West Lake Sammamish 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 01 Apr, 2026 Weather in West Lake Sammamish

Sunrise: 06:47 AM Sunset: 07:39 PM	Moonrise: 07:43 PM Moonset: 06:25 AM	Max: 9.8 °c	Min: 6.1 °c	Avg: 7.7 °c	Precip: 26.50 mm	Max Wind: 13.7 kph

	Wed 01 0:00 am	Wed 01 3:00 am	Wed 01 6:00 am	Wed 01 9:00 am	Wed 01 12:00 pm	Wed 01 3:00 pm	Wed 01 6:00 pm	Wed 01 9:00 pm
Icon
Temp	7.8°c	6.6°c	6.1°c	6.9°c	8.0°c	9.4°c	8.9°c	7.6°c
Wind	6.5 kmph	5.4 kmph	6.5 kmph	6.5 kmph	4.3 kmph	4.3 kmph	10.8 kmph	5.8 kmph
Precip	0.00 mm	1.00 mm	2.30 mm	2.90 mm	1.60 mm	0.50 mm	0.50 mm	0.00 mm
Cloud	100%	100%	100%	100%	100%	84%	74%	84%
Humidity	79%	84%	91%	92%	92%	81%	72%	73%
Pressure	1005 mb	1004 mb	1001 mb	999 mb	998 mb	999 mb	1000 mb	1002 mb

West Lake Sammamish Annual Weather Averages

Month	High Temp	Low Temp	Avg Temp	Sunshine Hours	Rainfall	Rain days	Pressure
January	7°C / 45°F	2°C / 36°F	4°C / 40°F	113 hours	183.54 mm / 7.23 In	13 days	1019 mb / 31 In
February	8°C / 46°F	2°C / 35°F	4°C / 40°F	88 hours	132.15 mm / 5.20 In	11 days	1018 mb / 31 In
March	11°C / 51°F	3°C / 37°F	6°C / 43°F	99 hours	165.99 mm / 6.54 In	13 days	1016 mb / 30 In
April	14°C / 57°F	5°C / 40°F	9°C / 48°F	115 hours	117.22 mm / 4.61 In	10 days	1017 mb / 31 In
May	18°C / 65°F	8°C / 46°F	13°C / 55°F	166 hours	83.83 mm / 3.30 In	8 days	1017 mb / 30 In
June	21°C / 70°F	10°C / 50°F	16°C / 60°F	180 hours	67.05 mm / 2.64 In	6 days	1016 mb / 30 In
July	26°C / 78°F	13°C / 55°F	19°C / 66°F	255 hours	20.01 mm / 0.79 In	2 days	1017 mb / 31 In
August	26°C / 78°F	14°C / 57°F	19°C / 67°F	261 hours	33.85 mm / 1.33 In	3 days	1016 mb / 30 In
September	22°C / 71°F	11°C / 52°F	16°C / 61°F	204 hours	76.73 mm / 3.02 In	6 days	1016 mb / 30 In
October	15°C / 60°F	8°C / 46°F	11°C / 52°F	159 hours	155.49 mm / 6.12 In	10 days	1017 mb / 31 In
November	10°C / 50°F	4°C / 39°F	7°C / 44°F	104 hours	225.24 mm / 8.87 In	13 days	1017 mb / 31 In
December	7°C / 44°F	2°C / 35°F	4°C / 39°F	97 hours	210.25 mm / 8.28 In	13 days	1018 mb / 31 In

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