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As of 23:06 PST

Weather in Semiahmoo, WA

38°Current weather

Semiahmoo, Sunday, 1 November, 23:06

Overcast. Feels like 35°. High 49°, low 38°.

Pressure30.18 inHg
Wind4 mph E
Humidity91%
Visibility0.5 mi
Dew point37°
Mon, 0248° / 38°0Overcast
48 °Overcast

Semiahmoo, Monday, 2 November

Overcast. High 48°, low 38°.

Pressure30.21 inHg
Wind0.6 mph NW
Humidity68%
Visibility6.2 mi
Dew point42°
Tue, 0357° / 43°0Overcast
57 °Overcast

Semiahmoo, Tuesday, 3 November

Overcast. High 57°, low 43°.

Pressure30.09 inHg
Wind2.6 mph NW
Humidity59%
Visibility6.2 mi
Dew point41°
Wed, 0456° / 38°0.02Light rain
56 °Light rain

Semiahmoo, Wednesday, 4 November

Light rain. High 56°, low 38°.

Pressure30.06 inHg
Wind1.5 mph NE
Humidity71%
Visibility6.2 mi
Dew point44°
Thu, 0553° / 47°0.17Light rain
53 °Light rain

Semiahmoo, Thursday, 5 November

Light rain. High 53°, low 47°.

Pressure30.15 inHg
Wind8.4 mph S
Humidity84%
Visibility6.2 mi
Dew point48°
Fri, 0656° / 43°0.4Rain
56 °Rain

Semiahmoo, Friday, 6 November

Rain. High 56°, low 43°.

Pressure29.94 inHg
Wind21 mph S
Humidity87%
Visibility—
Dew point45°
Sat, 0749° / 38°0.01Light rain
49 °Light rain

Semiahmoo, Saturday, 7 November

Light rain. High 49°, low 38°.

Pressure30.15 inHg
Wind7.1 mph NE
Humidity85%
Visibility—
Dew point39°
Sun, 0852° / 47°0.19Rain
52 °Rain

Semiahmoo, Sunday, 8 November

Rain. High 52°, low 47°.

Pressure30.27 inHg
Wind10.6 mph S
Humidity80%
Visibility—
Dew point46°
Mon, 0953° / 46°0Overcast
53 °Overcast

Semiahmoo, Monday, 9 November

Overcast. High 53°, low 46°.

Pressure30.06 inHg
Wind3.5 mph NE
Humidity65%
Visibility—
Dew point38°
Tue, 1058° / 47°0Overcast
58 °Overcast

Semiahmoo, Tuesday, 10 November

Overcast. High 58°, low 47°.

Pressure30.03 inHg
Wind4.9 mph NE
Humidity73%
Visibility—
Dew point44°
Wed, 1161° / 51°0Overcast
61 °Overcast

Semiahmoo, Wednesday, 11 November

Overcast. High 61°, low 51°.

Pressure29.91 inHg
Wind6.9 mph NE
Humidity66%
Visibility—
Dew point44°
Thu, 1256° / 49°0.22Rain
56 °Rain

Semiahmoo, Thursday, 12 November

Rain. High 56°, low 49°.

Pressure29.74 inHg
Wind14.8 mph S
Humidity71%
Visibility—
Dew point45°
Fri, 1352° / 49°0.24Light rain
52 °Light rain

Semiahmoo, Friday, 13 November

Light rain. High 52°, low 49°.

Pressure29.65 inHg
Wind24.5 mph S
Humidity78%
Visibility—
Dew point44°
Sat, 1449° / 46°0.32Light rain
49 °Light rain

Semiahmoo, Saturday, 14 November

Light rain. High 49°, low 46°.

Pressure29.56 inHg
Wind11 mph S
Humidity80%
Visibility—
Dew point42°
Sun, 1552° / 44°0.54Rain
52 °Rain

Semiahmoo, Sunday, 15 November

Rain. High 52°, low 44°.

Pressure29.80 inHg
Wind12.1 mph S
Humidity84%
Visibility—
Dew point46°
Mon, 1648° / 45°0.05Light rain
48 °Light rain

Semiahmoo, Monday, 16 November

Light rain. High 48°, low 45°.

Pressure30.03 inHg
Wind11.8 mph SE
Humidity87%
Visibility—
Dew point42°

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.