Mertztown, PA 21 January Weather

Altitude - 149m | 40°30′22″N,75°39′54″W | map (OSM)

Mertztown, PA

°F

9 pmCloudy2mphW

Fri, January 9, 20269:29 PM (GMT -05:00)

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

temperature °F	20°	19°	18°	21°	28°	30°	27°	25°
wind	4mph	4mph	4mph	5mph	8mph	8mph	6mph	5mph
pressure in	29.72	29.73	29.73	29.75	29.73	29.71	29.71	29.69

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

temperature °F	7°	5°	3°	7°	14°	16°	14°	9°
wind	5mph	3mph	4mph	5mph	6mph	7mph	3mph	2mph
pressure in	29.96	29.96	29.99	30.01	29.96	29.90	29.91	29.91

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

temperature °F	19°	18°	18°	21°	25°	29°	24°	20°
wind	13mph	10mph	10mph	11mph	13mph	11mph	6mph	4mph
pressure in	29.64	29.68	29.74	29.83	29.85	29.86	29.92	29.97

* Mertztown, 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 Mertztown, 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.