Boston Harbor, WA Weather Forecast
Local 7-day forecast
Mostly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Boston Harbor, WA in one place.
Mostly sunny, with a high near 64. West southwest wind 6 to 9 mph.
Local Weather Overview
This forecast page for Boston Harbor, WA is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Jun 8, 2026 6:12 PM PDT.
The active forecast window currently covers Jun 10 to Jun 14, 2026 for Boston Harbor, WA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jun 10 to Jun 14, 2026
- Latest sync
- Jun 8, 2026 6:12 PM PDT
- Forecast office
- SEW
- Source
- NOAA / NWS
Daily Outlook
This Week in Boston Harbor
Sunday looks like the warmest upcoming period in Boston Harbor at 91 degrees F.
Wednesday Night is the coolest period ahead with temperatures near 46 degrees F.
The strongest winds are forecast for Wednesday at about 6 to 9 mph WSW.
The forecast from Jun 10 through Jun 14 stays mostly dry.
Forecast Details
- Last updated
- Jun 8, 2026 6:12 PM PDT
- Coverage
- 6 days
- Time zone
- America/Los_Angeles
- Forecast office
- SEW
- Radar station
- KLGX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Partly cloudy, with a low around 46.
Sunny, with a high near 73.
Mostly clear, with a low around 49.
Sunny, with a high near 78.
Clear, with a low around 53.
Sunny, with a high near 84.
Mostly clear, with a low around 58.
Sunny, with a high near 91.
Mostly clear, with a low around 63.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Wednesday
Jun 10
|
Mostly Sunny
|
64°F |
6 to 9 mph
WSW
|
|
Wednesday Night
Jun 10
|
Partly Cloudy
|
46°F |
0 to 8 mph
WNW
|
|
Thursday
Jun 11
|
Sunny
|
73°F |
0 to 6 mph
N
|
|
Thursday Night
Jun 11
|
Mostly Clear
|
49°F |
0 to 6 mph
NW
|
|
Friday
Jun 12
|
Sunny
|
78°F |
0 to 7 mph
NNE
|
|
Friday Night
Jun 12
|
Clear
|
53°F |
1 to 7 mph
N
|
|
Saturday
Jun 13
|
Sunny
|
84°F |
1 to 9 mph
NNE
|
|
Saturday Night
Jun 13
|
Mostly Clear
|
58°F |
1 to 9 mph
NE
|
|
Sunday
Jun 14
|
Sunny
|
91°F |
1 to 9 mph
NE
|
|
Sunday Night
Jun 14
|
Mostly Clear
|
63°F |
0 to 9 mph
NNE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Boston Harbor.