Hourly Weather Forecast - Lemont, PA

12 AM
26°F
20%
2mph
SW
Partly Cloudy
Humidity
89%
Feels like
26°F
Dew Point
23°F
1 AM
25°F
20%
2mph
S
Partly Cloudy
Humidity
89%
Feels like
25°F
Dew Point
22°F
2 AM
23°F
20%
2mph
SSE
Partly Cloudy
Humidity
92%
Feels like
23°F
Dew Point
21°F
3 AM
22°F
20%
3mph
SSE
Hazy
Humidity
94%
Feels like
22°F
Dew Point
21°F
4 AM
22°F
20%
4mph
SSE
Hazy
Humidity
96%
Feels like
17°F
Dew Point
21°F
5 AM
22°F
20%
4mph
SSE
Hazy
Humidity
96%
Feels like
16°F
Dew Point
21°F
6 AM
22°F
20%
4mph
SSE
Hazy
Humidity
96%
Feels like
16°F
Dew Point
21°F
7 AM
23°F
20%
5mph
SSE
Hazy
Humidity
91%
Feels like
17°F
Dew Point
21°F
7:30 AM
8 AM
26°F
20%
6mph
SSE
Partly Cloudy
Humidity
88%
Feels like
19°F
Dew Point
23°F
9 AM
29°F
20%
7mph
SSE
Partly Cloudy
Humidity
82%
Feels like
22°F
Dew Point
25°F
10 AM
33°F
20%
8mph
SSE
Partly Cloudy
Humidity
76%
Feels like
26°F
Dew Point
26°F
11 AM
36°F
20%
9mph
SSE
Partly Cloudy
Humidity
72%
Feels like
29°F
Dew Point
28°F
12 PM
38°F
20%
10mph
SSE
Mostly Cloudy
Humidity
70%
Feels like
31°F
Dew Point
29°F
1 PM
40°F
20%
10mph
SSE
Mostly Cloudy
Humidity
68%
Feels like
33°F
Dew Point
30°F
2 PM
40°F
20%
10mph
SSE
Mostly Cloudy
Humidity
67%
Feels like
34°F
Dew Point
30°F
3 PM
40°F
20%
10mph
SSE
Partly Cloudy
Humidity
70%
Feels like
34°F
Dew Point
31°F
4 PM
39°F
20%
10mph
SSE
Partly Cloudy
Humidity
73%
Feels like
32°F
Dew Point
31°F
4:45 PM
5 PM
38°F
20%
10mph
SSE
Partly Cloudy
Humidity
77%
Feels like
31°F
Dew Point
31°F
6 PM
37°F
30%
10mph
SSE
30% Chance Rain Showers
Humidity
79%
Feels like
30°F
Dew Point
31°F
7 PM
37°F
40%
9mph
SSE
40% Chance Rain Showers
Humidity
82%
Feels like
31°F
Dew Point
33°F
8 PM
38°F
40%
11mph
SSE
40% Chance Rain Showers
Humidity
85%
Feels like
31°F
Dew Point
34°F
9 PM
39°F
50%
11mph
S
50% Chance Rain Showers
Humidity
86%
Feels like
32°F
Dew Point
35°F
10 PM
40°F
60%
12mph
S
60% Chance of Light Rain
Humidity
85%
Feels like
33°F
Dew Point
37°F
11 PM
42°F
80%
13mph
S
80% Chance of Rain
Humidity
83%
Feels like
35°F
Dew Point
37°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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