Grantham, NH 20 December Weather

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

Grantham, NH

°F

1:30 amPartly Cloudy11mphNW

Mon, December 15, 20251:59 AM (GMT -05:00)

Saturday Dec 20 2025	12 am	3 am	6 am	9 am	12 pm	3 pm	6 pm	9 pm

temperature °F	19°	16°	13°	15°	21°	24°	23°	23°
wind	13mph	11mph	8mph	7mph	5mph	5mph	4mph	5mph
pressure in	28.12	28.20	28.28	28.33	28.33	28.30	28.27	28.23

Friday Dec 20 2024	12 am	3 am	6 am	9 am	12 pm	3 pm	6 pm	9 pm

temperature °F	21°	22°	21°	22°	24°	24°	23°	23°
wind	2mph	1mph	2mph	3mph	4mph	5mph	3mph	3mph
pressure in	28.50	28.48	28.46	28.45	28.38	28.29	28.27	28.18

Wednesday Dec 20 2023	12 am	3 am	6 am	9 am	12 pm	3 pm	6 pm	9 pm

temperature °F	27°	24°	23°	27°	33°	35°	31°	29°
wind	9mph	10mph	8mph	7mph	9mph	9mph	9mph	11mph
pressure in	28.44	28.45	28.49	28.53	28.51	28.49	28.51	28.53

* Grantham, NH weather for December 20 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 20, 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 20 for previous years is presented.