Hourly Weather Forecast - Arnold, PA

12 AM
33°F
0%
5mph
SSW
Mostly Cloudy
Humidity
67%
Feels like
29°F
Dew Point
24°F
1 AM
34°F
10%
5mph
SSW
Cloudy
Humidity
70%
Feels like
30°F
Dew Point
26°F
2 AM
35°F
20%
6mph
SSW
Cloudy
Humidity
71%
Feels like
30°F
Dew Point
27°F
3 AM
35°F
20%
6mph
SW
Cloudy
Humidity
74%
Feels like
30°F
Dew Point
28°F
4 AM
35°F
20%
6mph
SW
Cloudy
Humidity
74%
Feels like
30°F
Dew Point
28°F
5 AM
36°F
10%
6mph
SW
Cloudy
Humidity
70%
Feels like
31°F
Dew Point
27°F
6 AM
36°F
0%
6mph
SW
Cloudy
Humidity
70%
Feels like
31°F
Dew Point
27°F
7 AM
37°F
0%
6mph
SW
Cloudy
Humidity
68%
Feels like
32°F
Dew Point
28°F
7:36 AM
8 AM
38°F
0%
7mph
SW
Mostly Cloudy
Humidity
68%
Feels like
33°F
Dew Point
29°F
9 AM
40°F
0%
7mph
SW
Partly Cloudy
Humidity
70%
Feels like
35°F
Dew Point
31°F
10 AM
41°F
0%
7mph
SW
Mostly Cloudy
Humidity
68%
Feels like
36°F
Dew Point
31°F
11 AM
41°F
0%
7mph
SW
Cloudy
Humidity
67%
Feels like
37°F
Dew Point
31°F
12 PM
42°F
0%
7mph
WSW
Cloudy
Humidity
65%
Feels like
37°F
Dew Point
31°F
1 PM
42°F
0%
6mph
WSW
Cloudy
Humidity
65%
Feels like
37°F
Dew Point
31°F
2 PM
41°F
0%
5mph
WSW
Mostly Cloudy
Humidity
68%
Feels like
37°F
Dew Point
31°F
3 PM
40°F
0%
4mph
WSW
Mostly Cloudy
Humidity
72%
Feels like
37°F
Dew Point
32°F
4 PM
39°F
0%
3mph
WSW
Mostly Cloudy
Humidity
74%
Feels like
37°F
Dew Point
31°F
4:53 PM
5 PM
38°F
0%
2mph
WSW
Mostly Cloudy
Humidity
76%
Feels like
38°F
Dew Point
31°F
6 PM
37°F
0%
1mph
WSW
Mostly Cloudy
Humidity
78%
Feels like
37°F
Dew Point
31°F
7 PM
36°F
0%
0mph
WSW
Mostly Cloudy
Humidity
83%
Feels like
36°F
Dew Point
31°F
8 PM
35°F
0%
0mph
SW
Mostly Cloudy
Humidity
84%
Feels like
35°F
Dew Point
31°F
9 PM
34°F
0%
0mph
S
Mostly Cloudy
Humidity
86%
Feels like
34°F
Dew Point
30°F
10 PM
33°F
0%
0mph
SSE
Mostly Cloudy
Humidity
88%
Feels like
33°F
Dew Point
30°F
11 PM
31°F
0%
0mph
SSE
Partly Cloudy
Humidity
87%
Feels like
31°F
Dew Point
28°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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