Hourly Weather Forecast - Arnold, PA

12 AM
22°F
0%
2mph
WNW
Clear
Humidity
60%
Feels like
22°F
Dew Point
11°F
1 AM
22°F
0%
2mph
WNW
Mostly Clear
Humidity
61%
Feels like
22°F
Dew Point
11°F
2 AM
22°F
0%
2mph
WNW
Mostly Clear
Humidity
62%
Feels like
22°F
Dew Point
11°F
3 AM
21°F
0%
2mph
WNW
Mostly Clear
Humidity
65%
Feels like
21°F
Dew Point
11°F
4 AM
20°F
0%
1mph
WNW
Mostly Clear
Humidity
70%
Feels like
20°F
Dew Point
12°F
5 AM
20°F
0%
1mph
W
Mostly Clear
Humidity
68%
Feels like
20°F
Dew Point
11°F
6 AM
20°F
0%
1mph
W
Mostly Clear
Humidity
67%
Feels like
20°F
Dew Point
11°F
7 AM
21°F
10%
1mph
W
Partly Cloudy
Humidity
65%
Feels like
21°F
Dew Point
11°F
7:39 AM
8 AM
22°F
10%
1mph
W
Partly Cloudy
Humidity
63%
Feels like
22°F
Dew Point
12°F
9 AM
25°F
10%
1mph
W
Partly Cloudy
Humidity
61%
Feels like
25°F
Dew Point
14°F
10 AM
29°F
10%
1mph
WSW
Mostly Cloudy
Humidity
55%
Feels like
29°F
Dew Point
15°F
11 AM
32°F
0%
1mph
W
Mostly Cloudy
Humidity
48%
Feels like
32°F
Dew Point
15°F
12 PM
35°F
0%
1mph
W
Cloudy
Humidity
43%
Feels like
35°F
Dew Point
15°F
1 PM
36°F
0%
1mph
W
Cloudy
Humidity
41%
Feels like
36°F
Dew Point
15°F
2 PM
37°F
10%
1mph
W
Cloudy
Humidity
38%
Feels like
37°F
Dew Point
14°F
3 PM
37°F
10%
1mph
WSW
Cloudy
Humidity
38%
Feels like
37°F
Dew Point
14°F
4 PM
35°F
10%
0mph
SW
Cloudy
Humidity
42%
Feels like
35°F
Dew Point
15°F
4:55 PM
5 PM
34°F
10%
0mph
SSW
Cloudy
Humidity
44%
Feels like
34°F
Dew Point
15°F
6 PM
33°F
10%
1mph
SE
Cloudy
Humidity
48%
Feels like
33°F
Dew Point
15°F
7 PM
31°F
10%
1mph
ESE
Cloudy
Humidity
51%
Feels like
31°F
Dew Point
15°F
8 PM
31°F
10%
1mph
ESE
Cloudy
Humidity
61%
Feels like
31°F
Dew Point
19°F
9 PM
30°F
10%
1mph
ESE
Mostly Cloudy
Humidity
63%
Feels like
30°F
Dew Point
19°F
10 PM
30°F
10%
1mph
ESE
Mostly Cloudy
Humidity
64%
Feels like
30°F
Dew Point
20°F
11 PM
30°F
10%
1mph
ESE
Mostly Cloudy
Humidity
64%
Feels like
30°F
Dew Point
20°F

Rainfall and Snowfall Totals Through Thursday

Pineapple Express Slams Northwestern U.S.

The atmospheric river this week will keep buffeting the Pacific Northwest with heavy rain, snow, and high winds.

Wednesday'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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