Grantham, NH 18 December Weather

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

Grantham, NH

°F

9:30 pmFair11mphNW

Sun, December 14, 202510:18 PM (GMT -05:00)

Thursday Dec 18 2025	12 am	3 am	6 am	9 am	12 pm	3 pm	6 pm	9 pm

temperature °F	31°	26°	23°	28°	38°	40°	36°	38°
wind	7mph	4mph	2mph	2mph	5mph	7mph	7mph	8mph
pressure in	28.31	28.34	28.36	28.39	28.36	28.30	28.22	28.11

Wednesday Dec 18 2024	12 am	3 am	6 am	9 am	12 pm	3 pm	6 pm	9 pm

temperature °F	38°	34°	34°	37°	39°	41°	37°	36°
wind	7mph	6mph	3mph	2mph	3mph	3mph	1mph	1mph
pressure in	28.40	28.39	28.42	28.44	28.39	28.33	28.29	28.24

Monday Dec 18 2023	12 am	3 am	6 am	9 am	12 pm	3 pm	6 pm	9 pm

temperature °F	42°	44°	49°	53°	56°	56°	47°	43°
wind	3mph	4mph	11mph	13mph	13mph	8mph	12mph	9mph
pressure in	28.11	27.98	27.76	27.53	27.38	27.31	27.43	27.67

* Grantham, NH weather for December 18 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 18, 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 18 for previous years is presented.