As of 05:38 PDT

Weather in Semiahmoo, WA

45°Current weather

Semiahmoo, Sunday, 25 October, 05:38

Light rain. Feels like 42°. High 54°, low 44°.

Pressure29.97 inHg
Wind7 mph E
Humidity92%
Visibility6.2 mi
Dew point43°
Mon, 2654° / 45°0Overcast
54 °Overcast

Semiahmoo, Monday, 26 October

Overcast. High 54°, low 45°.

Pressure30.03 inHg
Wind1.2 mph SW
Humidity76%
Visibility6.2 mi
Dew point48°
Tue, 2750° / 43°0.31Rain
50 °Rain

Semiahmoo, Tuesday, 27 October

Rain. High 50°, low 43°.

Pressure29.97 inHg
Wind4 mph W
Humidity88%
Visibility6.2 mi
Dew point46°
Wed, 2848° / 41°0.35Rain
48 °Rain

Semiahmoo, Wednesday, 28 October

Rain. High 48°, low 41°.

Pressure29.94 inHg
Wind4.6 mph SE
Humidity89%
Visibility6.2 mi
Dew point43°
Thu, 2945° / 41°0.68Rain
45 °Rain

Semiahmoo, Thursday, 29 October

Rain. High 45°, low 41°.

Pressure30.06 inHg
Wind9 mph E
Humidity94%
Visibility—
Dew point40°
Fri, 3049° / 35°0.01Light rain
49 °Light rain

Semiahmoo, Friday, 30 October

Light rain. High 49°, low 35°.

Pressure29.94 inHg
Wind4.9 mph N
Humidity85%
Visibility—
Dew point39°
Sat, 3148° / 36°0Mostly clear
48 °Mostly clear

Semiahmoo, Saturday, 31 October

Mostly clear. High 48°, low 36°.

Pressure30.12 inHg
Wind4 mph E
Humidity74%
Visibility—
Dew point35°
Sun, 0150° / 36°0Overcast
50 °Overcast

Semiahmoo, Sunday, 1 November

Overcast. High 50°, low 36°.

Pressure29.85 inHg
Wind6.2 mph NW
Humidity60%
Visibility—
Dew point30°
Mon, 0249° / 36°0Overcast
49 °Overcast

Semiahmoo, Monday, 2 November

Overcast. High 49°, low 36°.

Pressure30.24 inHg
Wind7.1 mph NE
Humidity71%
Visibility—
Dew point33°
Tue, 0348° / 42°0.13Light rain
48 °Light rain

Semiahmoo, Tuesday, 3 November

Light rain. High 48°, low 42°.

Pressure29.94 inHg
Wind9.2 mph NE
Humidity81%
Visibility—
Dew point39°
Wed, 0453° / 46°0.15Light rain
53 °Light rain

Semiahmoo, Wednesday, 4 November

Light rain. High 53°, low 46°.

Pressure29.88 inHg
Wind12.8 mph NE
Humidity74%
Visibility—
Dew point40°
Thu, 0549° / 47°1.17Rain
49 °Rain

Semiahmoo, Thursday, 5 November

Rain. High 49°, low 47°.

Pressure29.53 inHg
Wind16.6 mph NE
Humidity93%
Visibility—
Dew point45°
Fri, 0656° / 48°0.57Rain
56 °Rain

Semiahmoo, Friday, 6 November

Rain. High 56°, low 48°.

Pressure29.32 inHg
Wind25.1 mph SE
Humidity93%
Visibility—
Dew point49°
Sat, 0753° / 47°0.15Light rain
53 °Light rain

Semiahmoo, Saturday, 7 November

Light rain. High 53°, low 47°.

Pressure29.56 inHg
Wind19.2 mph SE
Humidity72%
Visibility—
Dew point44°
Sun, 0851° / 46°0.29Rain
51 °Rain

Semiahmoo, Sunday, 8 November

Rain. High 51°, low 46°.

Pressure29.71 inHg
Wind21.1 mph S
Humidity85%
Visibility—
Dew point46°
Mon, 0950° / 41°0Overcast
50 °Overcast

Semiahmoo, Monday, 9 November

Overcast. High 50°, low 41°.

Pressure30.33 inHg
Wind6.3 mph E
Humidity78%
Visibility—
Dew point39°

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.