Portsmouth 21 December Weather

Altitude - 12m | 50°48′14″N,1°5′13″W | map (OSM)

Portsmouth

°F

12:30 amMostly Cloudy11mphS

Fri, December 12, 20251:09 AM (GMT +00:00)

Climatic norm in Portsmouth Dec 21

39°
42°
46°

minimum
average
maximum

Sunday Dec 21 2025	12 am	3 am	6 am	9 am	12 pm	3 pm	6 pm	9 pm

temperature °F	48°	48°	48°	49°	51°	51°	49°	48°
wind	12mph	10mph	10mph	11mph	13mph	13mph	12mph	12mph
pressure in	29.98	29.97	29.96	29.96	29.97	29.98	29.98	29.99

Saturday Dec 21 2024	12 am	3 am	6 am	9 am	12 pm	3 pm	6 pm	9 pm

temperature °F	45°	44°	47°	49°	52°	54°	51°	48°
wind	8mph	8mph	12mph	15mph	21mph	20mph	17mph	16mph
pressure in	30.04	30.04	30.01	29.96	29.88	29.81	29.81	29.78

Thursday Dec 21 2023	12 am	3 am	6 am	9 am	12 pm	3 pm	6 pm	9 pm

temperature °F	52°	52°	52°	54°	54°	54°	52°	50°
wind	15mph	18mph	19mph	21mph	22mph	20mph	17mph	17mph
pressure in	29.92	29.88	29.84	29.82	29.81	29.82	29.87	29.93

Wednesday Dec 21 2022	12 am	3 am	6 am	9 am	12 pm	3 pm	6 pm	9 pm

temperature °F	45°	46°	49°	49°	51°	51°	47°	47°
wind	7mph	11mph	14mph	15mph	11mph	6mph	4mph	2mph
pressure in	29.79	29.76	29.73	29.73	29.70	29.66	29.64	29.60

Tuesday Dec 21 2021	12 am	3 am	6 am	9 am	12 pm	3 pm	6 pm	9 pm

temperature °F	43°	42°	40°	40°	43°	43°	39°	38°
wind	8mph	7mph	7mph	7mph	8mph	8mph	8mph	8mph
pressure in	30.27	30.24	30.23	30.23	30.22	30.20	30.19	30.19

Monday Dec 21 2020	12 am	3 am	6 am	9 am	12 pm	3 pm	6 pm	9 pm

temperature °F	49°	50°	51°	53°	55°	55°	55°	55°
wind	10mph	15mph	20mph	19mph	18mph	20mph	20mph	21mph
pressure in	29.94	29.85	29.73	29.64	29.62	29.64	29.66	29.68

Saturday Dec 21 2019	12 am	3 am	6 am	9 am	12 pm	3 pm	6 pm	9 pm

temperature °F	48°	48°	48°	48°	50°	50°	47°	49°
wind	13mph	14mph	15mph	13mph	14mph	16mph	16mph	13mph
pressure in	29.03	29.01	28.98	28.98	28.92	28.81	28.68	28.61

Friday Dec 21 2018	12 am	3 am	6 am	9 am	12 pm	3 pm	6 pm	9 pm

temperature °F	53°	53°	54°	54°	53°	52°	51°	52°
wind	16mph	19mph	21mph	20mph	19mph	16mph	14mph	18mph
pressure in	29.59	29.47	29.44	29.51	29.60	29.66	29.73	29.76

* Portsmouth weather for December 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 Portsmouth Weather for December 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 December 21 for previous years is presented.