Hourly Weather Forecast - Arnold, PA

10 AM
17°F
0%
4mph
SSW
Partly Cloudy
Humidity
96%
Feels like
11°F
Dew Point
17°F
11 AM
20°F
0%
5mph
SSW
Partly Cloudy
Humidity
88%
Feels like
14°F
Dew Point
17°F
12 PM
23°F
0%
6mph
SSW
Mostly Cloudy
Humidity
79%
Feels like
16°F
Dew Point
17°F
1 PM
25°F
10%
6mph
SSW
Mostly Cloudy
Humidity
74%
Feels like
18°F
Dew Point
18°F
2 PM
27°F
10%
6mph
SSW
Cloudy
Humidity
69%
Feels like
20°F
Dew Point
18°F
3 PM
29°F
10%
6mph
SSW
Cloudy
Humidity
67%
Feels like
22°F
Dew Point
19°F
4 PM
30°F
0%
6mph
SSW
Mostly Cloudy
Humidity
66%
Feels like
23°F
Dew Point
20°F
4:51 PM
5 PM
31°F
0%
6mph
SSW
Mostly Cloudy
Humidity
65%
Feels like
24°F
Dew Point
20°F
6 PM
31°F
0%
6mph
SSW
Mostly Cloudy
Humidity
65%
Feels like
26°F
Dew Point
21°F
7 PM
32°F
0%
6mph
SSW
Cloudy
Humidity
65%
Feels like
27°F
Dew Point
22°F
8 PM
33°F
0%
5mph
SSW
Mostly Cloudy
Humidity
65%
Feels like
28°F
Dew Point
23°F
9 PM
34°F
0%
5mph
SSW
Mostly Cloudy
Humidity
64%
Feels like
29°F
Dew Point
23°F
10 PM
35°F
0%
5mph
SSW
Mostly Cloudy
Humidity
63%
Feels like
31°F
Dew Point
24°F
11 PM
35°F
10%
5mph
SSW
Mostly Cloudy
Humidity
66%
Feels like
30°F
Dew Point
25°F

Rainfall Forecast for Northwest through Thursday

Heavy Rain, Flooding Soaks The Northwest

A fast-moving series of atmospheric rivers continue to drench the Pacific Northwest today through Thursday.

Snow and ice forecast through Thursday A.M.

Snow Barrels Across the Northern U.S.

Today's Weather Outlook

Today's Weather Outlook

Weekly Drought Map for December 4, 2025

Active Week of Weather Leads to Mixed Drought Results

A strong cold-air-damming event from March 20, 2018.

Cold Air Damming - Cause And Effects

People skating on a frozen pond on a clear day. (Image by Q K from Pixabay)

Safety Tips For Icy Surfaces

Today's National Outlook

Hurricane Tracker

Allergy Forecast

Snow & Ski Forecast

Traffic Cameras

Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide