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Johnsburg, IL

34°F
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Johnsburg

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Johnsburg, IL Weather
Today WinterCast Local {stormName} Tracker Hourly 10-Day Radar MinuteCast® Monthly Air Quality Health & Activities

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8 AM

36°
RealFeel® 24°
Very Cold
RealFeel Guide
Very Cold
10° to 24°
Caution advised. Older adults, infants, and those with sensitive medical conditions, should be well dressed to protect from hypothermia and frostbite. Coat, hat, gloves and a scarf are appropriate.
LEARN MORE
rain drop 47%
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Showers
alerts

Flood Warning

1:00 PM Tuesday - 1:00 PM Saturday

RealFeel Shade™24°

WindS 14 mph

Air QualityFair

Max UV Index0.4 (Low)

Wind Gusts16 mph

Humidity72%

Indoor Humidity37% (Dry)

Dew Point28° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover100%

Visibility10 mi

Cloud Ceiling12400 ft

9 AM

39°
RealFeel® 26°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 54%
Chevron down
Showers
alerts

Flood Warning

1:00 PM Tuesday - 1:00 PM Saturday

RealFeel Shade™26°

WindS 15 mph

Air QualityFair

Max UV Index0.6 (Low)

Wind Gusts18 mph

Humidity63%

Indoor Humidity36% (Dry)

Dew Point27° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover96%

Rain0.02 in

Visibility6 mi

Cloud Ceiling7000 ft

10 AM

42°
RealFeel® 32°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 49%
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Cloudy
alerts

Flood Warning

1:00 PM Tuesday - 1:00 PM Saturday

RealFeel Shade™30°

WindS 17 mph

Air QualityFair

Max UV Index1.4 (Low)

Wind Gusts21 mph

Humidity59%

Indoor Humidity38% (Dry)

Dew Point29° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover95%

Visibility10 mi

Cloud Ceiling18600 ft

11 AM

48°
RealFeel® 39°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 34%
Chevron down
Cloudy
alerts

Flood Warning

1:00 PM Tuesday - 1:00 PM Saturday

RealFeel Shade™37°

WindS 20 mph

Air QualityFair

Max UV Index1.9 (Low)

Wind Gusts24 mph

Humidity53%

Indoor Humidity40% (Slightly Dry)

Dew Point31° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover95%

Visibility10 mi

Cloud Ceiling18600 ft

12 PM

53°
RealFeel® 46°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 34%
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Cloudy
alerts

Flood Warning

1:00 PM Tuesday - 1:00 PM Saturday

RealFeel Shade™43°

WindS 22 mph

Air QualityFair

Max UV Index2.4 (Low)

Wind Gusts28 mph

Humidity48%

Indoor Humidity42% (Slightly Dry)

Dew Point34° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover95%

Visibility10 mi

Cloud Ceiling18600 ft

1 PM

57°
RealFeel® 51°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 24%
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Cloudy
alerts

Flood Warning

1:00 PM Tuesday - 1:00 PM Saturday

RealFeel Shade™48°

WindS 23 mph

Air QualityFair

Max UV Index3.3 (Moderate)

Wind Gusts32 mph

Humidity46%

Indoor Humidity31% (Slightly Dry)

Dew Point36° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover95%

Visibility10 mi

Cloud Ceiling30000 ft

2 PM

61°
RealFeel® 58°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 6%
Chevron down
Partly sunny
alerts

Flood Warning

1:00 PM Tuesday - 1:00 PM Saturday

RealFeel Shade™53°

WindSSW 23 mph

Air QualityFair

Max UV Index5.6 (High)

Wind Gusts36 mph

Humidity43%

Indoor Humidity34% (Slightly Dry)

Dew Point38° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover46%

Visibility10 mi

Cloud Ceiling30000 ft

3 PM

64°
RealFeel® 62°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 6%
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Partly sunny
alerts

Flood Warning

1:00 PM Tuesday - 1:00 PM Saturday

RealFeel Shade™58°

WindSSW 22 mph

Air QualityFair

Max UV Index4.5 (Moderate)

Wind Gusts38 mph

Humidity41%

Indoor Humidity36% (Slightly Dry)

Dew Point40° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover46%

Visibility10 mi

Cloud Ceiling30000 ft

4 PM

66°
RealFeel® 64°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 6%
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Partly sunny
alerts

Flood Warning

1:00 PM Tuesday - 1:00 PM Saturday

RealFeel Shade™61°

WindSSW 22 mph

Air QualityFair

Max UV Index3.4 (Moderate)

Wind Gusts40 mph

Humidity41%

Indoor Humidity38% (Ideal Humidity)

Dew Point41° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover46%

Visibility10 mi

Cloud Ceiling30000 ft

5 PM

67°
RealFeel® 64°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 6%
Chevron down
Partly sunny
alerts

Flood Warning

1:00 PM Tuesday - 1:00 PM Saturday

RealFeel Shade™62°

WindSSW 22 mph

Air QualityFair

Max UV Index2.2 (Low)

Wind Gusts38 mph

Humidity41%

Indoor Humidity39% (Ideal Humidity)

Dew Point42° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover46%

Visibility10 mi

Cloud Ceiling30000 ft

6 PM

65°
RealFeel® 60°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 6%
Chevron down
Partly sunny
alerts

Flood Warning

1:00 PM Tuesday - 1:00 PM Saturday

RealFeel Shade™59°

WindSSW 22 mph

Air QualityFair

Max UV Index1.3 (Low)

Wind Gusts35 mph

Humidity45%

Indoor Humidity40% (Ideal Humidity)

Dew Point43° F

AccuLumen Brightness Index™7 (Bright)

Cloud Cover49%

Visibility10 mi

Cloud Ceiling30000 ft

7 PM

62°
RealFeel® 56°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 6%
Chevron down
Intermittent clouds
alerts

Flood Warning

1:00 PM Tuesday - 1:00 PM Saturday

RealFeel Shade™56°

WindSSW 21 mph

Air QualityFair

Max UV Index0.3 (Low)

Wind Gusts31 mph

Humidity51%

Indoor Humidity41% (Ideal Humidity)

Dew Point44° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling30000 ft

8 PM

60°
RealFeel® 53°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 7%
Chevron down
Cloudy
alerts

Flood Warning

1:00 PM Tuesday - 1:00 PM Saturday

WindSSW 21 mph

Air QualityFair

Wind Gusts30 mph

Humidity56%

Indoor Humidity42% (Ideal Humidity)

Dew Point44° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover95%

Visibility10 mi

Cloud Ceiling26400 ft

9 PM

59°
RealFeel® 52°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 7%
Chevron down
Cloudy
alerts

Flood Warning

1:00 PM Tuesday - 1:00 PM Saturday

WindSSW 21 mph

Air QualityFair

Wind Gusts30 mph

Humidity58%

Indoor Humidity43% (Ideal Humidity)

Dew Point45° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover95%

Visibility10 mi

Cloud Ceiling22800 ft

10 PM

59°
RealFeel® 52°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 6%
Chevron down
Cloudy
alerts

Flood Warning

1:00 PM Tuesday - 1:00 PM Saturday

WindSSW 21 mph

Air QualityFair

Wind Gusts28 mph

Humidity59%

Indoor Humidity43% (Ideal Humidity)

Dew Point45° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover95%

Visibility10 mi

Cloud Ceiling19300 ft

11 PM

58°
RealFeel® 51°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 5%
Chevron down
Cloudy
alerts

Flood Warning

1:00 PM Tuesday - 1:00 PM Saturday

WindSSW 21 mph

Air QualityFair

Wind Gusts25 mph

Humidity63%

Indoor Humidity45% (Ideal Humidity)

Dew Point46° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover95%

Visibility10 mi

Cloud Ceiling15200 ft

Hourly Weather Forecast for Johnsburg

AccuWeather's hourly forecast for Johnsburg provides hour-by-hour temperatures, RealFeel® Temperature, and precipitation probability through the next 10 days. The current hour shows 36° with a RealFeel® of 24° and a 47% chance of Showers. Each hourly forecast includes wind speed, humidity, air quality, UV index, and the AccuLumen Brightness Index™, AccuWeather's measure of perceived outdoor light intensity. Forecasts are generated by proprietary systems developed by AccuWeather meteorologists since 1962.

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