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Lake McMurray, WA Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Lake McMurray, a community in Skagit County, Washington.

This Afternoon
72°F
Mostly Sunny
Mostly sunny, with a high near 72. West northwest wind around 3 mph.

7-day forecast for Lake McMurray

WhenTempForecastWindPrecip
This Afternoon 72°F Mostly Sunny 3 mph WNW 0%
Tonight 51°F Mostly Clear 2 mph WNW 0%
Sunday 72°F Mostly Sunny 3 mph WSW 0%
Sunday Night 51°F Mostly Cloudy 2 mph ENE 0%
Monday 70°F Partly Sunny 3 mph SW 0%
Monday Night 51°F Partly Cloudy 3 mph N 0%
Tuesday 68°F Partly Sunny 3 mph SW 1%
Tuesday Night 51°F Mostly Cloudy 3 mph S 11%
Wednesday 66°F Partly Sunny 3 mph S 13%
Wednesday Night 49°F Mostly Cloudy 2 mph N 10%
Thursday 64°F Mostly Cloudy then Slight Chance Light Rain 1 to 5 mph NNW 16%
Thursday Night 49°F Chance Light Rain 5 mph NNW 26%
Friday 64°F Chance Light Rain 5 mph NW 26%
Friday Night 47°F Slight Chance Light Rain 5 mph NE 23%

Forecast source: National Weather Service (api.weather.gov) for Lake McMurray (48.319, -122.233). Updated through the day.

Growing snapshot for Lake McMurray

Last spring frost
Apr 22
First fall frost
Oct 19
Growing season
181 days
Hardiness zone
8b

More local growing data for Lake McMurray: nearby ZIP 98274 weather · frost dates · planting calendar · Washington frost dates

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Climate data from the nearest NOAA station, Arlington, Wa (10.3 mi from Lake McMurray). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.