Hourly Weather Forecast - Swarthmore, PA

12 AM
21°F
0%
3mph
SSW
Clear
Humidity
84%
Feels like
17°F
Dew Point
17°F
1 AM
22°F
0%
4mph
SSW
Clear
Humidity
85%
Feels like
17°F
Dew Point
18°F
2 AM
22°F
0%
4mph
SSW
Clear
Humidity
88%
Feels like
17°F
Dew Point
19°F
3 AM
22°F
0%
3mph
SSW
Clear
Humidity
89%
Feels like
17°F
Dew Point
19°F
4 AM
22°F
0%
4mph
SSW
Clear
Humidity
90%
Feels like
17°F
Dew Point
19°F
5 AM
23°F
0%
4mph
SSW
Mostly Clear
Humidity
90%
Feels like
18°F
Dew Point
20°F
6 AM
24°F
0%
4mph
SW
Partly Cloudy
Humidity
90%
Feels like
18°F
Dew Point
21°F
7 AM
25°F
0%
4mph
SW
Partly Cloudy
Humidity
89%
Feels like
20°F
Dew Point
22°F
7:16 AM
8 AM
28°F
0%
5mph
SW
Partly Cloudy
Humidity
90%
Feels like
23°F
Dew Point
26°F
9 AM
32°F
0%
5mph
SW
Partly Cloudy
Humidity
88%
Feels like
27°F
Dew Point
29°F
10 AM
35°F
0%
6mph
SW
Partly Cloudy
Humidity
83%
Feels like
30°F
Dew Point
31°F
11 AM
38°F
0%
6mph
SW
Partly Cloudy
Humidity
78%
Feels like
33°F
Dew Point
32°F
12 PM
40°F
0%
7mph
SW
Partly Cloudy
Humidity
76%
Feels like
35°F
Dew Point
33°F
1 PM
41°F
0%
7mph
SW
Partly Cloudy
Humidity
73%
Feels like
37°F
Dew Point
33°F
2 PM
42°F
0%
7mph
SW
Mostly Cloudy
Humidity
73%
Feels like
37°F
Dew Point
34°F
3 PM
42°F
0%
7mph
WSW
Cloudy
Humidity
74%
Feels like
37°F
Dew Point
34°F
4 PM
41°F
0%
6mph
WSW
Cloudy
Humidity
75%
Feels like
36°F
Dew Point
33°F
4:37 PM
5 PM
39°F
0%
6mph
WSW
Mostly Cloudy
Humidity
77%
Feels like
35°F
Dew Point
33°F
6 PM
37°F
0%
6mph
W
Partly Cloudy
Humidity
80%
Feels like
33°F
Dew Point
32°F
7 PM
36°F
0%
5mph
W
Partly Cloudy
Humidity
83%
Feels like
32°F
Dew Point
31°F
8 PM
35°F
0%
4mph
W
Mostly Clear
Humidity
85%
Feels like
31°F
Dew Point
30°F
9 PM
33°F
0%
4mph
W
Mostly Clear
Humidity
88%
Feels like
30°F
Dew Point
30°F
10 PM
32°F
0%
3mph
W
Hazy
Humidity
92%
Feels like
32°F
Dew Point
29°F
11 PM
30°F
0%
2mph
WNW
Hazy
Humidity
93%
Feels like
30°F
Dew Point
28°F

Rainfall and Snowfall Totals Through Wednesday

Heavy Rain, Snow, and Winds Wallop Northwest

The atmospheric river this week continues to hit the Pacific Northwest with heavy rain, snow, and high winds.

Tuesday'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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