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As of 13:03 PDT

Weather in Semiahmoo, WA

49°Current weather

Semiahmoo, Tuesday, 27 October, 13:03

Overcast. Feels like 49°. High 50°, low 47°.

Pressure29.94 inHg
Wind2 mph W
Humidity89%
Visibility3.7 mi
Dew point46°
Wed, 2849° / 42°0.38Rain
49 °Rain

Semiahmoo, Wednesday, 28 October

Rain. High 49°, low 42°.

Pressure29.94 inHg
Wind4.2 mph SE
Humidity89%
Visibility6.2 mi
Dew point43°
Thu, 2947° / 40°0.31Rain
47 °Rain

Semiahmoo, Thursday, 29 October

Rain. High 47°, low 40°.

Pressure30.03 inHg
Wind5.5 mph E
Humidity83%
Visibility6.2 mi
Dew point40°
Fri, 3044° / 39°0.1Rain
44 °Rain

Semiahmoo, Friday, 30 October

Rain. High 44°, low 39°.

Pressure29.97 inHg
Wind4.5 mph NE
Humidity95%
Visibility3.4 mi
Dew point41°
Sat, 3152° / 36°0.03Light rain
52 °Light rain

Semiahmoo, Saturday, 31 October

Light rain. High 52°, low 36°.

Pressure30.00 inHg
Wind2.1 mph N
Humidity80%
Visibility6.2 mi
Dew point40°
Sun, 0150° / 38°0Overcast
50 °Overcast

Semiahmoo, Sunday, 1 November

Overcast. High 50°, low 38°.

Pressure30.24 inHg
Wind4.4 mph E
Humidity97%
Visibility—
Dew point43°
Mon, 0252° / 37°0Overcast
52 °Overcast

Semiahmoo, Monday, 2 November

Overcast. High 52°, low 37°.

Pressure30.30 inHg
Wind5.7 mph NW
Humidity65%
Visibility—
Dew point34°
Tue, 0355° / 43°0Overcast
55 °Overcast

Semiahmoo, Tuesday, 3 November

Overcast. High 55°, low 43°.

Pressure30.06 inHg
Wind4.5 mph NW
Humidity59%
Visibility—
Dew point34°
Wed, 0458° / 45°0.14Rain
58 °Rain

Semiahmoo, Wednesday, 4 November

Rain. High 58°, low 45°.

Pressure29.85 inHg
Wind5.7 mph NE
Humidity57%
Visibility—
Dew point36°
Thu, 0556° / 47°0.29Rain
56 °Rain

Semiahmoo, Thursday, 5 November

Rain. High 56°, low 47°.

Pressure29.85 inHg
Wind15.6 mph NE
Humidity79%
Visibility—
Dew point46°
Fri, 0653° / 50°1.3Heavy rain
53 °Heavy rain

Semiahmoo, Friday, 6 November

Heavy rain. High 53°, low 50°.

Pressure29.50 inHg
Wind15.6 mph E
Humidity95%
Visibility—
Dew point50°
Sat, 0754° / 50°0.72Rain
54 °Rain

Semiahmoo, Saturday, 7 November

Rain. High 54°, low 50°.

Pressure29.50 inHg
Wind20 mph S
Humidity85%
Visibility—
Dew point49°
Sun, 0854° / 49°0.09Light rain
54 °Light rain

Semiahmoo, Sunday, 8 November

Light rain. High 54°, low 49°.

Pressure30.06 inHg
Wind16.2 mph SE
Humidity83%
Visibility—
Dew point48°
Mon, 0956° / 47°0Overcast
56 °Overcast

Semiahmoo, Monday, 9 November

Overcast. High 56°, low 47°.

Pressure30.15 inHg
Wind6.8 mph E
Humidity77%
Visibility—
Dew point44°
Tue, 1052° / 50°0.44Rain
52 °Rain

Semiahmoo, Tuesday, 10 November

Rain. High 52°, low 50°.

Pressure30.03 inHg
Wind5.4 mph NE
Humidity76%
Visibility—
Dew point44°
Wed, 1154° / 46°0.02Light rain
54 °Light rain

Semiahmoo, Wednesday, 11 November

Light rain. High 54°, low 46°.

Pressure30.18 inHg
Wind5.5 mph W
Humidity88%
Visibility—
Dew point48°

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.