Hourly Weather Forecast - Lemont, PA

12 AM
43°F
100%
12mph
S
Light Rain
Humidity
81%
Feels like
36°F
Dew Point
37°F
1 AM
44°F
100%
12mph
S
Light Rain
Humidity
78%
Feels like
37°F
Dew Point
37°F
2 AM
44°F
100%
12mph
SSW
Light Rain
Humidity
78%
Feels like
37°F
Dew Point
37°F
3 AM
44°F
100%
12mph
SW
Light Rain
Humidity
81%
Feels like
37°F
Dew Point
38°F
4 AM
43°F
100%
11mph
WSW
Light Rain
Humidity
81%
Feels like
36°F
Dew Point
37°F
5 AM
42°F
90%
12mph
WSW
Light Rain
Humidity
83%
Feels like
35°F
Dew Point
37°F
6 AM
40°F
90%
13mph
WSW
Rain Showers
Humidity
85%
Feels like
33°F
Dew Point
36°F
7 AM
39°F
40%
13mph
WSW
40% Chance Snow Showers
Humidity
84%
Feels like
31°F
Dew Point
34°F
7:30 AM
8 AM
37°F
20%
15mph
W
Mostly Cloudy
Humidity
81%
Feels like
28°F
Dew Point
32°F
9 AM
36°F
10%
16mph
W
Mostly Cloudy
Humidity
74%
Feels like
26°F
Dew Point
28°F
10 AM
35°F
10%
17mph
W
Mostly Cloudy
Humidity
68%
Feels like
24°F
Dew Point
25°F
11 AM
34°F
10%
18mph
W
Mostly Cloudy
Humidity
68%
Feels like
23°F
Dew Point
24°F
12 PM
33°F
10%
19mph
W
Partly Cloudy
Humidity
68%
Feels like
22°F
Dew Point
24°F
1 PM
33°F
10%
19mph
W
Partly Cloudy
Humidity
63%
Feels like
21°F
Dew Point
22°F
2 PM
32°F
10%
19mph
W
Partly Cloudy
Humidity
61%
Feels like
20°F
Dew Point
20°F
3 PM
31°F
10%
19mph
W
Mostly Cloudy
Humidity
61%
Feels like
18°F
Dew Point
19°F
4 PM
29°F
10%
19mph
W
Mostly Cloudy
Humidity
59%
Feels like
16°F
Dew Point
17°F
4:45 PM
5 PM
28°F
10%
19mph
W
Partly Cloudy
Humidity
58%
Feels like
15°F
Dew Point
15°F
6 PM
27°F
0%
18mph
WNW
Partly Cloudy
Humidity
58%
Feels like
13°F
Dew Point
14°F
7 PM
26°F
0%
18mph
WNW
Partly Cloudy
Humidity
57%
Feels like
12°F
Dew Point
13°F
8 PM
24°F
0%
17mph
WNW
Partly Cloudy
Humidity
57%
Feels like
11°F
Dew Point
11°F
9 PM
24°F
0%
17mph
WNW
Partly Cloudy
Humidity
56%
Feels like
10°F
Dew Point
10°F
10 PM
23°F
0%
16mph
WNW
Partly Cloudy
Humidity
56%
Feels like
10°F
Dew Point
10°F
11 PM
22°F
0%
15mph
WNW
Partly Cloudy
Humidity
57%
Feels like
9°F
Dew Point
10°F

Rainfall Totals Through Wednesday A.M.

Heavy Rain Returns to Deluge Pacific Northwest

Another atmospheric river will hit the Pacific Northwest with heavy rain and high winds.

Monday's Weather Outlook

Today's Weather Outlook

How to Measure Snow via NWS

How To Measure Snow

Weekly Drought Map for December 11, 2025

Hit-or-Miss Precipitation Leads to Mixed Drought Results

A person standing in a snowy forest with their back to the camera. They are bundled up in a white hat and a brown jacket. (Image by StockSnap from Pixabay)

Common Cold Weather Illnesses

A strong cold-air-damming event from March 20, 2018.

Cold Air Damming - Cause And Effects

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