1 active weather warning 
Summit, IL Hourly forecast
6:55 PM 18:55
First quarter
Morning temperature of 19 °C, afternoon 22°, evening 20° and night 19°. Morning temperature of 67 degrees, afternoon 72°, evening 69° and night 67°.
Mostly clear, night light rain.
0.01 in 0.2 mmUpdated 9/17 1:43 PM 13:43
The hourly local weather forecast shows hour by hour weather conditions like temperature, feels like temperature, humidity, amount of precipitation and chance of precipitation, wind and gusts for Summit.
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Nearest Observations
Chicago, Chicago Midway Airport
+26° 78°
2 m/s 4 mph 7 kmh 2 BftDewpoint 21° 70°
Rel. hum. 79 %
Feels like +26° 79°
Pressure 1021 hPa 30.2 inHg 766 mmHg
Visibility 16000 m 10 mi
Chicago O'hare International Airport
+25° 77°
2 m/s 4 mph 7 kmh 2 BftDewpoint 21° 70°
Rel. hum. 83 %
Feels like +25° 77°
Pressure 1022 hPa 30.2 inHg 766.6 mmHg
Visibility 16000 m 10 mi
Chicago/romeoville, Lewis University Airport
+27° 81°
1 m/s 2 mph 4 kmh 1 BftDewpoint 24° 75°
Rel. hum. 84 %
Feels like +30° 86°
Pressure 1023 hPa 30.2 inHg 767.1 mmHg
Visibility 16000 m 10 mi
Nearest observations show current weather observations from your nearest weather stations.