Hourly Weather Forecast - Cornwall, PA

12 AM
39°F
0%
8mph
WNW
Mostly Cloudy
Humidity
89%
Feels like
34°F
Dew Point
36°F
1 AM
40°F
0%
9mph
WNW
Mostly Cloudy
Humidity
88%
Feels like
34°F
Dew Point
36°F
2 AM
40°F
0%
9mph
WNW
Mostly Cloudy
Humidity
84%
Feels like
34°F
Dew Point
36°F
3 AM
40°F
0%
10mph
WNW
Mostly Cloudy
Humidity
81%
Feels like
34°F
Dew Point
35°F
4 AM
40°F
0%
11mph
WNW
Cloudy
Humidity
79%
Feels like
33°F
Dew Point
34°F
5 AM
39°F
0%
11mph
NW
Mostly Cloudy
Humidity
79%
Feels like
32°F
Dew Point
33°F
6 AM
38°F
0%
10mph
NW
Mostly Cloudy
Humidity
78%
Feels like
32°F
Dew Point
32°F
7 AM
38°F
0%
10mph
NW
Mostly Cloudy
Humidity
75%
Feels like
31°F
Dew Point
31°F
7:26 AM
8 AM
38°F
0%
10mph
NW
Mostly Cloudy
Humidity
71%
Feels like
32°F
Dew Point
30°F
9 AM
40°F
0%
11mph
NW
Partly Cloudy
Humidity
66%
Feels like
33°F
Dew Point
29°F
10 AM
41°F
0%
11mph
NW
Partly Cloudy
Humidity
61%
Feels like
35°F
Dew Point
29°F
11 AM
43°F
0%
10mph
NW
Partly Cloudy
Humidity
53%
Feels like
37°F
Dew Point
27°F
12 PM
44°F
0%
10mph
NW
Partly Cloudy
Humidity
51%
Feels like
39°F
Dew Point
27°F
1 PM
44°F
0%
9mph
NW
Mostly Sunny
Humidity
52%
Feels like
39°F
Dew Point
28°F
2 PM
44°F
0%
8mph
NW
Mostly Sunny
Humidity
52%
Feels like
39°F
Dew Point
27°F
3 PM
42°F
0%
6mph
NW
Mostly Sunny
Humidity
53%
Feels like
38°F
Dew Point
26°F
4 PM
39°F
0%
4mph
NW
Mostly Sunny
Humidity
60%
Feels like
36°F
Dew Point
27°F
4:44 PM
5 PM
36°F
0%
3mph
NW
Mostly Clear
Humidity
68%
Feels like
34°F
Dew Point
27°F
6 PM
34°F
0%
2mph
NW
Partly Cloudy
Humidity
77%
Feels like
34°F
Dew Point
27°F
7 PM
32°F
0%
1mph
NW
Partly Cloudy
Humidity
82%
Feels like
32°F
Dew Point
27°F
8 PM
31°F
10%
1mph
N
Partly Cloudy
Humidity
84%
Feels like
31°F
Dew Point
27°F
9 PM
31°F
10%
1mph
ENE
Mostly Cloudy
Humidity
84%
Feels like
31°F
Dew Point
27°F
10 PM
31°F
10%
1mph
E
Mostly Cloudy
Humidity
86%
Feels like
31°F
Dew Point
27°F
11 PM
31°F
10%
1mph
ESE
Partly Cloudy
Humidity
86%
Feels like
31°F
Dew Point
27°F

Rain And Snow Totals Through Monday

Atmospheric River Impacts Northern California

The plume of abundant moisture impacting the Northwest the last several days will focus more on Northern California through Monday bringing heavy rainfall and mountain snow.

NOAA, NCDC

White Christmas? What Are The Odds

Today's Weather Outlook

Today's Weather Outlook

Cold weather

During Extreme Cold: Watch for Frostbite!

Flu Update Valid For Week Ending December 13, 2025

Weekly Flu Update: Flu Spreading Hard Across U.S.

Watch vs. Warning

Flash Flood Watch and Warning Defined

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