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As of 01:49 PDT

Weather in Semiahmoo, WA

45°Current weather

Semiahmoo, Friday, 30 October, 01:49

Rain. Feels like 45°. High 48°, low 44°.

Pressure29.94 inHg
Wind2.3 mph E
Humidity86%
Visibility6.2 mi
Dew point41°
Sat, 3152° / 42°0.02Light rain
52 °Light rain

Semiahmoo, Saturday, 31 October

Light rain. High 52°, low 42°.

Pressure30.06 inHg
Wind2.5 mph NE
Humidity80%
Visibility3.5 mi
Dew point43°
Sun, 0152° / 36°0Partly cloudy
52 °Partly cloudy

Semiahmoo, Sunday, 1 November

Partly cloudy. High 52°, low 36°.

Pressure30.09 inHg
Wind1.7 mph E
Humidity89%
Visibility0.6 mi
Dew point42°
Mon, 0251° / 37°0.02Light rain
51 °Light rain

Semiahmoo, Monday, 2 November

Light rain. High 51°, low 37°.

Pressure30.24 inHg
Wind1.5 mph NE
Humidity78%
Visibility1.4 mi
Dew point41°
Tue, 0357° / 46°0Overcast
57 °Overcast

Semiahmoo, Tuesday, 3 November

Overcast. High 57°, low 46°.

Pressure30.21 inHg
Wind5.2 mph NE
Humidity83%
Visibility—
Dew point45°
Wed, 0459° / 42°0Clear
59 °Clear

Semiahmoo, Wednesday, 4 November

Clear. High 59°, low 42°.

Pressure29.97 inHg
Wind4.5 mph E
Humidity82%
Visibility—
Dew point45°
Thu, 0547° / 44°0.06Light rain
47 °Light rain

Semiahmoo, Thursday, 5 November

Light rain. High 47°, low 44°.

Pressure29.91 inHg
Wind5.1 mph SE
Humidity83%
Visibility—
Dew point42°
Fri, 0648° / 42°0.1Light rain
48 °Light rain

Semiahmoo, Friday, 6 November

Light rain. High 48°, low 42°.

Pressure30.15 inHg
Wind8.7 mph NE
Humidity89%
Visibility—
Dew point43°
Sat, 0756° / 48°0.12Light rain
56 °Light rain

Semiahmoo, Saturday, 7 November

Light rain. High 56°, low 48°.

Pressure30.12 inHg
Wind5.7 mph NE
Humidity89%
Visibility—
Dew point49°
Sun, 0858° / 51°0Overcast
58 °Overcast

Semiahmoo, Sunday, 8 November

Overcast. High 58°, low 51°.

Pressure29.80 inHg
Wind5.9 mph E
Humidity82%
Visibility—
Dew point49°
Mon, 0954° / 49°0.07Light rain
54 °Light rain

Semiahmoo, Monday, 9 November

Light rain. High 54°, low 49°.

Pressure29.50 inHg
Wind18.2 mph SE
Humidity71%
Visibility—
Dew point44°
Tue, 1051° / 44°0.19Light rain
51 °Light rain

Semiahmoo, Tuesday, 10 November

Light rain. High 51°, low 44°.

Pressure29.38 inHg
Wind19.4 mph S
Humidity76%
Visibility—
Dew point41°
Wed, 1147° / 40°0.11Light rain
47 °Light rain

Semiahmoo, Wednesday, 11 November

Light rain. High 47°, low 40°.

Pressure29.50 inHg
Wind12.6 mph SE
Humidity89%
Visibility—
Dew point42°
Thu, 1248° / 36°0Clear
48 °Clear

Semiahmoo, Thursday, 12 November

Clear. High 48°, low 36°.

Pressure30.06 inHg
Wind5.4 mph E
Humidity72%
Visibility—
Dew point33°
Fri, 1349° / 36°0Partly cloudy
49 °Partly cloudy

Semiahmoo, Friday, 13 November

Partly cloudy. High 49°, low 36°.

Pressure30.39 inHg
Wind5.5 mph E
Humidity72%
Visibility—
Dew point33°
Sat, 1450° / 39°0Overcast
50 °Overcast

Semiahmoo, Saturday, 14 November

Overcast. High 50°, low 39°.

Pressure30.24 inHg
Wind5.7 mph E
Humidity57%
Visibility—
Dew point30°

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.