Herron Island, WA Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Herron Island, a community in Pierce County, Washington.

Today

86°F

Sunny then Areas Of Smoke

Areas of smoke after 2pm. Sunny, with a high near 86. Northeast wind 6 to 9 mph.

7-day forecast for Herron Island

When	Temp	Forecast	Wind	Precip
Today	86°F	Sunny then Areas Of Smoke	6 to 9 mph NE	0%
Tonight	58°F	Areas Of Smoke	2 to 9 mph NE	0%
Wednesday	90°F	Patchy Smoke	3 to 7 mph NNE	0%
Wednesday Night	58°F	Mostly Clear	2 to 7 mph NNW	0%
Thursday	88°F	Sunny	2 to 7 mph WSW	0%
Thursday Night	58°F	Mostly Clear	7 mph WSW	0%
Friday	85°F	Sunny	5 to 8 mph SW	0%
Friday Night	57°F	Mostly Clear	1 to 8 mph WSW	0%
Saturday	81°F	Sunny	1 to 9 mph SW	0%
Saturday Night	55°F	Mostly Clear	2 to 9 mph SW	0%
Sunday	76°F	Mostly Sunny	2 to 8 mph SW	0%
Sunday Night	54°F	Mostly Clear	2 to 8 mph WSW	0%
Monday	76°F	Mostly Sunny	2 to 7 mph SW	0%
Monday Night	54°F	Partly Cloudy	2 to 7 mph W	1%

Forecast source: National Weather Service (api.weather.gov) for Herron Island (47.267, -122.832). Updated through the day.

Growing snapshot for Herron Island

Last spring frost

Mar 11

First fall frost

Nov 21

Growing season

254 days

Hardiness zone

More local growing data for Herron Island: nearby ZIP 98394 weather · frost dates · planting calendar · Washington frost dates

Nearby towns & communities

Alder Alderton Anderson Island Artondale Bonney Lake Browns Point Buckley Canterwood Carbonado Clear Lake Clover Creek Crocker Dash Point DuPont Eatonville Edgewood Elbe Elk Plain Enumclaw Fife Fife Heights Fircrest Fort Lewis Fox Island Frederickson Gig Harbor Graham Home Kapowsin Ketron Island

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Climate data from the nearest NOAA station, Tacoma Narrows Ap, Wa (10.7 mi from Herron Island). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.