Bainbridge Island, WA Weather & Growing Conditions
Overnight
40°F
Patchy Fog
Patchy fog. Mostly cloudy, with a low around 40. South wind around 2 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 40°F | Patchy Fog | 2 mph S | 0% |
| Wednesday | 56°F | Patchy Fog then Light Rain Likely | 3 to 10 mph S | 56% |
| Wednesday Night | 46°F | Light Rain | 8 to 14 mph S | 87% |
| Thursday | 56°F | Mostly Sunny | 10 mph SSW | 5% |
| Thursday Night | 45°F | Light Rain Likely | 10 mph S | 74% |
| Friday | 54°F | Light Rain | 9 to 14 mph S | 77% |
| Friday Night | 47°F | Light Rain Likely | 2 to 10 mph S | 67% |
| Saturday | 60°F | Chance Light Rain | 2 to 9 mph S | 39% |
| Saturday Night | 50°F | Light Rain | 9 to 23 mph S | 81% |
| Sunday | 55°F | Light Rain Likely | 7 to 18 mph SSW | 57% |
| Sunday Night | 45°F | Slight Chance Light Rain | 3 to 7 mph SSE | 15% |
| Monday | 54°F | Chance Light Rain | 3 to 8 mph ESE | 44% |
| Monday Night | 47°F | Light Rain Likely | 8 to 16 mph S | 59% |
| Tuesday | 56°F | Light Rain Likely | 13 to 16 mph S | 59% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Bainbridge Island, WA
Last spring frost
Mar 29
First fall frost
Nov 14
Growing season
227 days
Hardiness zone
9a
Explore more for Bainbridge Island, WA: full frost dates · planting calendar · Washington frost dates
Climate data from the nearest NOAA station, Bremerton, Wa (8.8 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.