Keystone, PA 9 December Weather

Altitude - 668m | 39°48′22″N,78°59′10″W | map (OSM)

Keystone, PA

°F

2:30 pmCloudy8mphW

Tue, December 2, 20253:15 PM (GMT -05:00)

Tuesday Dec 9 2025	12 am	3 am	6 am	9 am	12 pm	3 pm	6 pm	9 pm

temperature °F	19°	18°	18°	20°	25°	28°	26°	26°
wind	5mph	5mph	5mph	5mph	6mph	7mph	7mph	8mph
pressure in	27.74	27.73	27.71	27.68	27.63	27.58	27.57	27.56

Monday Dec 9 2024	12 am	3 am	6 am	9 am	12 pm	3 pm	6 pm	9 pm

temperature °F	40°	39°	43°	42°	46°	49°	49°	47°
wind	6mph	4mph	5mph	6mph	8mph	9mph	7mph	6mph
pressure in	27.62	27.59	27.57	27.54	27.51	27.53	27.59	27.62

Saturday Dec 9 2023	12 am	3 am	6 am	9 am	12 pm	3 pm	6 pm	9 pm

temperature °F	38°	38°	37°	41°	49°	53°	48°	45°
wind	4mph	5mph	5mph	4mph	5mph	5mph	4mph	5mph
pressure in	27.72	27.72	27.72	27.76	27.76	27.73	27.71	27.66

* Keystone, PA weather for December 9 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 Keystone, PA Weather for December 9, 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 9 for previous years is presented.