Portsmouth Rhode Island Weather Almanac
Tuesday, June 10, 2025
Cloudy, Midday Rain and Fog, Light Winds, Continued Cool
		Climate Normal Period								Climate Record Period
		1991 - 2020								1893 - 2025
		Jun 10								Record					Record
Observed Daily Data		2025		2024		Norm		Depart		Highest					Lowest
Maximum Temperature		65		73		72		-7		91		in	1959		53		in	1916
Minimum Temperature		60		57		56		+4		69		in	1984		43		in	1957
Average Temperature		63		65		64		-1		79		in	1984		50		in	1907
Month Avg Max Temperature		72.8		74.7		70.8		+2.0		80.9		in	1925		59.4		in	1907
Month Avg Min Temperature		57.2		57.5		54.5		+2.7		59.9		in	1925		47.2		in	1907
Month Average Temperature		65.2		66.5		62.8		+2.4		70.6		in	1925		53.4		in	1907
High Heat Index		66		73						103		in	1984
Low Wind Chill															42		in	1957
Heating Degree Days		2		0		2		+0		15		in	1907		0		in	Many
Month Heating DD		18		3		31		-13		116		in	1907		0		in	1899
Season Heating DD		5020		4950		5490		-470		6593		in	1905		4402		in	1932
Cooling Degree Days		0		0		2		-2		14		in	1984		0		in	All
Month Cooling DD		20		18		11		+9		64		in	1925		0		in	Many
Year Cooling DD		20		18		11		+9		64		in	1925		0		in	Many
Maximum Dew Point		64		61		61		+3		75		in	1984		42		in	1988
Minimum Dew Point		60		52		51		+9		66		in	1984		34		in	1987
Average  Dew Point		62		57		56		+6		71		in	1984		39		in	1988
Month Avg Max Dew Point		63.5		63.4		59.9		+3.6		66.8		in	2021		48.4		in	1988
Month Avg Min Dew Point		53.8		53.2		49.8		+4.0		56.1		in	2008		39.2		in	1988
Month Average Dew Point		58.7		58.3		54.8		+3.9		61.4		in	2021		43.8		in	1988
Precipitation		.28		.00		.12		+.16		3.05		in	1977
One Hour Rain		.13		.00						.47		in	1977
Half Hour Rain		.07		.00						.19		in	2019
Hourly Rain Rate		.30		.00						3.11		in	2014
Month Precipitation		.61		.70		1.17		-.56		6.84		in	1982		.00		in	1908
Year Precipitation		21.00		29.86		20.21		+.79		36.73		in	1983		12.64		in	1957
Snow		0.0		0.0		#N/A		#N/A		0.0		in	1900		0.0		in	Many
Snow Depth		0		0		0				0		in	2020		0		in	Many
Month Snow		0.0		0.0		T				#N/A		in	#N/A		0.0		in	Many
Season Snow		11.9		12.7		33.8		21.9		84.1		in	1996		5.0		in	1998
		Jun 10								Record					Record
Observed Daily Data		2025		2024		Norm		Depart		Highest					Lowest
Maximum Humidity		99%		88%		90%		+9%		100%		in	2015		66%		in	1973
Minimum Humidity		96%		61%		53%		+43%		96%		in	2025		24%		in	1971
Average Humidity		98%		75%		72%		+26%		98%		in	2025		46%		in	1971
Maximum Barometer		29.94		29.78		30.01		-00.07		30.47		in	1949		29.56		in	2006
Minimum Barometer		29.79		29.57		29.80		-00.01		30.21		in	1999		29.33		in	1981
Average Barometer		29.87		29.68		29.90		-00.04		30.29		in	1999		29.46		in	1981
Average Wind		4.1		6.7		6.3		-2.2		17.8		in	1977		1.3		in	1996
Direction		NNE		SSW		SSW				NNE					SSE
High Wind Gust		11		25		22		-11		45		in	1977		11		in	2025
Direction		NNW		SSW		SSW				NNE					NNW
Maximum Water Temp		64.6		64.6		63.1		+1.5		66.0		in	2007		58.1		in	2020
Minimum Water Temp		61.2		61.2		59.0		+2.2		63.5		in	2007		54.7		in	2020
Average Water Temp		62.9		62.9		61.0		+1.9		64.8		in	2007		56.4		in	2020
Sunrise/ AM Twilight		5:10:46 AM						4:37:09 AM
Sunset / PM Twilight		8:18:28 PM						8:52:43 PM
Length Of Day		15:07:42
Special Conditions		Fog
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