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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.

Overnight
39°F
Partly Cloudy
Partly cloudy, with a low around 39. South southeast wind around 2 mph.

7-day forecast for Martha Lake

WhenTempForecastWindPrecip
Overnight 39°F Partly Cloudy 2 mph SSE 0%
Wednesday 56°F Partly Sunny then Chance Light Rain 2 to 8 mph SSE 37%
Wednesday Night 47°F Light Rain 7 to 12 mph S 83%
Thursday 55°F Partly Sunny 8 mph S 6%
Thursday Night 45°F Light Rain 9 mph SSE 76%
Friday 54°F Light Rain 6 to 13 mph SSE 76%
Friday Night 48°F Light Rain Likely 6 mph SSE 72%
Saturday 61°F Chance Light Rain 3 mph SSE 26%
Saturday Night 50°F Light Rain 3 to 15 mph S 81%
Sunday 55°F Light Rain Likely 2 to 14 mph S 61%
Sunday Night 42°F Slight Chance Light Rain 3 mph SE 19%
Monday 54°F Chance Light Rain 3 mph SE 40%
Monday Night 46°F Light Rain Likely 3 to 10 mph SSE 58%
Tuesday 57°F Light Rain Likely 6 to 12 mph SSE 58%

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 Nov 4, 2026.