure29.74 inHg
Wind17.6 mph NW
Humidity71%
Visibility—
Dew point56°
Fri, 1651° / 41°0
Morning44°feels 39°
Afternoon50°feels 47°
Evening46°feels 40°
Overnight43°feels 37°
51 °
Johnsburg, Friday, 16 October
Clear. High 51°, low 41°.
Pressure30.06 inHg
Wind16.2 mph NW
Humidity54%
Visibility—
Dew point34°
About this forecast
How reliable is a 10-day forecast?
The first 3–5 days are the most reliable, typically within 2–4°. From day six to ten the models show the trend: the direction of change is right more often than the exact numbers.
What does the time-of-day table show?
Temperature in Johnsburg, IL around 8am, 2pm, 8pm and 2am each day — handy for planning a walk, a drive or work outdoors.
How is the best day chosen?
We weigh the daytime high against precipitation: a warm, dry day scores highest.