Portsmouth Rhode Island Weather Almanac
Thursday, April 17, 2025
Clear and Warmer
		Climate Normal Period								Climate Record Period
		1991 - 2020								1893 - 2025
		April 17, 2025								Record					Record
Observed Daily Data		2025		2024		Norm		Depart		Highest					Lowest
Maximum Temperature		60		56		56		+4		86		in	1976		41		in	2003
Minimum Temperature		39		43		40		-1		56		in	2002		24		in	1908
Average Temperature		50		50		48		+2		71		in	2002		34		in	1908
Month Avg Max Temperature		52.3		54.5		53.0		-0.7		61.8		in	1945		45.4		in	1907
Month Avg Min Temperature		37.4		40.4		37.6		-0.2		42.9		in	2010		30.8		in	1982
Month Average Temperature		45.1		47.8		45.6		-0.5		52.2		in	1945		39.1		in	1907
High Heat Index										88		in	1976
Low Wind Chill		33		38		33		-0							16		in	1908
Heating Degree Days		15		15		17		-2		31		in	1908		0		in	2012
Month Heating DD		339		293		330		+9		441		in	1907		217		in	1945
Season Heating DD		4702		4525		4980		-278		6038		in	1918		4111		in	2012
Cooling Degree Days		0		0		0		+0		6		in	2002		0		in	All
Month Cooling DD										6		in	2002
Year Cooling DD										6		in	2002
Maximum Dew Point		40		44		43		-3		63		in	1976		18		in	1980
Minimum Dew Point		26		34		30		-4		50		in	2002		3		in	1985
Average  Dew Point		33		39		37		-4		56		in	2002		14		in	1980
Month Avg Max Dew Point		44.2		44.0		40.8		+3.5		48.0		in	2023		30.1		in	1975
Month Avg Min Dew Point		30.6		34.6		27.4		+3.2		35.7		in	2010		15.5		in	1992
Month Average Dew Point		37.4		39.3		34.1		+3.4		41.3		in	2010		23.5		in	1992
Precipitation		.00		T		.14		-.14		2.33		in	1954
One Hour Rain		.00		T						.53		in	1954
Half Hour Rain		.00		.00						.15		in	1905
Hourly Rain Rate		.00		.00						.79		in	1905
Month Precipitation		2.44		3.34		2.45		-.01		6.74		in	1983		.04		in	1963
Year Precipitation		11.70		22.18		13.91		-2.21		26.01		in	1983		6.69		in	2012
Snow		0.0		0.0		0.0		+0.0		T		in	1997		0.0		in
Snow Depth		0		0		0.0		-0.0		1		in	1992		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 17, 2025								Record					Record
Observed Daily Data		2025		2024		Norm		Depart		Highest					Lowest
Maximum Humidity		76%		85%		85%		-9%		100%		in	2023		47%		in	1985
Minimum Humidity		29%		57%		47%		-18%		98%		in	1987		13%		in	2012
Average Humidity		53%		71%		66%		-13%		99%		in	1987		32%		in	1985
Maximum Barometer		30.15		30.24		30.05		+00.10		30.74		in	2014		29.50		in	2007
Minimum Barometer		29.87		30.13		29.79		+00.08		30.58		in	2014		28.92		in	1929
Average Barometer		30.01		30.19		29.92		+00.09		30.66		in	2014		29.40		in	2007
Average Wind		9.4		7.3		8.2		+1.2		15.1		in	1986		2.7		in	2005
Direction		WNW		SSE		SSE				NE					S
High Wind Gust		26		18		26		-0		52		in	1954		12		in	2001
Direction		WNW		SSE		SSW				SSW					S
Maximum Water Temp		46.8		51.8		47.1		-0.3		54.0		in	2012		41.3		in	2003
Minimum Water Temp		45.9		50.2		44.6		+1.3		50.2		in	2024		39.8		in	2003
Average Water Temp		46.4		51.0		45.9		+0.5		51.8		in	2012		40.6		in	2003
Sunrise/ AM Twilight		6:52:57 AM						5:31:31 AM
Sunset / PM Twilight		7:28:08 PM						7:57:37 PM
Length Of Day		13:27:09
Special Conditions		None
Comments
Hour-by-Hour Weather For April 17, 2025
Climate Weather for April 17
Weather History For April 17
Weather Calendar
Back To Weather Stat Page
Home