TKHuman Westmont Weather

61°F

Westmont, Illinois, USA

Updated: 30-Sep-2026 8:05am

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FLOOD WATCH - DuPage County

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Radar/Satellite images courtesy of NOAA/NWS and Weather Underground.

METRIC | IMPERIAL

Updated: 30-Sep-2026 @ 8:05am

Temperature

Current Conditions

Forecast / Storm Prediction

Currently Outside: 61.3°F ---
High Today 69.1°F 12:08 AM	Low Today 61.2°F 8:03 AM
Yest High 80.3°F 2:39 PM	Yest Low 48.8°F 7:10 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

	Day time
	Wind: NE 0.0 Gusting to: 0.0 mph
	Rain: 0.14 in
	Current CBI Fire Danger: -1.2 of 100

Today Rain Showers	Tonight Rain Showers Likely	Thursday Showers And T-Storms
Hi 67 °F	Lo 65 °F	Hi 73 °F

Dew Point

Liquid Precipitation

Wind Speed

Sun/Moon

Current:	58.7°F
Last Hour:	0.8°F
High 7:54 AM:	58.7°F
Low 12:00 AM:	54.4°F
Record High:	82.4°F on Sep-1-2026
Record Low:	26.8°F on May-7-2026
Wetbulb:	59.8°F

Rain Today
Today:	0.14 in
Rate (/hr):	0.208 in
Yesterday:	0.01 in
Last 7 Days:	0.01 in
Sep Rain:	4.14 in
Sep to Date Avg:¹⁰	0.00 in
Sep to Date Diff from Avg:¹⁰	4.14 in
Sep Avg:	0.00 in
Diff from Avg:	4.14 in
Season:¹	33.11 in
YTD Avg:¹¹	28.71 in
YTD Diff from Avg:¹¹	4.40 in
50 rain days in 2026
11 days in September 0 days since last rain

Current:	NE 0.0 mph
1Hr Average:	Calm
Wind Run:	0.00 miles
Wind Gust
Current:	0.0 mph
Today:	3.0 mph 1:18 AM
Month:	13.9 mph 4-Sep
Year:	22.6 mph 3-Jul
Record Gust:	22.6 mph Jul-3-2026

Sunlight:

11 h 50 m 21 s
of Sunlight Yesterday
11 h 47 m 33 s
of Sunlight Today Which is
2 min 48 sec shorter than
yesterday
0 h 0 m 0 s
of Sunlight Tomorrow
(Noon)

(Midnight)
Legend

Waning Gibbous

82%
Illuminated

Humidity

Barometer

Current:	91%
Last Hour:	7%
High 7:54 AM:	91%
Low 12:00 AM:	60%
Record High:	97% May-24-2026
Record Low:	21% Jun-2-2026

Current:	29.379 inHg
Last Hour:	Steady
High 7:59 AM:	29.379
Low 4:20 AM:	29.318
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:	0.0
Sep:	31.8
2026 to Date:	192.6
Cooling Degree Days
2026 to Date:	1018.4

Current:	61.3°F
Low 8:03 AM:	61.2°F
Yesterday:	48.8°F
Record:	29.3°F May-7-2026

Quality
Index⁶:
58

Moderate

Density:
1.19 kg/m³

UV Summary/Forecast

Solar Summary

Sep-30

5.6

Oct-01

5.7

Oct-02

5.0

Sunrise is at: 6:47 am

Solar Noon: 12:41

Sunset is at: 6:35 pm

Almanac

Station All Time Records

Cloud Level

Currently:	Morning
YTD Avg Temp:	70.9°F
Sunrise:	6:47 am
Sunset:	6:35 pm
Moonrise:	8:01 pm
Moonset:	11:31 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:20 \| S3C2:0 \| Ajax 3.xx ISS:Ok \| CON:4.7 \| RCP:100%

METRIC | IMPERIAL

Updated: 30-Sep-2026 @ 8:05am

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 30 of just the month of September for this station since 2012. ¹¹ Historical average rain this season to day 30 of September for this station since 2012.

Weather Forecast - Outlook Today & Tonight

Today

Rain Showers

Hi 67 °F

NWS forecast: Rain showers. Cloudy, with a high near 67. South southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.
Local station forecast: Mostly cloudy and cooler, precipitation ending within 6 hrs, windy with possible wind shift to the w, nw, or n.

Tonight

Rain Showers Likely

Lo 65 °F

NWS forecast: Rain showers likely. Mostly cloudy, with a low around 65. South southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

Short Term Weather Forecast

Thursday Showers And T-Storms	Thursday Night Showers And T-Storms	Friday Chance Rain Showers then Mostly Sunny	Friday Night Mostly Clear	Saturday Sunny	Saturday Night Partly Cloudy	Sunday Sunny
Hi 73 °F	Lo 56 °F	Hi 67 °F	Lo 47 °F	Hi 67 °F	Lo 48 °F	Hi 69 °F