Hourly Weather Forecast - Lemont, PA

4 AM
7°F
0%
2mph
SSE
Clear
Humidity
77%
Feels like
7°F
Dew Point
1°F
5 AM
7°F
0%
2mph
SSE
Clear
Humidity
78%
Feels like
7°F
Dew Point
2°F
6 AM
7°F
0%
2mph
S
Clear
Humidity
78%
Feels like
7°F
Dew Point
2°F
7 AM
8°F
0%
3mph
SSE
Mostly Clear
Humidity
74%
Feels like
2°F
Dew Point
2°F
7:23 AM
8 AM
11°F
0%
4mph
S
Partly Cloudy
Humidity
66%
Feels like
4°F
Dew Point
2°F
9 AM
15°F
0%
5mph
S
Partly Cloudy
Humidity
58%
Feels like
6°F
Dew Point
2°F
10 AM
18°F
0%
6mph
S
Mostly Cloudy
Humidity
51%
Feels like
9°F
Dew Point
3°F
11 AM
21°F
0%
8mph
S
Mostly Cloudy
Humidity
48%
Feels like
11°F
Dew Point
4°F
12 PM
23°F
0%
9mph
S
Mostly Cloudy
Humidity
45%
Feels like
13°F
Dew Point
5°F
1 PM
25°F
0%
10mph
S
Mostly Cloudy
Humidity
44%
Feels like
15°F
Dew Point
7°F
2 PM
27°F
0%
11mph
S
Mostly Cloudy
Humidity
44%
Feels like
17°F
Dew Point
8°F
3 PM
28°F
10%
11mph
S
Mostly Cloudy
Humidity
44%
Feels like
18°F
Dew Point
9°F
4 PM
28°F
10%
11mph
S
Mostly Cloudy
Humidity
46%
Feels like
18°F
Dew Point
10°F
4:43 PM
5 PM
27°F
0%
11mph
S
Mostly Cloudy
Humidity
49%
Feels like
16°F
Dew Point
10°F
6 PM
27°F
0%
11mph
S
Mostly Cloudy
Humidity
50%
Feels like
17°F
Dew Point
11°F
7 PM
28°F
0%
11mph
S
Mostly Cloudy
Humidity
51%
Feels like
18°F
Dew Point
12°F
8 PM
28°F
0%
10mph
S
Cloudy
Humidity
52%
Feels like
19°F
Dew Point
13°F
9 PM
28°F
0%
9mph
S
Cloudy
Humidity
55%
Feels like
20°F
Dew Point
14°F
10 PM
28°F
0%
8mph
S
Cloudy
Humidity
59%
Feels like
20°F
Dew Point
15°F
11 PM
28°F
0%
7mph
S
Cloudy
Humidity
62%
Feels like
20°F
Dew Point
17°F

Snow and ice forecast through Thursday A.M.

Snow Barrels Across the Northern U.S.

Low pressure will produce a swath of snow from Minnesota to Maine into Thursday.

Rainfall Forecast for Northwest through Thursday

Heavy, Flooding Rain Impacts the Northwest

Today's Weather Outlook

Today's Weather Outlook

Weekly Drought Map for December 4, 2025

Active Week of Weather Leads to Mixed Drought Results

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

Cold Air Damming - Cause And Effects

People skating on a frozen pond on a clear day. (Image by Q K from Pixabay)

Safety Tips For Icy Surfaces

Today's National Outlook

Hurricane Tracker

Allergy Forecast

Snow & Ski Forecast

Traffic Cameras

Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide