Mertztown, PA 21 May Weather

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

Mertztown, PA

°F

2 pmSunny4mphS

Mon, May 12, 20252:45 PM (GMT -04:00)

Wednesday May 21 2025	12 am	3 am	6 am	9 am	12 pm	3 pm	6 pm	9 pm

temperature °F	56°	54°	53°	59°	66°	70°	69°	64°
wind	4mph	4mph	4mph	6mph	7mph	8mph	8mph	5mph
pressure in	29.48	29.49	29.49	29.49	29.46	29.44	29.43	29.40

Tuesday May 21 2024	12 am	3 am	6 am	9 am	12 pm	3 pm	6 pm	9 pm

temperature °F	65°	62°	60°	66°	77°	84°	82°	73°
wind	3mph	1mph	1mph	3mph	4mph	7mph	7mph	5mph
pressure in	29.48	29.48	29.49	29.50	29.48	29.45	29.43	29.45

* Mertztown, PA weather for May 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 May 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 May 21 for previous years is presented.