Swarthmore, PA 21 May Weather

Altitude - 62m | 39°54′7″N,75°21′0″W | map (OSM)

Swarthmore, PA

°F

1:30 amPartly Cloudy6mphW

Sat, May 10, 20252:19 AM (GMT -04:00)

Climatic norm in Swarthmore, PA May 21

56°
65°
75°

minimum
average
maximum

Wednesday May 21 2025	12 am	3 am	6 am	9 am	12 pm	3 pm	6 pm	9 pm

temperature °F	59°	58°	57°	61°	67°	69°	69°	64°
wind	5mph	4mph	4mph	7mph	8mph	9mph	9mph	6mph
pressure in	29.64	29.63	29.64	29.64	29.62	29.61	29.61	29.61

Tuesday May 21 2024	12 am	3 am	6 am	9 am	12 pm	3 pm	6 pm	9 pm

temperature °F	62°	59°	59°	65°	75°	81°	79°	70°
wind	3mph	2mph	1mph	3mph	4mph	6mph	7mph	5mph
pressure in	29.79	29.79	29.80	29.81	29.80	29.76	29.74	29.76

* Swarthmore, PA weather for May 21 is prepared on the basis of GFS data and is intended for personal use in the "as is" (as is) format. You can see on this page Swarthmore, PA Weather for May 21, as well as compare air temperature with the climate norm for this date. Perhaps you will be interested - for comparison, the actual weather on May 21 for previous years is presented.