TKHuman Westmont Weather

70°F

Westmont, Illinois, USA

Updated: 01-Oct-2026 10:00am

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FLOOD WATCH - DuPage County - Will County

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

METRIC | IMPERIAL

Updated: 01-Oct-2026 @ 10:00am

Temperature

Current Conditions

Forecast / Storm Prediction

Currently Outside: 69.3°F Feels like: 64.7°F ---
High Today 69.3°F 9:59 AM	Low Today 63.6°F 12:00 AM
Yest High 69.1°F 12:08 AM	Yest Low 61.2°F 8:03 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: ESE 0.0 Gusting to: 0.0 mph
	Rain: 0.10 in
	Current CBI Fire Danger: -1.2 of 100

Today Showers And T-Storms	Tonight Showers And T-Storms	Friday Mostly Sunny
Hi 72 °F	Lo 54 °F	Hi 66 °F

Dew Point

Liquid Precipitation

Wind Speed

Sun/Moon

Current:	67.2°F
Last Hour:	0.8°F
High 9:54 AM:	67.3°F
Low 12:00 AM:	62.4°F
Record High:	82.4°F on Sep-1-2026
Record Low:	26.8°F on May-7-2026
Wetbulb:	67.9°F

Rain Today
Today:	0.10 in
Yesterday:	1.11 in
Last 7 Days:	1.12 in
Oct Rain:	0.10 in
Oct to Date Avg:¹⁰	0.00 in
Oct to Date Diff from Avg:¹⁰	0.10 in
Oct Avg:	0.00 in
Diff from Avg:	0.10 in
Season:¹	34.18 in
YTD Avg:¹¹	33.77 in
YTD Diff from Avg:¹¹	0.41 in
Last Rain Time/Date:	Oct-1-2026 at 8:04 AM
50 rain days in 2026
1 day in October 0 days since last rain

Current:	ESE 0.0 mph
1Hr Average:	Calm
Wind Run:	0.00 miles
Wind Gust
Current:	0.0 mph
Today:	0.0 mph 10:38 AM
Month:	0.0 mph 1-Oct
Year:	22.6 mph 3-Jul
Record Gust:	22.6 mph Jul-3-2026

Sunlight:

11 h 47 m 33 s
of Sunlight Yesterday
11 h 44 m 47 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

71%
Illuminated

Humidity

Barometer

Current:	93%
Last Hour:	2%
High 2:40 AM:	97%
Low 9:54 AM:	93%
Record High:	97% May-24-2026
Record Low:	21% Jun-2-2026

Current:	29.282 inHg
Last Hour:	Steady
High 2:18 AM:	29.305
Low 7:53 AM:	29.260
Record High:	29.793 inHg Sep-23-2026
Record Low:	28.777 inHg Jun-17-2026

Cooling Degree Days

Coming Soon

Heat Index

Air

Today:	0.0
Oct:	0.0
2026 to Date:	1017.3
Heating Degree Days
2026 to Date:	193.2

Current:	64.7°F
High 9:59am:	69.3°F
Yesterday:	69.1°F
Record:	120.7°F Sep-1-2026

Quality
Index⁶:
41

Good

Density:
1.17 kg/m³

UV Summary/Forecast

Solar Summary

Oct-01

5.9

Oct-02

4.9

Oct-03

4.8

Sunrise is at: 6:48 am

Solar Noon: 12:41

Sunset is at: 6:33 pm

Almanac

Station All Time Records

Cloud Level

Currently:	Morning
YTD Avg Temp:	70.8°F
Sunrise:	6:48 am
Sunset:	6:33 pm
Moonrise:	8:43 pm
Moonset:	12:43 pm
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
95.0°F Sep-02-2026	54.0°F May-06-2026
Nitetime Records
84.2°F Jul-01-2026	39.6°F May-07-2026
ICN:5 \| S3C2:0 \| Ajax 3.xx ISS:Ok \| CON:4.7 \| RCP:100%

METRIC | IMPERIAL

Updated: 01-Oct-2026 @ 10:00am

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 1 of just the month of October for this station since 2012. ¹¹ Historical average rain this season to day 1 of October for this station since 2012.

Weather Forecast - Outlook Today & Tonight

Today

Showers And T-Storms

Hi 72 °F

NWS forecast: Rain showers likely before 10am, then showers and thunderstorms. Cloudy. High near 72, with temperatures falling to around 68 in the afternoon. West 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 possible within 12 hours, possibly heavy at times, windy.

Tonight

Showers And T-Storms

Lo 54 °F

NWS forecast: Showers and thunderstorms before 4am. Cloudy. Low around 54, with temperatures rising to around 56 overnight. North northwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.

Short Term Weather Forecast

Friday Mostly Sunny	Friday Night Clear	Saturday Sunny	Saturday Night Mostly Clear	Sunday Sunny	Sunday Night Mostly Clear	Monday Sunny
Hi 66 °F	Lo 44 °F	Hi 67 °F	Lo 46 °F	Hi 71 °F	Lo 46 °F	Hi 65 °F