Lake Marcel-Stillwater CDP, Washington

Official LSAD Designation: Lake Marcel-Stillwater CDP • Census GEOID: 5337538 • King County

Climate Normals & Weather Observations

30-year climate normals (1991–2020) and weather observations for Lake Marcel-Stillwater CDP.

Reference Weather Station: TOLT S FK RSVR, WA US (ID: USC00458508) • Located 10.4 miles from community center • Elevation: 609.6 m

Month	Average High (°F)	Average Low (°F)	Mean Temp (°F)	Precipitation (in)
January	41.1°	32.7°	36.9°	13.63"
February	42.8°	32.7°	37.7°	9.22"
March	45.7°	33.7°	39.7°	11.47"
April	51.7°	37.4°	44.6°	9.67"
May	60.6°	43.5°	52.0°	6.94"
June	64.8°	48.5°	56.7°	6.06"
July	72.0°	53.6°	62.8°	2.54"
August	72.3°	53.9°	63.1°	2.41"
September	65.9°	50.3°	58.1°	5.58"
October	54.7°	42.8°	48.7°	10.47"
November	45.2°	36.4°	40.8°	14.51"
December	39.5°	32.2°	35.8°	11.84"

2010–2025, completed calendar years only.

NOAA station TOLT S FK RSVR, WA US (ID: USC00458508) • 10.4 miles from community center .

This is the same reference station used for monthly normals.

Show annual mean of daily highs and lows

Annual mean Annual mean of daily highs Annual mean of daily lows

Annual temperature data table (°F)

Annual station temperatures, 2010–2025. Unavailable means no reported value.
Year	Annual mean (°F)	Annual mean of daily highs (°F)	Annual mean of daily lows (°F)
2010	Unavailable	Unavailable	Unavailable
2011	45.3	51.2	39.5
2012	47.3	53.5	41.1
2013	47.5	53.8	41.2
2014	49.2	55.4	42.9
2015	50.7	57.7	43.7
2016	49.1	55.3	43.0
2017	48.1	55.1	41.0
2018	48.9	55.5	42.4
2019	Unavailable	Unavailable	Unavailable
2020	48.6	55.6	41.6
2021	49.0	56.1	41.9
2022	49.5	56.6	42.3
2023	50.0	57.0	43.1
2024	49.2	56.1	42.2
2025	50.3	57.3	43.4

Source: NOAA NCEI 1991–2020 U.S. Climate Normals, National Weather Service.