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Port Orchard, WA Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Port Orchard, a city in Kitsap County, Washington.

This Afternoon
75°F
Sunny
Sunny, with a high near 75. Northeast wind around 3 mph.

7-day forecast for Port Orchard

WhenTempForecastWindPrecip
This Afternoon 75°F Sunny 3 mph NE 0%
Tonight 51°F Mostly Clear 0 to 3 mph NNE 0%
Sunday 75°F Mostly Sunny 0 to 6 mph NE 0%
Sunday Night 51°F Partly Cloudy 0 to 6 mph NNE 0%
Monday 74°F Partly Sunny 0 to 5 mph ENE 0%
Monday Night 53°F Mostly Cloudy 0 to 5 mph NNE 2%
Tuesday 70°F Mostly Cloudy 0 to 5 mph ESE 2%
Tuesday Night 50°F Mostly Cloudy 0 to 5 mph SSE 5%
Wednesday 68°F Partly Sunny 1 to 6 mph SSW 9%
Wednesday Night 50°F Mostly Cloudy 0 to 6 mph N 10%
Thursday 64°F Partly Sunny then Slight Chance Light Rain 0 to 8 mph N 17%
Thursday Night 50°F Slight Chance Light Rain 2 to 8 mph N 17%
Friday 64°F Slight Chance Light Rain 2 to 9 mph N 19%
Friday Night 49°F Partly Cloudy 5 to 9 mph N 11%

Forecast source: National Weather Service (api.weather.gov) for Port Orchard (47.538, -122.632). Updated through the day.

Growing snapshot for Port Orchard

Last spring frost
Mar 29
First fall frost
Nov 14
Growing season
227 days
Hardiness zone
9a

More local growing data for Port Orchard: nearby ZIP 98337 weather · frost dates · planting calendar · Washington frost dates

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Climate data from the nearest NOAA station, Bremerton, Wa (2.1 mi from Port Orchard). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.