St. Marys, PA 21 January Weather

Altitude - 519m | 41°25′41″N,78°33′40″W | map (OSM)

St. Marys, PA

°F

4 amPartly Cloudy9mphSE

Fri, January 9, 20264:45 AM (GMT -05:00)

Climatic norm in St. Marys, PA Jan 21

14°
21°
29°

minimum
average
maximum

Wednesday Jan 21 2026	12 am	3 am	6 am	9 am	12 pm	3 pm	6 pm	9 pm

temperature °F	13°	12°	12°	14°	18°	21°	20°	18°
wind	7mph	7mph	6mph	8mph	9mph	9mph	8mph	7mph
pressure in	28.40	28.40	28.40	28.39	28.36	28.33	28.33	28.30

Tuesday Jan 21 2025	12 am	3 am	6 am	9 am	12 pm	3 pm	6 pm	9 pm

temperature °F	0°	0°	-1°	1°	9°	11°	10°	6°
wind	7mph	7mph	7mph	7mph	9mph	8mph	6mph	6mph
pressure in	28.52	28.52	28.53	28.56	28.53	28.47	28.48	28.49

Sunday Jan 21 2024	12 am	3 am	6 am	9 am	12 pm	3 pm	6 pm	9 pm

temperature °F	17°	18°	18°	19°	24°	25°	22°	18°
wind	11mph	11mph	10mph	12mph	11mph	11mph	6mph	5mph
pressure in	28.39	28.43	28.49	28.56	28.59	28.59	28.62	28.63

* St. Marys, PA weather for January 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 St. Marys, PA Weather for January 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 January 21 for previous years is presented.