Hourly Weather Forecast - Cornwall, PA

12 AM
24°F
10%
3mph
NW
Clear
Humidity
69%
Feels like
21°F
Dew Point
16°F
1 AM
24°F
10%
3mph
NNW
Clear
Humidity
69%
Feels like
24°F
Dew Point
16°F
2 AM
24°F
10%
3mph
NNW
Clear
Humidity
69%
Feels like
24°F
Dew Point
15°F
3 AM
24°F
10%
2mph
NW
Clear
Humidity
69%
Feels like
24°F
Dew Point
15°F
4 AM
24°F
10%
2mph
NW
Clear
Humidity
68%
Feels like
24°F
Dew Point
15°F
5 AM
23°F
10%
2mph
NW
Clear
Humidity
68%
Feels like
23°F
Dew Point
14°F
6 AM
21°F
10%
2mph
NW
Clear
Humidity
72%
Feels like
21°F
Dew Point
14°F
7 AM
20°F
10%
2mph
NW
Mostly Clear
Humidity
77%
Feels like
20°F
Dew Point
14°F
7:28 AM
8 AM
20°F
10%
3mph
NW
Partly Cloudy
Humidity
74%
Feels like
20°F
Dew Point
13°F
9 AM
22°F
10%
3mph
NW
Partly Cloudy
Humidity
67%
Feels like
18°F
Dew Point
13°F
10 AM
25°F
10%
4mph
NW
Mostly Cloudy
Humidity
59%
Feels like
21°F
Dew Point
13°F
11 AM
28°F
10%
4mph
NW
Mostly Cloudy
Humidity
53%
Feels like
24°F
Dew Point
13°F
12 PM
30°F
10%
4mph
WNW
Mostly Cloudy
Humidity
50%
Feels like
26°F
Dew Point
13°F
1 PM
31°F
10%
4mph
WNW
Mostly Cloudy
Humidity
48%
Feels like
28°F
Dew Point
14°F
2 PM
32°F
10%
3mph
WNW
Mostly Cloudy
Humidity
47%
Feels like
29°F
Dew Point
14°F

Snow and Ice Forecast Through Monday

Storm Brings Heavy Midwestern Snow, New England Icing

A winter storm will deliver snow and significant icing from the Midwest to New England.

Tuesday's Weather Outlook

Tuesday's Weather Outlook

Satellite image of Hurricane Melissa

2025 Year in Review: Powerful Hurricanes in the Atlantic

A frame from an automated video of a tornado and its mesocyclone that derailed multiple train cars near Enderlin, North Dakota and destroyed multiple homes on June 20, 2025. (ChrisWx via Wikimedia Commons)

2025 Year in Review: Extreme Weather - January through June

Large wall of dust approaching Phoenix Sky Harbor Airport at around 5:30 PM MST (Photo credit: Mike Olbinski via NWS)

2025 Year in Review: Extreme Weather - July Through December

Photos and videos from the Palisades Fire that started in the City of Los Angeles, January 8, 2025. (CAL FIRE_Official via Wikimedia Commons)

2025 Year in Review: Billion Dollar Disasters - The California Wildfires

loading ad...

Today's National Outlook

Hurricane Tracker

Allergy Forecast

Snow & Ski Forecast

Traffic Cameras

Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide