Your favorites:

Johnson County, IL Weather Forecast and Current Conditions

Current Conditions  

Sunny 68°F
Feels Like 68°F  
Humidity 59% Dew Point 53°F Wind NNE 4 MPH Gusts 6 Barometer 30.2 in.767.1 mm
Solar Rad 585 w/m2 UV Index 5
Report from a personal weather station 18.6 miles S of central Johnson County
at

Current Conditions  

Sunny 68°F
Feels Like 68°F  
Humidity 59% Dew Point 53°F Wind NNE 4 MPH Gusts 6 Barometer 30.2 in.767.1 mm
Solar Rad 585 w/m2 UV Index 5
Report from a personal weather station 18.6 miles S of central Johnson County
at

Point Forecast at a Glance

WedOct 8
Wed Oct 8: Sunny, High 72°F, Low 48°F
72°
48°
ThuOct 9
Thu Oct 9: Sunny, High 70°F, Low 42°F
70°
42°
FriOct 10
Fri Oct 10: Sunny, High 72°F, Low 51°F
72°
51°
SatOct 11
Sat Oct 11: Sunny, High 76°F, Low 52°F
76°
52°
SunOct 12
Sun Oct 12: Sunny, High 78°F, Low 55°F
78°
55°
MonOct 13
Mon Oct 13: Sunny, High 81°F, Low 58°F
81°
58°
TueOct 14
Tue Oct 14: Sunny, High 82°F, Low 58°F
82°
58°


This Date in Weather History

1901 - A deluge at Galveston, TX, produced nearly twelve inches of rain in about a six hour period. The rains came precisely thirteen months after the day of the famous Galveston hurricane disaster.

More on this and other weather history


Johnson County 7 Day Weather Forecast Details

Wednesday Oct 8

Sunny

Day: Sunny. High near 72, with temperatures falling to around 69 in the afternoon. Northeast wind 7 to 10 mph, with gusts as high as 20 mph.

Clear

Night: Clear, with a low around 48. Northeast wind 2 to 6 mph.

Thursday Oct 9

Sunny

Day: Sunny. High near 70, with temperatures falling to around 67 in the afternoon. Northeast wind 5 to 8 mph.

Clear

Night: Clear, with a low around 42. East northeast wind 1 to 5 mph.

Friday Oct 10

Sunny

Day: Sunny, with a high near 72. Southeast wind around 2 mph.

Clear

Night: Mostly clear, with a low around 51. South southeast wind around 1 mph.

Saturday Oct 11

Sunny

Day: Sunny, with a high near 76. South wind around 5 mph.

Clear

Night: Mostly clear, with a low around 52. East southeast wind around 2 mph.

Sunday Oct 12

Sunny

Day: Sunny, with a high near 78. South southeast wind around 5 mph.

Clear

Night: Mostly clear, with a low around 55. Southeast wind around 3 mph.

Monday Oct 13

Sunny

Day: Sunny, with a high near 81. South southeast wind around 5 mph.

Clear

Night: Mostly clear, with a low around 58. Southeast wind around 3 mph.

Tuesday Oct 14

Sunny

Day: Sunny, with a high near 82. South wind around 5 mph.

Clear

Night: Mostly clear, with a low around 58. South southeast wind around 2 mph.

Sun & Moon   Monthly

First Light 6:32 AM

Sunrise 6:58 AM

Sunset 6:29 PM

Last Light 6:56 PM

Moonrise 7:07 PM

Moonset 8:38 AM

Moon Phase
Data costs money. Servers cost money. Our website is made possible by displaying online advertisements to our visitors. Please consider supporting us by disabling your ad blocker, contribute to WeatherForYou.com by buying me a coffee or subscribe to our ClearSky ad-free service.

Buy me a coffee

Weather Near Johnson County

Oldtown, IL

Cobden, IL

Mount Carbon, IL

Contiguous United States Extremes

Tue's High Temperature
100 at Rio Grande Village, TX and 5 Miles South Of Yuma, AZ and 6 Miles West Southwest Of Glamis, CA

Wed's Low Temperature
18 at 20 Miles Northwest Of Calpet, WY


Weather Folklore

When dew is on the grass, rain will never come to pass.


Ad Free Weather
Current subscribers - login to your ClearSky account

About Johnson County, Illinois

Johnson County is a county in the U.S. state of Illinois. According to the 2020 census, it has a population of 13,308. Its county seat is Vienna. It is located in the southern portion of Illinois known locally as "Little Egypt".

Content from Wikipedia, licensed under CC BY-SA 3.0.

How We Provide Better Local Weather

Current conditions: We use the nearest available station to your location - including professional MESONET/MADIS and local weather stations - often miles closer than regional airports.

Forecasts: National Weather Service point forecasts predict for your specific area, not broad regional zones, making them far more relevant to your location.