West Chester, PA 21 December Weather

Altitude - 137m | 39°57′36″N,75°36′36″W | map (OSM)

West Chester, PA

°F

9:30 amRain Shower13mphW

Fri, December 19, 202510:00 AM (GMT -05:00)

Climatic norm in West Chester, PA Dec 21

29°
36°
43°

minimum
average
maximum

Sunday Dec 21 2025	12 am	3 am	6 am	9 am	12 pm	3 pm	6 pm	9 pm

temperature °F	35°	35°	36°	40°	46°	45°	37°	29°
wind	8mph	7mph	6mph	9mph	13mph	15mph	11mph	9mph
pressure in	29.50	29.47	29.46	29.54	29.55	29.61	29.73	29.85

Saturday Dec 21 2024	12 am	3 am	6 am	9 am	12 pm	3 pm	6 pm	9 pm

temperature °F	32°	32°	30°	30°	31°	30°	27°	23°
wind	4mph	6mph	11mph	16mph	19mph	19mph	14mph	10mph
pressure in	29.42	29.41	29.51	29.60	29.62	29.65	29.72	29.78

Thursday Dec 21 2023	12 am	3 am	6 am	9 am	12 pm	3 pm	6 pm	9 pm

temperature °F	32°	31°	31°	34°	41°	43°	36°	32°
wind	4mph	4mph	4mph	6mph	7mph	5mph	2mph	2mph
pressure in	29.88	29.89	29.92	29.95	29.94	29.91	29.94	29.95

Wednesday Dec 21 2022	12 am	3 am	6 am	9 am	12 pm	3 pm	6 pm	9 pm

temperature °F	27°	25°	24°	29°	36°	39°	33°	29°
wind	1mph	1mph	1mph	2mph	2mph	1mph	1mph	1mph
pressure in	29.95	29.94	29.97	30.00	29.98	29.96	29.96	29.97

Tuesday Dec 21 2021	12 am	3 am	6 am	9 am	12 pm	3 pm	6 pm	9 pm

temperature °F	27°	27°	26°	31°	39°	43°	38°	36°
wind	2mph	1mph	2mph	2mph	2mph	2mph	2mph	1mph
pressure in	29.68	29.65	29.64	29.66	29.59	29.50	29.46	29.39

Monday Dec 21 2020	12 am	3 am	6 am	9 am	12 pm	3 pm	6 pm	9 pm

temperature °F	33°	31°	32°	34°	39°	39°	36°	37°
wind	0mph	0mph	0mph	1mph	6mph	3mph	2mph	3mph
pressure in	29.46	29.43	29.41	29.40	29.36	29.29	29.28	29.25

Saturday Dec 21 2019	12 am	3 am	6 am	9 am	12 pm	3 pm	6 pm	9 pm

temperature °F	23°	20°	19°	24°	32°	34°	30°	26°
wind	2mph	2mph	1mph	1mph	2mph	3mph	1mph	2mph
pressure in	30.11	30.11	30.11	30.10	30.06	29.99	29.98	29.96

Friday Dec 21 2018	12 am	3 am	6 am	9 am	12 pm	3 pm	6 pm	9 pm

temperature °F	56°	58°	59°	59°	59°	59°	56°	54°
wind	14mph	15mph	12mph	8mph	7mph	7mph	9mph	9mph
pressure in	29.10	28.99	28.95	28.94	28.88	28.79	28.76	28.73

* West Chester, PA weather for December 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 West Chester, PA Weather for December 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 December 21 for previous years is presented.