Keyport, WA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Keyport, a community in Kitsap County, Washington.
This Afternoon
56°F
Partly Sunny
Partly sunny. High near 56, with temperatures falling to around 51 in the afternoon. North wind around 3 mph.
7-day forecast for Keyport
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 56°F | Partly Sunny | 3 mph N | 3% |
| Tonight | 41°F | Patchy Fog | 2 mph WNW | 3% |
| Wednesday | 56°F | Patchy Fog then Slight Chance Light Rain | 2 to 9 mph S | 24% |
| Wednesday Night | 47°F | Light Rain | 6 to 14 mph S | 94% |
| Thursday | 56°F | Partly Sunny | 6 to 10 mph S | 7% |
| Thursday Night | 48°F | Light Rain | 9 to 13 mph S | 80% |
| Friday | 55°F | Light Rain | 12 to 16 mph S | 80% |
| Friday Night | 48°F | Chance Light Rain | 2 to 12 mph S | 44% |
| Saturday | 59°F | Chance Light Rain | 2 to 12 mph S | 37% |
| Saturday Night | 50°F | Light Rain | 12 to 21 mph S | 77% |
| Sunday | 56°F | Light Rain Likely | 8 to 20 mph S | 65% |
| Sunday Night | 45°F | Chance Light Rain | 2 to 8 mph S | 26% |
| Monday | 55°F | Light Rain Likely | 2 to 10 mph SSE | 56% |
| Monday Night | 48°F | Light Rain | 10 to 17 mph S | 75% |
Forecast source: National Weather Service (api.weather.gov) for Keyport (47.700, -122.624). Updated through the day.
Growing snapshot for Keyport
Last spring frost
Mar 29
First fall frost
Nov 14
Growing season
227 days
Hardiness zone
9a
More local growing data for Keyport: nearby ZIP 98345 weather · frost dates · planting calendar · Washington frost dates
Nearby towns & communities
Bainbridge Island
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East Port Orchard
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Indianola
Kingston
Kitsap Lake
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Manchester
Navy Yard City
Parkwood
Port Gamble Tribal Community
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Rocky Point
Seabeck
Silverdale
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Climate data from the nearest NOAA station, Bremerton, Wa (9.5 mi from Keyport). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.