Hourly Weather Forecast - Swarthmore, PA

12 AM
35°F
0%
9mph
SSW
Cloudy
Humidity
66%
Feels like
28°F
Dew Point
25°F
1 AM
36°F
0%
9mph
SSW
Cloudy
Humidity
67%
Feels like
29°F
Dew Point
26°F
2 AM
36°F
10%
8mph
SW
Partly Cloudy
Humidity
67%
Feels like
30°F
Dew Point
26°F
3 AM
37°F
10%
8mph
SW
Partly Cloudy
Humidity
68%
Feels like
31°F
Dew Point
27°F
4 AM
37°F
10%
7mph
SW
Mostly Clear
Humidity
69%
Feels like
31°F
Dew Point
28°F
5 AM
37°F
10%
7mph
SW
Mostly Clear
Humidity
70%
Feels like
31°F
Dew Point
28°F
6 AM
37°F
20%
7mph
SW
Partly Cloudy
Humidity
70%
Feels like
32°F
Dew Point
28°F
7 AM
38°F
20%
7mph
WSW
Partly Cloudy
Humidity
70%
Feels like
33°F
Dew Point
29°F
7:19 AM
8 AM
40°F
20%
7mph
WSW
Partly Cloudy
Humidity
71%
Feels like
35°F
Dew Point
31°F
9 AM
42°F
20%
7mph
WSW
Mostly Sunny
Humidity
70%
Feels like
38°F
Dew Point
33°F
10 AM
44°F
20%
7mph
WSW
Sunny
Humidity
67%
Feels like
40°F
Dew Point
34°F
11 AM
46°F
10%
8mph
WSW
Sunny
Humidity
60%
Feels like
42°F
Dew Point
33°F
12 PM
47°F
10%
9mph
W
Sunny
Humidity
55%
Feels like
42°F
Dew Point
32°F
1 PM
47°F
10%
10mph
W
Sunny
Humidity
52%
Feels like
42°F
Dew Point
30°F
2 PM
46°F
10%
10mph
W
Mostly Sunny
Humidity
52%
Feels like
41°F
Dew Point
29°F
3 PM
44°F
10%
9mph
W
Mostly Sunny
Humidity
53%
Feels like
39°F
Dew Point
28°F
4 PM
42°F
10%
8mph
W
Partly Cloudy
Humidity
56%
Feels like
36°F
Dew Point
27°F
4:39 PM
5 PM
39°F
10%
8mph
WNW
Partly Cloudy
Humidity
58%
Feels like
34°F
Dew Point
26°F
6 PM
37°F
10%
7mph
WNW
Partly Cloudy
Humidity
60%
Feels like
32°F
Dew Point
24°F
7 PM
36°F
10%
6mph
WNW
Mostly Cloudy
Humidity
61%
Feels like
30°F
Dew Point
24°F
8 PM
35°F
10%
5mph
WNW
Mostly Cloudy
Humidity
70%
Feels like
31°F
Dew Point
27°F
9 PM
35°F
10%
5mph
WNW
Mostly Cloudy
Humidity
68%
Feels like
31°F
Dew Point
26°F
10 PM
34°F
10%
4mph
WNW
Cloudy
Humidity
68%
Feels like
30°F
Dew Point
25°F
11 PM
34°F
10%
4mph
WNW
Cloudy
Humidity
69%
Feels like
30°F
Dew Point
25°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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