TKHuman Westmont Weather

73°F

Westmont, Illinois, USA

Updated: 28-Sep-2026 4:15pm

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

METRIC | IMPERIAL

Updated: 28-Sep-2026 @ 4:15pm

Temperature

Current Conditions

Forecast / Storm Prediction

Currently Outside: 73.6°F Feels like: 76.9°F ---
High Today 75.9°F 1:33 PM	Low Today 47.1°F 6:28 AM
Yest High 75.0°F 2:30 PM	Yest Low 45.1°F 4:37 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: ENE 0.0 Gusting to: 0.0 mph
	Rain: 0.00 in
	Current CBI Fire Danger: 11.6 of 100

This Afternoon Sunny	Tonight Mostly Clear then Patchy Fog	Tuesday Patchy Fog then Mostly Sunny
Hi 75 °F	Lo 52 °F	Hi 77 °F

Dew Point

Liquid Precipitation

Wind Speed

Sun/Moon

Current:	57.9°F
Last Hour:	0.6°F
High 10:39 AM:	61.5°F
Low 6:28 AM:	46.3°F
Record High:	82.4°F on Sep-1-2026
Record Low:	26.8°F on May-7-2026
Wetbulb:	64.3°F

Rain Today
Today:	0.00 in
Yesterday:	0.00 in
Last 7 Days:	0.01 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 7 days since last rain

Current:	ENE 0.0 mph
1Hr Average:	Calm
Wind Run:	0.00 miles
Wind Gust
Current:	0.0 mph
Today:	4.3 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 55 m 55 s
of Sunlight Yesterday
11 h 53 m 7 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

94%
Illuminated

Humidity

Barometer

Current:	58%
Last Hour:	4%
High 3:48 AM:	97%
Low 1:38 PM:	52%
Record High:	97% May-24-2026
Record Low:	21% Jun-2-2026

Current:	29.469 inHg
Last Hour:	Steady
High 8:40 AM:	29.543
Low 3:45 PM:	29.467
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
Sep:	179.2
2026 to Date:	1017.2
Heating Degree Days
2026 to Date:	196.8

Current:	76.9°F
High 1:33pm:	75.9°F
Yesterday:	75.0°F
Record:	120.7°F Sep-1-2026

Quality
Index⁶:
58

Moderate

Density:
1.17 kg/m³

UV Summary/Forecast

Solar Summary

Sep-28

5.1

Sep-29

5.4

Sep-30

5.6

Sunrise is at: 6:45 am

Solar Noon: 12:42

Sunset is at: 6:38 pm

Almanac

Station All Time Records

Cloud Level

Currently:	Afternoon
YTD Avg Temp:	71.0°F
Sunrise:	6:45 am
Sunset:	6:38 pm
Moonrise:	6:59 pm
Moonset:	9:00 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:5 \| S3C2:0 \| Ajax 3.xx ISS:Ok \| CON:4.7 \| RCP:100%

METRIC | IMPERIAL

Updated: 28-Sep-2026 @ 4:15pm

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 28 of just the month of September for this station since 2012. ¹¹ Historical average rain this season to day 28 of September for this station since 2012.

Weather Forecast - Outlook This Afternoon & Tonight

This
Afternoon

Sunny

Hi 75 °F

NWS forecast: Sunny. High near 75, with temperatures falling to around 73 in the afternoon. Northeast wind around 5 mph.
Local station forecast: Mostly cloudy and cooler, precipitation likely, windy with possible wind shift to the w, nw, or n.

Tonight

Mostly Clear then Patchy Fog

Lo 52 °F

NWS forecast: Patchy fog after 1am. Mostly clear, with a low around 52. East wind 0 to 5 mph.

Short Term Weather Forecast

Tuesday Patchy Fog then Mostly Sunny	Tuesday Night Mostly Cloudy	Wednesday Chance Rain Showers	Wednesday Night Chance Rain Showers	Thursday Showers And T-Storms	Thursday Night Showers And T-Storms	Friday Showers And T-Storms Likely
Hi 77 °F	Lo 62 °F	Hi 76 °F	Lo 67 °F	Hi 74 °F	Lo 57 °F	Hi 66 °F