Portsmouth Weather History Rhode Island, United States of America

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Past date: Past date must be from 1st Jan, 2009 onwards.

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Daily and hourly data from 1 Jan 2009 onwards.
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Sat 20 Dec, 2025 Weather in Portsmouth

Sunrise: 07:08 AM Sunset: 04:17 PM	Moonrise: 08:00 AM Moonset: 04:32 PM	Max: 3.0 °c	Min: -1.1 °c	Avg: 1.1 °c	Precip: 0.00 mm	Max Wind: 35.6 kph

	Sat 20 0:00 am	Sat 20 3:00 am	Sat 20 6:00 am	Sat 20 9:00 am	Sat 20 12:00 pm	Sat 20 3:00 pm	Sat 20 6:00 pm	Sat 20 9:00 pm
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Temp	1.5°c	-0.1°c	-0.9°c	-0.1°c	2.2°c	2.4°c	1.5°c	1.7°c
Wind	34.6 kmph	34.6 kmph	30.2 kmph	27.7 kmph	20.5 kmph	15.1 kmph	14.4 kmph	20.2 kmph
Precip	0.00 mm	0.00 mm	0.00 mm	0.00 mm	0.00 mm	0.00 mm	0.00 mm	0.00 mm
Cloud	5%	0%	0%	0%	0%	22%	72%	83%
Humidity	62%	61%	62%	60%	57%	54%	57%	62%
Pressure	1005 mb	1009 mb	1013 mb	1017 mb	1020 mb	1021 mb	1022 mb	1022 mb

Portsmouth Annual Weather Averages

Month	High Temp	Low Temp	Avg Temp	Sunshine Hours	Rainfall	Rain days	Pressure
January	3°C / 37°F	-3°C / 27°F	0°C / 32°F	177 hours	111.63 mm / 4.39 In	7 days	1016 mb / 30 In
February	4°C / 39°F	-3°C / 27°F	1°C / 33°F	149 hours	114.20 mm / 4.50 In	8 days	1016 mb / 30 In
March	7°C / 44°F	1°C / 33°F	4°C / 39°F	161 hours	145.93 mm / 5.75 In	7 days	1017 mb / 30 In
April	12°C / 53°F	6°C / 42°F	9°C / 47°F	162 hours	127.77 mm / 5.03 In	7 days	1015 mb / 30 In
May	17°C / 62°F	11°C / 51°F	14°C / 56°F	177 hours	107.04 mm / 4.21 In	8 days	1016 mb / 30 In
June	21°C / 70°F	15°C / 59°F	18°C / 65°F	196 hours	117.81 mm / 4.64 In	8 days	1014 mb / 30 In
July	25°C / 78°F	20°C / 67°F	22°C / 72°F	217 hours	113.29 mm / 4.46 In	9 days	1014 mb / 30 In
August	25°C / 77°F	19°C / 66°F	22°C / 71°F	230 hours	120.39 mm / 4.74 In	8 days	1015 mb / 30 In
September	22°C / 71°F	16°C / 60°F	19°C / 66°F	208 hours	100.02 mm / 3.94 In	6 days	1018 mb / 31 In
October	17°C / 62°F	11°C / 51°F	14°C / 57°F	183 hours	132.20 mm / 5.20 In	7 days	1017 mb / 31 In
November	11°C / 52°F	5°C / 41°F	8°C / 46°F	202 hours	116.16 mm / 4.57 In	6 days	1018 mb / 31 In
December	6°C / 43°F	1°C / 34°F	4°C / 39°F	170 hours	150.45 mm / 5.92 In	7 days	1018 mb / 31 In

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