Hourly Weather Forecast - Swarthmore, PA

12 AM
47°F
100%
11mph
SSE
Rain
Humidity
98%
Feels like
42°F
Dew Point
46°F
1 AM
49°F
100%
13mph
SSE
Rain
Humidity
98%
Feels like
44°F
Dew Point
48°F
2 AM
51°F
100%
14mph
SSE
Rain
Humidity
98%
Feels like
51°F
Dew Point
50°F
3 AM
53°F
100%
15mph
SSE
Rain
Humidity
100%
Feels like
53°F
Dew Point
53°F
4 AM
54°F
100%
15mph
SSE
Rain
Humidity
99%
Feels like
54°F
Dew Point
54°F
5 AM
55°F
90%
15mph
S
Light Rain
Humidity
98%
Feels like
55°F
Dew Point
54°F
6 AM
55°F
90%
14mph
S
Thunderstorms
Humidity
96%
Feels like
55°F
Dew Point
54°F
7 AM
55°F
90%
13mph
S
Light Rain
Humidity
95%
Feels like
55°F
Dew Point
54°F
7:18 AM
8 AM
55°F
70%
13mph
SSW
70% Chance of Light Rain
Humidity
89%
Feels like
55°F
Dew Point
52°F
9 AM
53°F
50%
12mph
WSW
50% Chance of Light Rain
Humidity
87%
Feels like
53°F
Dew Point
49°F
10 AM
49°F
50%
12mph
W
50% Chance of Light Rain
Humidity
86%
Feels like
44°F
Dew Point
45°F
11 AM
46°F
50%
13mph
W
50% Chance Rain Showers
Humidity
85%
Feels like
40°F
Dew Point
42°F
12 PM
45°F
40%
13mph
W
40% Chance Rain Showers
Humidity
79%
Feels like
39°F
Dew Point
39°F
1 PM
45°F
30%
14mph
W
30% Chance Rain Showers
Humidity
69%
Feels like
39°F
Dew Point
36°F
2 PM
44°F
20%
14mph
W
Partly Cloudy
Humidity
66%
Feels like
37°F
Dew Point
33°F
3 PM
41°F
10%
14mph
W
Partly Cloudy
Humidity
67%
Feels like
33°F
Dew Point
31°F
4 PM
38°F
0%
15mph
W
Partly Cloudy
Humidity
68%
Feels like
29°F
Dew Point
28°F
4:38 PM
5 PM
34°F
0%
15mph
W
Partly Cloudy
Humidity
70%
Feels like
25°F
Dew Point
25°F
6 PM
32°F
10%
15mph
W
Mostly Clear
Humidity
68%
Feels like
22°F
Dew Point
23°F
7 PM
31°F
10%
15mph
W
Mostly Clear
Humidity
61%
Feels like
21°F
Dew Point
19°F
8 PM
31°F
0%
14mph
W
Partly Cloudy
Humidity
58%
Feels like
21°F
Dew Point
18°F
9 PM
30°F
0%
14mph
W
Partly Cloudy
Humidity
58%
Feels like
20°F
Dew Point
17°F
10 PM
29°F
0%
13mph
W
Partly Cloudy
Humidity
59%
Feels like
19°F
Dew Point
17°F
11 PM
28°F
0%
13mph
W
Partly Cloudy
Humidity
58%
Feels like
18°F
Dew Point
15°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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