Portsmouth Weather History Ohio, 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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Tue 11 Aug, 2026 Weather in Portsmouth

Sunrise: 06:42 AM Sunset: 08:32 PM	Moonrise: 04:44 AM Moonset: 07:54 PM	Max: 28.1 °c	Min: 20.5 °c	Avg: 24.3 °c	Precip: 53.82 mm	Max Wind: 23.0 kph

	Tue 11 0:00 am	Tue 11 3:00 am	Tue 11 6:00 am	Tue 11 9:00 am	Tue 11 12:00 pm	Tue 11 3:00 pm	Tue 11 6:00 pm	Tue 11 9:00 pm
Icon
Temp	23.9°c	23.5°c	22.8°c	25.5°c	27.2°c	26.9°c	22.5°c	21.6°c
Wind	13.7 kmph	10.4 kmph	5.4 kmph	12.7 kmph	13.6 kmph	14.8 kmph	20.6 kmph	6.9 kmph
Precip	1.80 mm	3.50 mm	0.00 mm	0.40 mm	14.00 mm	0.00 mm	4.40 mm	0.00 mm
Cloud	72%	88%	75%	86%	86%	1%	76%	1%
Humidity	75%	85%	89%	81%	71%	71%	96%	88%
Pressure	1017 mb	1017 mb	1017 mb	1017 mb	1019 mb	1014 mb	1014 mb	1014 mb

Portsmouth Annual Weather Averages

Month	High Temp	Low Temp	Avg Temp	Sunshine Hours	Rainfall	Rain days	Pressure
January	4°C / 39°F	-4°C / 25°F	0°C / 31°F	112 hours	102.87 mm / 4.05 In	9 days	1021 mb / 31 In
February	7°C / 44°F	-2°C / 28°F	2°C / 36°F	110 hours	121.31 mm / 4.78 In	9 days	1020 mb / 31 In
March	13°C / 55°F	2°C / 36°F	7°C / 45°F	135 hours	126.87 mm / 5.00 In	9 days	1019 mb / 31 In
April	18°C / 65°F	7°C / 45°F	13°C / 55°F	158 hours	138.77 mm / 5.46 In	9 days	1016 mb / 30 In
May	24°C / 74°F	13°C / 55°F	18°C / 64°F	162 hours	154.57 mm / 6.09 In	10 days	1016 mb / 30 In
June	28°C / 83°F	17°C / 62°F	22°C / 72°F	193 hours	141.99 mm / 5.59 In	10 days	1014 mb / 30 In
July	30°C / 87°F	19°C / 66°F	24°C / 76°F	192 hours	146.30 mm / 5.76 In	10 days	1015 mb / 30 In
August	30°C / 85°F	18°C / 64°F	23°C / 74°F	226 hours	86.22 mm / 3.39 In	9 days	1016 mb / 30 In
September	26°C / 79°F	15°C / 59°F	20°C / 68°F	217 hours	105.22 mm / 4.14 In	7 days	1017 mb / 31 In
October	19°C / 67°F	9°C / 48°F	14°C / 57°F	196 hours	102.44 mm / 4.03 In	6 days	1018 mb / 31 In
November	12°C / 54°F	3°C / 37°F	7°C / 45°F	188 hours	94.44 mm / 3.72 In	5 days	1021 mb / 31 In
December	7°C / 45°F	0°C / 32°F	3°C / 38°F	119 hours	127.49 mm / 5.02 In	8 days	1020 mb / 31 In

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