Keyport, WA Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Keyport, a community in Kitsap County, Washington.

Tonight

52°F

Mostly Cloudy

Mostly cloudy, with a low around 52. North northeast wind around 1 mph.

7-day forecast for Keyport

When	Temp	Forecast	Wind	Precip
Tonight	52°F	Mostly Cloudy	1 mph NNE	0%
Saturday	72°F	Partly Sunny	0 to 5 mph E	0%
Saturday Night	52°F	Mostly Clear	0 to 5 mph NNE	0%
Sunday	71°F	Mostly Sunny	0 to 7 mph N	0%
Sunday Night	52°F	Mostly Clear	0 to 7 mph N	0%
Monday	71°F	Mostly Sunny	0 to 6 mph E	0%
Monday Night	53°F	Partly Cloudy	0 to 6 mph NNE	2%
Tuesday	68°F	Partly Sunny	0 to 5 mph E	2%
Tuesday Night	52°F	Mostly Cloudy	0 to 5 mph NNE	8%
Wednesday	67°F	Partly Sunny	0 to 6 mph SE	13%
Wednesday Night	52°F	Mostly Cloudy	1 to 6 mph N	13%
Thursday	64°F	Mostly Cloudy then Slight Chance Light Rain	1 to 9 mph NNE	20%
Thursday Night	52°F	Slight Chance Light Rain	2 to 9 mph N	23%
Friday	64°F	Partly Sunny	2 to 9 mph N	14%

Forecast source: National Weather Service (api.weather.gov) for Keyport (47.700, -122.624). Updated through the day.

Growing snapshot for Keyport

Last spring frost

Mar 29

First fall frost

Nov 14

Growing season

227 days

Hardiness zone

More local growing data for Keyport: nearby ZIP 98345 weather · frost dates · planting calendar · Washington frost dates

Nearby towns & communities

Bainbridge Island Bangor Base Bethel Bremerton Brinnon Burley Chico East Port Orchard Enetai Erlands Point Gorst Hansville Indianola Kingston Kitsap Lake Lofall Manchester Navy Yard City Parkwood Port Gamble Tribal Community Port Orchard Poulsbo Rocky Point Seabeck Silverdale Southworth Suquamish Tracyton

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Climate data from the nearest NOAA station, Bremerton, Wa (9.5 mi from Keyport). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.