Live Weather & Forecast
Weather in Swarthmore
Pennsylvania, United States · Real-time conditions & 3-day outlook
18°C
Feels like 18°C
65°F / Feels 65°F
Partly cloudy
Swarthmore, Pennsylvania
🌞 Daytime
Updated: 2026-04-12 17:00
Humidity
34%
Wind
15.5 km/h S
Wind Gust
17.8 km/h
Pressure
1028 mb
Visibility
16 km
UV Index
1.5
(Low)
Precipitation
0 mm
Cloud Cover
75%
Dew Point
3.8°C
Wind Degree
180°
Air Quality Index
US EPA: Good
UK DEFRA: Low (1)
CO
200.9 μg/m³
NO₂
15.3 μg/m³
O₃
85 μg/m³
SO₂
3.7 μg/m³
PM 2.5
8.6 μg/m³
PM 10
9.5 μg/m³
Today's Hourly Forecast
24-hour breakdown for Swarthmore, Pennsylvania
12 AM
11°
Clear
1 AM
10°
Clear
2 AM
9°
Clear
3 AM
8°
Clear
4 AM
8°
Clear
5 AM
7°
Clear
6 AM
6°
Clear
7 AM
7°
Sunny
8 AM
8°
Sunny
9 AM
9°
Sunny
10 AM
12°
Sunny
11 AM
15°
Sunny
12 PM
17°
Sunny
1 PM
18°
Sunny
2 PM
20°
Sunny
3 PM
20°
Sunny
4 PM
21°
Sunny
5 PM
18°
Partly cloudy
6 PM
15°
Partly Cloudy
7 PM
13°
Sunny
8 PM
12°
Partly Cloudy
9 PM
11°
Clear
10 PM
10°
Clear
11 PM
9°
Clear
3-Day Forecast
Daily overview for Swarthmore, Pennsylvania
Today
Sunny
22°
/
6°
🌧️ 0% chance of rain
💧 Avg. humidity: 51%
💨 Max wind: 17.3 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 1.7
🌅 Sunrise: 06:28 AM
🌇 Sunset: 07:37 PM
🌙 Waning Crescent
🌑 Moon: 33% lit
Mon, Apr 13
Patchy rain nearby
22°
/
8°
🌧️ 63% chance of rain
💧 Avg. humidity: 81%
💨 Max wind: 27.4 km/h
🌧️ Total precip: 1.04 mm
☀️ UV Index: 1.6
🌅 Sunrise: 06:26 AM
🌇 Sunset: 07:38 PM
🌙 Waning Crescent
🌑 Moon: 23% lit
Tue, Apr 14
Partly Cloudy
28°
/
17°
🌧️ 0% chance of rain
💧 Avg. humidity: 62%
💨 Max wind: 20.2 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 2
🌅 Sunrise: 06:25 AM
🌇 Sunset: 07:39 PM
🌙 Waning Crescent
🌑 Moon: 15% lit
Best Time to Visit Swarthmore
Plan your trip to Swarthmore, United States around the most favorable weather conditions.
Peak Season
June – September
Warm, dry summers — ideal for outdoor activities.
Shoulder Season
April – May, October
Fewer crowds, moderate prices, mild weather.
Off Season
November – March
Cooler temperatures; some regions may experience rain or snow.
Frequently Asked Questions
What is the current weather in Swarthmore?
Current conditions in Swarthmore: Partly cloudy, temperature 18°C, humidity 34%.
What is the best time to visit Swarthmore?
The best time to visit Swarthmore is typically June – September. Warm, dry summers — ideal for outdoor activities.
What is the climate like in Swarthmore?
Swarthmore is located at approximately 39.9° latitude. It has a temperate climate with warm summers and cold winters.
Does it rain a lot in Swarthmore?
The wettest period in Swarthmore is typically during November – March. Cooler temperatures; some regions may experience rain or snow.
What should I pack for a trip to Swarthmore?
For visits to Swarthmore during June – September: light clothing and sun protection. For November – March: layers and a waterproof jacket are recommended.
What country is Swarthmore in?
Swarthmore is located in United States, in the state of Pennsylvania.
What are the public holidays in Swarthmore in 2026?
View the 2026 public holidays for Swarthmore on our Holidays page.
What are the GPS coordinates used for the weather forecast in Swarthmore?
The weather forecast for Swarthmore uses coordinates 39.9021, -75.3499.