Herndon, PA 21 January Weather

Altitude - 147m | 40°42′36″N,76°50′31″W | map (OSM)

Herndon, PA

°F

11:30 pmMist2mphW

Sun, January 11, 202612:18 AM (GMT -05:00)

Climatic norm in Herndon, PA Jan 21

20°
28°
36°

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	18°	16°	15°	18°	25°	28°	26°	24°
wind	4mph	3mph	3mph	4mph	7mph	7mph	4mph	4mph
pressure in	29.79	29.82	29.85	29.84	29.81	29.79	29.78	29.75

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

temperature °F	7°	4°	2°	6°	13°	15°	13°	9°
wind	3mph	3mph	3mph	4mph	6mph	6mph	2mph	1mph
pressure in	29.98	29.98	30.02	30.03	29.98	29.91	29.91	29.92

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

temperature °F	20°	20°	22°	23°	28°	31°	27°	22°
wind	9mph	8mph	8mph	10mph	12mph	11mph	5mph	3mph
pressure in	29.71	29.76	29.83	29.90	29.91	29.91	29.97	30.02

* Herndon, 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 Herndon, 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.