Hourly Weather Forecast - Swarthmore, PA

2 AM
21°F
0%
2mph
SW
Mostly Clear
Humidity
73%
Feels like
21°F
Dew Point
14°F
3 AM
20°F
0%
1mph
WSW
Mostly Clear
Humidity
74%
Feels like
20°F
Dew Point
13°F
4 AM
19°F
0%
2mph
WSW
Mostly Clear
Humidity
76%
Feels like
19°F
Dew Point
13°F
5 AM
18°F
0%
1mph
W
Mostly Clear
Humidity
79%
Feels like
18°F
Dew Point
12°F
6 AM
17°F
0%
2mph
W
Clear
Humidity
80%
Feels like
17°F
Dew Point
12°F
7 AM
18°F
0%
2mph
WNW
Clear
Humidity
81%
Feels like
18°F
Dew Point
13°F
7:16 AM
8 AM
20°F
0%
1mph
WNW
Sunny
Humidity
79%
Feels like
20°F
Dew Point
15°F
9 AM
24°F
0%
1mph
NW
Sunny
Humidity
77%
Feels like
24°F
Dew Point
17°F
10 AM
27°F
0%
1mph
NW
Sunny
Humidity
71%
Feels like
27°F
Dew Point
19°F
11 AM
29°F
0%
1mph
WNW
Sunny
Humidity
61%
Feels like
29°F
Dew Point
17°F
12 PM
30°F
0%
2mph
W
Sunny
Humidity
59%
Feels like
30°F
Dew Point
18°F
1 PM
31°F
0%
2mph
W
Sunny
Humidity
56%
Feels like
31°F
Dew Point
17°F
2 PM
31°F
0%
3mph
WSW
Sunny
Humidity
58%
Feels like
31°F
Dew Point
18°F
3 PM
29°F
0%
3mph
SW
Mostly Sunny
Humidity
65%
Feels like
26°F
Dew Point
19°F
4 PM
28°F
0%
3mph
SW
Mostly Sunny
Humidity
68%
Feels like
28°F
Dew Point
19°F
4:37 PM
5 PM
26°F
0%
3mph
SW
Partly Cloudy
Humidity
70%
Feels like
26°F
Dew Point
18°F
6 PM
25°F
0%
2mph
SW
Mostly Clear
Humidity
72%
Feels like
25°F
Dew Point
17°F
7 PM
24°F
0%
2mph
SW
Mostly Clear
Humidity
74%
Feels like
24°F
Dew Point
17°F
8 PM
23°F
0%
2mph
SSW
Mostly Clear
Humidity
75%
Feels like
23°F
Dew Point
17°F
9 PM
23°F
0%
3mph
SSW
Clear
Humidity
77%
Feels like
23°F
Dew Point
17°F
10 PM
23°F
0%
3mph
SSW
Clear
Humidity
79%
Feels like
23°F
Dew Point
17°F
11 PM
23°F
0%
3mph
SSW
Clear
Humidity
79%
Feels like
19°F
Dew Point
17°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.

Monday'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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