Hourly Weather Forecast - Swarthmore, PA

12 AM
26°F
0%
10mph
WNW
Clear
Humidity
55%
Feels like
16°F
Dew Point
12°F
1 AM
25°F
0%
10mph
WNW
Clear
Humidity
57%
Feels like
16°F
Dew Point
12°F
2 AM
25°F
0%
9mph
WNW
Clear
Humidity
58%
Feels like
16°F
Dew Point
12°F
3 AM
25°F
0%
8mph
WNW
Clear
Humidity
59%
Feels like
16°F
Dew Point
13°F
4 AM
25°F
0%
7mph
WNW
Clear
Humidity
59%
Feels like
16°F
Dew Point
13°F
5 AM
24°F
0%
6mph
WNW
Clear
Humidity
61%
Feels like
17°F
Dew Point
13°F
6 AM
24°F
0%
6mph
WNW
Clear
Humidity
62%
Feels like
17°F
Dew Point
13°F
7 AM
25°F
0%
5mph
WNW
Clear
Humidity
64%
Feels like
18°F
Dew Point
14°F
7:18 AM
8 AM
26°F
0%
4mph
WNW
Mostly Sunny
Humidity
64%
Feels like
20°F
Dew Point
15°F
9 AM
28°F
0%
4mph
WNW
Partly Cloudy
Humidity
61%
Feels like
24°F
Dew Point
16°F
10 AM
30°F
10%
4mph
W
Mostly Cloudy
Humidity
57%
Feels like
26°F
Dew Point
16°F
11 AM
32°F
10%
4mph
W
Mostly Cloudy
Humidity
51%
Feels like
28°F
Dew Point
16°F
12 PM
33°F
10%
4mph
WSW
Mostly Cloudy
Humidity
46%
Feels like
29°F
Dew Point
15°F
1 PM
35°F
10%
5mph
SW
Partly Cloudy
Humidity
41%
Feels like
30°F
Dew Point
14°F
2 PM
35°F
10%
5mph
SW
Partly Cloudy
Humidity
41%
Feels like
31°F
Dew Point
14°F
3 PM
34°F
10%
5mph
SSW
Partly Cloudy
Humidity
45%
Feels like
30°F
Dew Point
15°F
4 PM
33°F
10%
5mph
SSW
Partly Cloudy
Humidity
51%
Feels like
28°F
Dew Point
17°F
4:39 PM
5 PM
32°F
10%
5mph
S
Partly Cloudy
Humidity
57%
Feels like
26°F
Dew Point
18°F
6 PM
31°F
10%
5mph
S
Partly Cloudy
Humidity
62%
Feels like
25°F
Dew Point
19°F
7 PM
30°F
10%
5mph
S
Partly Cloudy
Humidity
66%
Feels like
24°F
Dew Point
20°F
8 PM
30°F
10%
6mph
S
Partly Cloudy
Humidity
67%
Feels like
23°F
Dew Point
20°F
9 PM
30°F
10%
7mph
SSW
Partly Cloudy
Humidity
71%
Feels like
23°F
Dew Point
22°F
10 PM
30°F
10%
7mph
SSW
Partly Cloudy
Humidity
74%
Feels like
23°F
Dew Point
23°F
11 PM
31°F
10%
8mph
SSW
Partly Cloudy
Humidity
75%
Feels like
23°F
Dew Point
24°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.

Tuesday's Weather Outlook

Tuesday'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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