TKHuman Westmont Weather

52°F

Westmont, Illinois, USA

Updated: 29-Sep-2026 4:30am

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Will County

SPECIAL WEATHER STATEMENT - Will County

	WU-satellite-animate.php?region=nc
Radar/Satellite images courtesy of NOAA/NWS and Weather Underground.

METRIC | IMPERIAL

Updated: 29-Sep-2026 @ 4:30am

Temperature

Current Conditions

Forecast / Storm Prediction

Currently Outside: 51.1°F ---
High Today 54.0°F 12:00 AM	Low Today 50.8°F 3:46 AM
Yest High 75.9°F 1:33 PM	Yest Low 47.1°F 6:28 AM
Sta* High ---°F 2026	Sta* Low ---°F 2026
* This Station's Records Since 12/2012
Rec* High 32.0°F 0	Rec* Low 32.0°F 0
* Records from Weather Underground

	Night time, Dry
	Wind: E 0.0 Gusting to: 0.0 mph
	Rain: 0.00 in
	Current CBI Fire Danger: -1.9 of 100

Overnight Areas Of Fog	Tuesday Areas Of Fog then Mostly Sunny	Tuesday Night Mostly Cloudy then Slight Chance Rain Showers
Lo 51 °F	Hi 77 °F	Lo 62 °F

Dew Point

Liquid Precipitation

Wind Speed

Sun/Moon

Current:	50.0°F
Last Hour:	0.8°F
High 12:00 AM:	52.6°F
Low 3:46 AM:	49.7°F
Record High:	82.4°F on Sep-1-2026
Record Low:	26.8°F on May-7-2026
Wetbulb:	50.5°F

Rain Today
Today:	0.00 in
Yesterday:	0.00 in
Last 7 Days:	0.00 in
Sep Rain:	3.99 in
Sep to Date Avg:¹⁰	0.00 in
Sep to Date Diff from Avg:¹⁰	3.99 in
Sep Avg:	0.00 in
Diff from Avg:	3.99 in
Season:¹	32.96 in
YTD Avg:¹¹	28.71 in
YTD Diff from Avg:¹¹	4.25 in
Last Rain Time/Date:	Sep-21-2026 at 12:08 AM
49 rain days in 2026
9 days in September 8 days since last rain

Current:	E 0.0 mph
1Hr Average:	Calm
Wind Run:	0.00 miles
Wind Gust
Current:	0.0 mph
Today:	0.0 mph 4:11 PM
Month:	13.9 mph 4-Sep
Year:	22.6 mph 3-Jul
Record Gust:	22.6 mph Jul-3-2026

Sunlight:

11 h 53 m 7 s
of Sunlight Yesterday
11 h 50 m 21 s
of Sunlight Today Which is
2 min 46 sec shorter than
yesterday
0 h 0 m 0 s
of Sunlight Tomorrow
(Noon)

(Midnight)
Legend

Waning Gibbous

91%
Illuminated

Humidity

Barometer

Current:	96%
Last Hour:	0%
High 2:08 AM:	96%
Low 12:01 AM:	94%
Record High:	97% May-24-2026
Record Low:	21% Jun-2-2026

Current:	29.469 inHg
Last Hour:	Steady
High 1:40 AM:	29.478
Low 3:11 AM:	29.457
Record High:	29.793 inHg Sep-23-2026
Record Low:	28.777 inHg Jun-17-2026

Heating Degree Days

Coming Soon

Wind Chill

Air

Today:	2.0
Sep:	33.8
2026 to Date:	194.6
Cooling Degree Days
2026 to Date:	1017.2

Current:	51.1°F
Low 3:46 AM:	50.8°F
Yesterday:	47.1°F
Record:	29.3°F May-7-2026

Quality
Index⁶:
57

Moderate

Density:
1.22 kg/m³

UV Summary/Forecast

Solar Summary

Sep-29

5.5

Sep-30

5.4

Oct-01

5.5

Sunrise is at: 6:46 am

Solar Noon: 12:42

Sunset is at: 6:36 pm

Almanac

Station All Time Records

Cloud Level

Currently:	Early Morning
YTD Avg Temp:	70.9°F
Sunrise:	6:46 am
Sunset:	6:36 pm
Moonrise:	7:27 pm
Moonset:	10:15 am
Full Moon:	Sep-26-2026
New Moon:	15:51 UTC Oct-10-2026

HIGHS:	LOWS:
98.8°F Jul-14-2026	29.3°F May-7-2026
Daytime Records
91.2°F Jul-01-2026	54.0°F May-06-2026
Nitetime Records
84.2°F Jul-01-2026	39.6°F May-07-2026
ICN:1 \| S3C2:0 \| Ajax 3.xx ISS:Ok \| CON:4.7 \| RCP:100%

METRIC | IMPERIAL

Updated: 29-Sep-2026 @ 4:30am

¹ Rain season: Jan 1st to Dec 31st. ² Snow season July 1st to June 30th. ³ Snow manually measured usually around 7AM and 7PM. ⁶ Air Quality Index is provided by Minnesota Polution Control Agency and is updated hourly between the hours of 6AM and Midnight. ¹⁰ Historical average only to day 29 of just the month of September for this station since 2012. ¹¹ Historical average rain this season to day 29 of September for this station since 2012.

Weather Forecast - Outlook Overnight & Tuesday

Overnight

Areas Of Fog

Lo 51 °F

NWS forecast: Areas of fog. Partly cloudy, with a low around 51. Wind around 0 mph.
Local station forecast: Mostly cloudy and cooler, precipitation possible within 12 hours, possibly heavy at times, windy.

Tuesday

Areas Of Fog then Mostly Sunny

Hi 77 °F

NWS forecast: Areas of fog before 10am. Mostly sunny. High near 77, with temperatures falling to around 75 in the afternoon. South wind 0 to 5 mph, with gusts as high as 15 mph.

Short Term Weather Forecast

Tuesday Night Mostly Cloudy then Slight Chance Rain Showers	Wednesday Rain Showers Likely	Wednesday Night Chance Rain Showers	Thursday Showers And T-Storms	Thursday Night Showers And T-Storms	Friday Rain Showers	Friday Night Chance Rain Showers then Partly Cloudy
Lo 62 °F	Hi 73 °F	Lo 67 °F	Hi 75 °F	Lo 59 °F	Hi 66 °F	Lo 50 °F