Grantham, NH 15 December Weather

Altitude - 490m | 43°31′1″N,72°9′0″W | map (OSM)

Grantham, NH

°F

6:30 pmFair6mphW

Fri, December 12, 20257:02 PM (GMT -05:00)

Monday Dec 15 2025	12 am	3 am	6 am	9 am	12 pm	3 pm	6 pm	9 pm

temperature °F	10°	10°	10°	12°	17°	18°	15°	15°
wind	10mph	9mph	8mph	10mph	10mph	8mph	5mph	3mph
pressure in	28.15	28.17	28.21	28.24	28.23	28.20	28.18	28.15

Sunday Dec 15 2024	12 am	3 am	6 am	9 am	12 pm	3 pm	6 pm	9 pm

temperature °F	10°	7°	5°	12°	23°	27°	21°	20°
wind	2mph	1mph	1mph	1mph	2mph	2mph	2mph	2mph
pressure in	29.01	28.98	28.96	28.96	28.94	28.89	28.86	28.82

Friday Dec 15 2023	12 am	3 am	6 am	9 am	12 pm	3 pm	6 pm	9 pm

temperature °F	26°	26°	25°	30°	42°	45°	41°	38°
wind	4mph	4mph	5mph	6mph	10mph	10mph	7mph	6mph
pressure in	28.48	28.43	28.39	28.39	28.39	28.40	28.43	28.46

* Grantham, NH weather for December 15 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 Grantham, NH Weather for December 15, 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 15 for previous years is presented.