Seattle Weather History Washington, 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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Wed 23 Sep, 2026 Weather in Seattle

Sunrise: 06:57 AM Sunset: 07:05 PM	Moonrise: 06:01 PM Moonset: 03:47 AM	Max: 17.8 °c	Min: 11.4 °c	Avg: 13.9 °c	Precip: 0.20 mm	Max Wind: 11.9 kph

	Wed 23 0:00 am	Wed 23 3:00 am	Wed 23 6:00 am	Wed 23 9:00 am	Wed 23 12:00 pm	Wed 23 3:00 pm	Wed 23 6:00 pm	Wed 23 9:00 pm
Icon
Temp	12.0°c	12.0°c	11.6°c	14.1°c	15.2°c	17.2°c	16.6°c	13.1°c
Wind	9.0 kmph	6.8 kmph	6.8 kmph	6.1 kmph	5.8 kmph	10.4 kmph	10.1 kmph	8.3 kmph
Precip	0.00 mm	0.00 mm	0.00 mm	0.00 mm	0.20 mm	0.00 mm	0.00 mm	0.00 mm
Cloud	39%	100%	97%	100%	98%	94%	100%	77%
Humidity	93%	91%	86%	74%	73%	63%	64%	64%
Pressure	1018 mb	1019 mb	1019 mb	1020 mb	1020 mb	1019 mb	1019 mb	1019 mb

Seattle Annual Weather Averages

Month	High Temp	Low Temp	Avg Temp	Sunshine Hours	Rainfall	Rain days	Pressure
January	8°C / 46°F	2°C / 36°F	5°C / 40°F	108 hours	175.10 mm / 6.89 In	12 days	1019 mb / 31 In
February	8°C / 47°F	2°C / 36°F	5°C / 41°F	88 hours	129.15 mm / 5.08 In	11 days	1018 mb / 31 In
March	11°C / 52°F	3°C / 38°F	7°C / 44°F	98 hours	149.89 mm / 5.90 In	12 days	1016 mb / 30 In
April	14°C / 57°F	5°C / 41°F	9°C / 49°F	118 hours	111.06 mm / 4.37 In	10 days	1017 mb / 31 In
May	18°C / 65°F	8°C / 47°F	13°C / 56°F	157 hours	77.90 mm / 3.07 In	7 days	1017 mb / 31 In
June	21°C / 70°F	11°C / 52°F	16°C / 61°F	170 hours	63.01 mm / 2.48 In	5 days	1016 mb / 30 In
July	26°C / 78°F	14°C / 57°F	19°C / 67°F	241 hours	19.20 mm / 0.76 In	2 days	1017 mb / 31 In
August	26°C / 79°F	14°C / 58°F	20°C / 67°F	246 hours	30.77 mm / 1.21 In	3 days	1016 mb / 30 In
September	22°C / 72°F	12°C / 53°F	16°C / 61°F	204 hours	74.93 mm / 2.95 In	6 days	1016 mb / 30 In
October	16°C / 60°F	8°C / 46°F	11°C / 52°F	161 hours	149.11 mm / 5.87 In	10 days	1017 mb / 31 In
November	10°C / 50°F	5°C / 40°F	7°C / 45°F	104 hours	212.92 mm / 8.38 In	13 days	1017 mb / 31 In
December	7°C / 44°F	2°C / 36°F	4°C / 40°F	97 hours	195.19 mm / 7.68 In	13 days	1018 mb / 31 In

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