Mercersburg, PA 12 December Weather

Altitude - 182m | 39°49′48″N,77°54′0″W | map (OSM)

Mercersburg, PA

°F

6 amSnow5mphSE

Tue, December 2, 20256:29 AM (GMT -05:00)

Climatic norm in Mercersburg, PA Dec 12

27°
34°
41°

minimum
average
maximum

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

temperature °F	31°	30°	28°	30°	34°	35°	32°	29°
wind	10mph	10mph	10mph	11mph	11mph	11mph	9mph	9mph
pressure in	29.21	29.22	29.25	29.25	29.26	29.29	29.32	29.35

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

temperature °F	34°	33°	32°	32°	35°	35°	30°	27°
wind	12mph	10mph	15mph	15mph	17mph	15mph	8mph	4mph
pressure in	29.29	29.34	29.44	29.54	29.58	29.64	29.73	29.79

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

temperature °F	32°	30°	28°	33°	42°	46°	41°	37°
wind	5mph	4mph	4mph	6mph	9mph	9mph	6mph	4mph
pressure in	29.65	29.67	29.72	29.77	29.75	29.71	29.74	29.77

Monday Dec 12 2022	12 am	3 am	6 am	9 am	12 pm	3 pm	6 pm	9 pm

temperature °F	40°	38°	36°	37°	39°	41°	38°	34°
wind	8mph	8mph	7mph	8mph	10mph	9mph	6mph	5mph
pressure in	29.48	29.49	29.52	29.56	29.56	29.56	29.61	29.64

Sunday Dec 12 2021	12 am	3 am	6 am	9 am	12 pm	3 pm	6 pm	9 pm

temperature °F	41°	41°	37°	39°	44°	47°	42°	38°
wind	18mph	16mph	10mph	8mph	13mph	9mph	6mph	6mph
pressure in	29.34	29.40	29.49	29.58	29.60	29.59	29.63	29.67

Saturday Dec 12 2020	12 am	3 am	6 am	9 am	12 pm	3 pm	6 pm	9 pm

temperature °F	38°	38°	37°	41°	46°	56°	52°	50°
wind	1mph	2mph	2mph	2mph	3mph	5mph	4mph	4mph
pressure in	29.43	29.42	29.41	29.40	29.33	29.28	29.27	29.27

Thursday Dec 12 2019	12 am	3 am	6 am	9 am	12 pm	3 pm	6 pm	9 pm

temperature °F	30°	27°	24°	27°	35°	37°	33°	30°
wind	7mph	4mph	1mph	1mph	3mph	7mph	6mph	5mph
pressure in	29.92	29.94	29.99	30.01	29.99	29.93	29.91	29.87

Wednesday Dec 12 2018	12 am	3 am	6 am	9 am	12 pm	3 pm	6 pm	9 pm

temperature °F	33°	31°	30°	33°	40°	40°	36°	34°
wind	7mph	6mph	4mph	4mph	3mph	3mph	3mph	3mph
pressure in	29.40	29.42	29.47	29.51	29.51	29.47	29.49	29.49

* Mercersburg, PA weather for December 12 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 Mercersburg, PA Weather for December 12, 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 12 for previous years is presented.