Bainbridge Island, WA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Bainbridge Island, a city in Kitsap County, Washington.
This Afternoon
56°F
Chance Light Rain
A chance of rain after 4pm. Cloudy. High near 56, with temperatures falling to around 52 in the afternoon. South wind around 9 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Bainbridge Island
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 56°F | Chance Light Rain | 9 mph S | 42% |
| Tonight | 46°F | Light Rain then Mostly Cloudy | 3 to 9 mph SSW | 90% |
| Thursday | 55°F | Partly Sunny | 5 to 8 mph SSW | 4% |
| Thursday Night | 45°F | Mostly Cloudy then Chance Light Rain | 7 mph S | 53% |
| Friday | 52°F | Light Rain | 7 to 12 mph S | 90% |
| Friday Night | 48°F | Light Rain Likely | 2 to 12 mph S | 63% |
| Saturday | 61°F | Chance Light Rain | 2 to 9 mph S | 38% |
| Saturday Night | 50°F | Light Rain | 9 to 23 mph S | 90% |
| Sunday | 55°F | Chance Light Rain | 6 to 20 mph SSW | 50% |
| Sunday Night | 44°F | Mostly Cloudy | 2 to 6 mph SE | 7% |
| Monday | 53°F | Mostly Cloudy then Chance Light Rain | 2 to 8 mph SE | 27% |
| Monday Night | 47°F | Light Rain Likely | 8 to 15 mph S | 62% |
| Tuesday | 55°F | Light Rain Likely | 16 mph S | 68% |
| Tuesday Night | 49°F | Light Rain Likely | 10 to 17 mph S | 66% |
Forecast source: National Weather Service (api.weather.gov) for Bainbridge Island (47.642, -122.508). Updated through the day.
Growing snapshot for Bainbridge Island
Last spring frost
Mar 29
First fall frost
Nov 14
Growing season
227 days
Hardiness zone
9a
More local growing data for Bainbridge Island: nearby ZIP 98110 weather · frost dates · planting calendar · Washington frost dates
Nearby towns & communities
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
Port Orchard
Poulsbo
Rocky Point
Seabeck
Silverdale
Southworth
Suquamish
Tracyton
Climate data from the nearest NOAA station, Bremerton, Wa (8.8 mi from Bainbridge Island). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 5, 2026.