Portsmouth Rhode Island Weather Almanac
Thursday, April 24, 2025
Clear to Partly Cloudy PM, Continued Warm
		Climate Normal Period								Climate Record Period
		1991 - 2020								1893 - 2025
		April 24, 2025								Record					Record
Observed Daily Data		2025		2024		Norm		Depart		Highest					Lowest
Maximum Temperature		66		66		58		+8		74		in	2008		44		in	2020
Minimum Temperature		47		40		42		+5		51		in	2008		28		in	1930
Average Temperature		57		53		50		+7		63		in	2008		36		in	1930
Month Avg Max Temperature		55.4		55.0		54.2		+1.3		62.3		in	1976		46.9		in	1907
Month Avg Min Temperature		39.8		40.3		38.5		+1.2		43.1		in	2012		32.2		in	1943
Month Average Temperature		47.8		47.9		46.7		+1.2		52.3		in	2010		40.4		in	1907
High Heat Index												in
Low Wind Chill		44		36		36		+8							19		in	1930
Heating Degree Days		8		12		15		-7		29		in	1930		2		in	2008
Month Heating DD		412		410		440		-28		591		in	1907		306		in	2010
Season Heating DD		4775		4642		5090		-315		6167		in	1904		4191		in	2012
Cooling Degree Days		0		0		0		+0		0		in			0		in	All
Month Cooling DD						0				13		in	1976
Year Cooling DD						0				13		in	1976
Maximum Dew Point		48		50		46		+2		62		in	1987		21		in	1989
Minimum Dew Point		39		32		33		+6		47		in	1905		14		in	1962
Average  Dew Point		44		41		39		+5		54		in	1905		20		in	1989
Month Avg Max Dew Point		46.3		44.1		41.9		+4.4		48.3		in	1987		33.0		in	1965
Month Avg Min Dew Point		31.6		33.9		28.6		+3.0		36.3		in	2010		18.1		in	1982
Month Average Dew Point		39.0		39.0		35.3		+3.7		41.4		in	2010		26.7		in	1982
Precipitation		.00		T		.14		-.14		2.66		in	1983
One Hour Rain		.00		T						.44		in	1983
Half Hour Rain		.00		.00						.08		in	2005
Hourly Rain Rate		.00		.00						.45		in	2005
Month Precipitation		2.52		3.98		3.43		-.91		11.85		in	1983		.46		in	1963
Year Precipitation		11.78		22.82		14.89		-3.11		31.12		in	1983		7.48		in	1985
Snow		0.0		0.0		0.0		+0.0		0.0		in	1997		0.0		in
Snow Depth		0		0		0.0		+0.0		0		in			0		in
Month Snow		T		0.0		0.5		-0.5		9.6		in	1996		0.0		in	2024
Season Snow		11.9		12.7		33.5		-21.6		84.1		in	1996		5.0		in	1998
		April 24, 2025								Record					Record
Observed Daily Data		2025		2024		Norm		Depart		Highest					Lowest
Maximum Humidity		85%		85%		86%		-1%		100%		in	1905		43%		in	1982
Minimum Humidity		39%		49%		50%		-11%		93%		in	1969		20%		in	1978
Average Humidity		62%		67%		68%		-6%		96%		in	1969		35%		in	1982
Maximum Barometer		30.32		30.12		30.00		+00.32		30.47		in	2018		29.42		in	1971
Minimum Barometer		30.21		29.80		29.74		+00.47		30.26		in	2018		29.03		in	1981
Average Barometer		30.27		29.96		29.87		+00.39		30.37		in	2018		29.27		in	1981
Average Wind		6.3		8.7		7.6		-1.3		15.3		in	2014		3.3		in	1981
Direction		S		S		SW				NW					NE
High Wind Gust		20		29		25		-5		42		in	1983		15		in	1967
Direction		SSE		NNW		SW				SSE					WNW
Maximum Water Temp		50.7		50.0		49.0		+1.7		54.5		in	2007		41.0		in	2020
Minimum Water Temp		47.1		47.1		46.0		+1.1		50.5		in	2012		39.7		in	2020
Average Water Temp		48.9		48.6		47.5		+1.4		51.5		in	2007		40.4		in	2020
Sunrise/ AM Twilight		6:41:05 AM						5:20:35 AM
Sunset / PM Twilight		7:35:46 PM						8:05:48 PM
Length Of Day		13:45:10
Special Conditions		None
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