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
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| 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
Nearby towns & communities
Bainbridge Island
Bangor Base
Bethel
Bremerton
Brinnon
Burley
Chico
East Port Orchard
Enetai
Erlands Point
Gorst
Hansville
Indianola
Keyport
Kingston
Kitsap Lake
Lofall
Manchester
Navy Yard City
Parkwood
Port Gamble Tribal Community
Poulsbo
Rocky Point
Seabeck
Silverdale
Southworth
Suquamish
Tracyton
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.