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As of 11:08 PST

Weather in Semiahmoo, WA

58°Current weather

Semiahmoo, Saturday, 14 November, 11:08

Partly cloudy. Feels like 57°. High 58°, low 50°.

Pressure29.65 inHg
Wind12 mph SE
Humidity73%
Visibility6.2 mi
Dew point48°
Sun, 1553° / 44°0.84Rain
53 °Rain

Semiahmoo, Sunday, 15 November

Rain. High 53°, low 44°.

Pressure29.80 inHg
Wind12.2 mph S
Humidity90%
Visibility2.9 mi
Dew point48°
Mon, 1649° / 40°0.19Rain
49 °Rain

Semiahmoo, Monday, 16 November

Rain. High 49°, low 40°.

Pressure30.09 inHg
Wind3.2 mph E
Humidity76%
Visibility6.2 mi
Dew point41°
Tue, 1751° / 40°0.07Light rain
51 °Light rain

Semiahmoo, Tuesday, 17 November

Light rain. High 51°, low 40°.

Pressure29.97 inHg
Wind5 mph E
Humidity74%
Visibility3.6 mi
Dew point42°
Wed, 1848° / 34°0Overcast
48 °Overcast

Semiahmoo, Wednesday, 18 November

Overcast. High 48°, low 34°.

Pressure29.94 inHg
Wind4.8 mph NW
Humidity77%
Visibility—
Dew point35°
Thu, 1949° / 30°0Overcast
49 °Overcast

Semiahmoo, Thursday, 19 November

Overcast. High 49°, low 30°.

Pressure30.12 inHg
Wind2.2 mph E
Humidity89%
Visibility—
Dew point35°
Fri, 2046° / 35°0Clear
46 °Clear

Semiahmoo, Friday, 20 November

Clear. High 46°, low 35°.

Pressure29.94 inHg
Wind6.4 mph NE
Humidity59%
Visibility—
Dew point27°
Sat, 2144° / 37°0.01Light rain
44 °Light rain

Semiahmoo, Saturday, 21 November

Light rain. High 44°, low 37°.

Pressure30.03 inHg
Wind10 mph NE
Humidity69%
Visibility—
Dew point31°
Sun, 2247° / 39°0Overcast
47 °Overcast

Semiahmoo, Sunday, 22 November

Overcast. High 47°, low 39°.

Pressure29.94 inHg
Wind9.1 mph NE
Humidity64%
Visibility—
Dew point31°
Mon, 2349° / 43°0.04Light rain
49 °Light rain

Semiahmoo, Monday, 23 November

Light rain. High 49°, low 43°.

Pressure29.91 inHg
Wind10.9 mph NE
Humidity88%
Visibility—
Dew point41°
Tue, 2451° / 45°0.07Light rain
51 °Light rain

Semiahmoo, Tuesday, 24 November

Light rain. High 51°, low 45°.

Pressure29.65 inHg
Wind14.5 mph NE
Humidity79%
Visibility—
Dew point41°
Wed, 2549° / 46°0.09Light rain
49 °Light rain

Semiahmoo, Wednesday, 25 November

Light rain. High 49°, low 46°.

Pressure29.53 inHg
Wind21 mph S
Humidity77%
Visibility—
Dew point41°
Thu, 2648° / 44°0.02Light rain
48 °Light rain

Semiahmoo, Thursday, 26 November

Light rain. High 48°, low 44°.

Pressure30.03 inHg
Wind9.9 mph SE
Humidity81%
Visibility—
Dew point41°
Fri, 2750° / 45°0.01Light rain
50 °Light rain

Semiahmoo, Friday, 27 November

Light rain. High 50°, low 45°.

Pressure30.45 inHg
Wind5 mph E
Humidity83%
Visibility—
Dew point42°
Sat, 2846° / 38°0Overcast
46 °Overcast

Semiahmoo, Saturday, 28 November

Overcast. High 46°, low 38°.

Pressure30.33 inHg
Wind6.4 mph E
Humidity72%
Visibility—
Dew point34°
Sun, 2947° / 44°0.37Rain
47 °Rain

Semiahmoo, Sunday, 29 November

Rain. High 47°, low 44°.

Pressure30.12 inHg
Wind11.6 mph NE
Humidity84%
Visibility—
Dew point40°

About the monthly outlook

How accurate is a 30-day forecast?

The first 16 days come from weather models — reliable for the first 3–5 days and progressively less so after that. Days 17 through 30 for Semiahmoo, WA are built from the climate normal, the 60-year average, so they show typical weather for those dates rather than a specific forecast.

What does "above normal" mean?

We compare the forecast against the climate normal for those exact calendar days, computed from 60 years of observations. The deviation shows how much the coming month differs from a typical one.

Where do the 66-year records come from?

They are real temperature extremes recorded in Semiahmoo, WA since 1960: the highest and lowest reading for each calendar date, with the year it happened.

How often is it updated?

The forecast portion refreshes every hour; the climate portion is based on long-term data and stays stable.