Semiahmoo, WA Weather Forecast
Local 7-day forecast
Light Rain Likely then Chance Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for Semiahmoo, WA in one place.
Rain likely before 2pm, then a chance of showers and thunderstorms between 2pm and 5pm, then a chance of rain. Mostly cloudy, with a high near 65. Southwest wind 5 to 15 mph. Chance of precipitation is 70%. New rainfall amounts less than a tenth of an inch possible.
Local Weather Overview
This forecast page for Semiahmoo, 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 1:10 AM PDT.
The active forecast window currently covers Jun 9 to Jun 14, 2026 for Semiahmoo, WA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jun 9 to Jun 14, 2026
- Latest sync
- Jun 8, 2026 1:10 AM PDT
- Forecast office
- SEW
- Source
- NOAA / NWS
Daily Outlook
This Week in Semiahmoo
Sunday looks like the warmest upcoming period in Semiahmoo at 80 degrees F.
Wednesday Night is the coolest period ahead with temperatures near 49 degrees F.
The strongest winds are forecast for Tuesday at about 5 to 15 mph SW.
Precipitation is mentioned in 2 upcoming forecast periods.
Forecast Details
- Last updated
- Jun 8, 2026 1:10 AM PDT
- Coverage
- 6 days
- Time zone
- America/Los_Angeles
- Forecast office
- SEW
- Radar station
- KATX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
A chance of rain before 5am. Mostly cloudy, with a low around 50. Southwest wind 6 to 15 mph. Chance of precipitation is 30%.
Mostly sunny, with a high near 65.
Partly cloudy, with a low around 49.
Sunny, with a high near 67.
Mostly clear, with a low around 50.
Sunny, with a high near 71.
Mostly clear, with a low around 54.
Sunny, with a high near 76.
Mostly clear, with a low around 57.
Sunny, with a high near 80.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tuesday
Jun 9
|
Light Rain Likely then Chance Showers And Thunderstorms
|
65°F |
5 to 15 mph
SW
|
|
Tuesday Night
Jun 9
|
Chance Light Rain
|
50°F |
6 to 15 mph
SW
|
|
Wednesday
Jun 10
|
Mostly Sunny
|
65°F |
7 mph
SSW
|
|
Wednesday Night
Jun 10
|
Partly Cloudy
|
49°F |
3 to 7 mph
SSE
|
|
Thursday
Jun 11
|
Sunny
|
67°F |
6 mph
S
|
|
Thursday Night
Jun 11
|
Mostly Clear
|
50°F |
1 to 5 mph
SSE
|
|
Friday
Jun 12
|
Sunny
|
71°F |
0 to 7 mph
NW
|
|
Friday Night
Jun 12
|
Mostly Clear
|
54°F |
1 to 6 mph
W
|
|
Saturday
Jun 13
|
Sunny
|
76°F |
1 to 8 mph
NW
|
|
Saturday Night
Jun 13
|
Mostly Clear
|
57°F |
1 to 7 mph
NW
|
|
Sunday
Jun 14
|
Sunny
|
80°F |
1 to 7 mph
NW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Semiahmoo.