Hourly Weather Forecast - Arnold, PA

12 AM
16°F
0%
2mph
SW
Mostly Clear
Humidity
70%
Feels like
16°F
Dew Point
8°F
1 AM
16°F
0%
2mph
SW
Mostly Clear
Humidity
71%
Feels like
16°F
Dew Point
8°F
2 AM
16°F
0%
1mph
SW
Partly Cloudy
Humidity
71%
Feels like
16°F
Dew Point
8°F
3 AM
16°F
0%
1mph
SW
Mostly Clear
Humidity
74%
Feels like
16°F
Dew Point
9°F
4 AM
15°F
0%
1mph
SW
Clear
Humidity
76%
Feels like
15°F
Dew Point
9°F
5 AM
15°F
0%
1mph
SW
Clear
Humidity
75%
Feels like
15°F
Dew Point
8°F
6 AM
14°F
0%
1mph
SSW
Clear
Humidity
77%
Feels like
14°F
Dew Point
8°F
7 AM
15°F
0%
1mph
SSW
Clear
Humidity
76%
Feels like
15°F
Dew Point
8°F
7:36 AM
8 AM
17°F
0%
2mph
SSW
Sunny
Humidity
75%
Feels like
17°F
Dew Point
10°F
9 AM
20°F
0%
2mph
SSW
Sunny
Humidity
73%
Feels like
20°F
Dew Point
13°F
10 AM
24°F
0%
2mph
SSW
Sunny
Humidity
67%
Feels like
24°F
Dew Point
14°F
11 AM
27°F
0%
3mph
SSW
Sunny
Humidity
60%
Feels like
27°F
Dew Point
15°F
12 PM
30°F
0%
4mph
SSW
Sunny
Humidity
55%
Feels like
26°F
Dew Point
16°F
1 PM
32°F
0%
4mph
SSW
Mostly Sunny
Humidity
53%
Feels like
28°F
Dew Point
17°F
2 PM
33°F
0%
4mph
SSW
Sunny
Humidity
54%
Feels like
30°F
Dew Point
19°F
3 PM
34°F
0%
4mph
SSW
Sunny
Humidity
55%
Feels like
30°F
Dew Point
19°F
4 PM
33°F
0%
4mph
SSW
Sunny
Humidity
56%
Feels like
30°F
Dew Point
19°F
4:53 PM
5 PM
32°F
0%
4mph
SSW
Clear
Humidity
58%
Feels like
29°F
Dew Point
19°F
6 PM
31°F
0%
4mph
SSW
Clear
Humidity
59%
Feels like
28°F
Dew Point
19°F
7 PM
30°F
0%
4mph
SSW
Clear
Humidity
64%
Feels like
27°F
Dew Point
20°F
8 PM
30°F
0%
4mph
SSW
Clear
Humidity
66%
Feels like
27°F
Dew Point
20°F
9 PM
30°F
0%
4mph
SSW
Clear
Humidity
66%
Feels like
26°F
Dew Point
20°F
10 PM
31°F
0%
4mph
SSW
Mostly Clear
Humidity
67%
Feels like
27°F
Dew Point
21°F
11 PM
32°F
0%
4mph
SSW
Partly Cloudy
Humidity
66%
Feels like
27°F
Dew Point
22°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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