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Martha Lake, WA Weather & Growing Conditions

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

Today
71°F
Partly Sunny
Partly sunny, with a high near 71. Northwest wind around 3 mph.

7-day forecast for Martha Lake

WhenTempForecastWindPrecip
Today 71°F Partly Sunny 3 mph NW 0%
Tonight 50°F Mostly Clear 2 mph NNW 0%
Sunday 69°F Partly Sunny 5 mph NNW 0%
Sunday Night 51°F Partly Cloudy 5 mph N 0%
Monday 70°F Mostly Sunny 1 to 5 mph N 0%
Monday Night 52°F Partly Cloudy 1 to 5 mph N 1%
Tuesday 67°F Partly Sunny 2 mph N 1%
Tuesday Night 50°F Mostly Cloudy 2 mph NE 11%
Wednesday 66°F Partly Sunny then Slight Chance Light Rain 3 mph SSW 16%
Wednesday Night 51°F Slight Chance Light Rain then Mostly Cloudy 3 mph N 16%
Thursday 63°F Mostly Cloudy then Slight Chance Light Rain 2 to 6 mph NNW 18%
Thursday Night 50°F Slight Chance Light Rain 5 mph NNW 19%
Friday 62°F Slight Chance Light Rain 5 mph NNW 16%
Friday Night 49°F Slight Chance Light Rain then Partly Cloudy 5 mph N 15%

Forecast source: National Weather Service (api.weather.gov) for Martha Lake (47.845, -122.233). Updated through the day.

Growing snapshot for Martha Lake

Last spring frost
Mar 9
First fall frost
Nov 17
Growing season
250 days
Hardiness zone
8b

More local growing data for Martha Lake: nearby ZIP 98012 weather · frost dates · planting calendar · Washington frost dates

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Climate data from the nearest NOAA station, Everett Snohomish Ap, Wa (5.9 mi from Martha Lake). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.