Port Orchard, WA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Port Orchard, a city in Kitsap County, Washington.
Overnight
38°F
Patchy Fog
Patchy fog. Mostly cloudy, with a low around 38. South wind around 1 mph.
7-day forecast for Port Orchard
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 38°F | Patchy Fog | 1 mph S | 0% |
| Wednesday | 57°F | Patchy Fog then Light Rain Likely | 2 to 12 mph SSW | 69% |
| Wednesday Night | 45°F | Light Rain then Mostly Cloudy | 9 to 15 mph SSW | 95% |
| Thursday | 58°F | Mostly Sunny | 12 mph SSW | 5% |
| Thursday Night | 45°F | Light Rain | 10 mph S | 82% |
| Friday | 55°F | Light Rain | 9 to 16 mph S | 84% |
| Friday Night | 47°F | Light Rain Likely | 1 to 9 mph S | 70% |
| Saturday | 62°F | Chance Light Rain | 1 to 8 mph S | 47% |
| Saturday Night | 49°F | Light Rain | 8 to 20 mph S | 83% |
| Sunday | 56°F | Light Rain Likely | 8 to 17 mph SSW | 60% |
| Sunday Night | 42°F | Slight Chance Light Rain | 1 to 8 mph SSE | 15% |
| Monday | 54°F | Chance Light Rain | 1 to 7 mph SE | 45% |
| Monday Night | 45°F | Light Rain Likely | 7 to 10 mph S | 61% |
| Tuesday | 57°F | Light Rain Likely | 10 to 15 mph S | 61% |
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 Nov 4, 2026.