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As of 06:15 PDT

Weather in Semiahmoo, WA

56°Current weather

Semiahmoo, Sunday, 9 August, 06:15

Partly cloudy. Feels like 56°. High 72°, low 56°.

Pressure30.06 inHg
Wind6 mph SE
Humidity91%
Visibility6.2 mi
Dew point53°

Two-week outlook for Semiahmoo, WA: week one averages a high of 72.1° and week two 70.7°, so week two runs 1.4° cooler than week one. Around 0.0 inches of precipitation are expected over the 14 days, across 0 wet days. The nearest weekend, August 9: 72°, dry.

Week one vs week two

WeekHighLowPrecipitationVs normal
1st (August 9 – August 15)72.1°55.8°0.0 in / 0 d—
2nd (August 16 – August 22)70.7°56.9°0.0 in / 0 d—

Weekend weather

Sun, August 9
Overcast
72°56°
no precip.
Sat, August 15
Overcast
71°57°
no precip.
Sun, August 16
Overcast
71°57°
no precip.
Sat, August 22
Clear
73°58°
no precip.
Mon, 1073° / 53°0Partly cloudy
73 °Partly cloudy

Semiahmoo, Monday, 10 August

Partly cloudy. High 73°, low 53°.

Pressure30.09 inHg
Wind8.4 mph S
Humidity68%
Visibility6.2 mi
Dew point54°
Tue, 1169° / 54°0Clear
69 °Clear

Semiahmoo, Tuesday, 11 August

Clear. High 69°, low 54°.

Pressure30.12 inHg
Wind7 mph S
Humidity65%
Visibility6.2 mi
Dew point53°
Wed, 1270° / 56°0Clear
70 °Clear

Semiahmoo, Wednesday, 12 August

Clear. High 70°, low 56°.

Pressure30.03 inHg
Wind6.3 mph SW
Humidity68%
Visibility6.2 mi
Dew point54°
Thu, 1375° / 57°0Clear
75 °Clear

Semiahmoo, Thursday, 13 August

Clear. High 75°, low 57°.

Pressure29.88 inHg
Wind7.8 mph W
Humidity61%
Visibility—
Dew point57°
Fri, 1474° / 58°0Partly cloudy
74 °Partly cloudy

Semiahmoo, Friday, 14 August

Partly cloudy. High 74°, low 58°.

Pressure29.88 inHg
Wind6 mph SW
Humidity55%
Visibility—
Dew point53°
Sat, 1571° / 57°0Overcast
71 °Overcast

Semiahmoo, Saturday, 15 August

Overcast. High 71°, low 57°.

Pressure30.00 inHg
Wind8.4 mph SE
Humidity61%
Visibility—
Dew point55°
Sun, 1671° / 57°0Overcast
71 °Overcast

Semiahmoo, Sunday, 16 August

Overcast. High 71°, low 57°.

Pressure30.06 inHg
Wind7.6 mph S
Humidity59%
Visibility—
Dew point55°
Mon, 1767° / 57°0Partly cloudy
67 °Partly cloudy

Semiahmoo, Monday, 17 August

Partly cloudy. High 67°, low 57°.

Pressure30.15 inHg
Wind12.8 mph SE
Humidity61%
Visibility—
Dew point52°
Tue, 1871° / 55°0Overcast
71 °Overcast

Semiahmoo, Tuesday, 18 August

Overcast. High 71°, low 55°.

Pressure30.15 inHg
Wind5.4 mph SW
Humidity62%
Visibility—
Dew point54°
Wed, 1971° / 57°0Mostly clear
71 °Mostly clear

Semiahmoo, Wednesday, 19 August

Mostly clear. High 71°, low 57°.

Pressure30.09 inHg
Wind5.8 mph SW
Humidity65%
Visibility—
Dew point56°
Thu, 2070° / 58°0Mostly clear
70 °Mostly clear

Semiahmoo, Thursday, 20 August

Mostly clear. High 70°, low 58°.

Pressure30.09 inHg
Wind5.9 mph SW
Humidity64%
Visibility—
Dew point56°
Fri, 2171° / 57°0Clear
71 °Clear

Semiahmoo, Friday, 21 August

Clear. High 71°, low 57°.

Pressure30.03 inHg
Wind5.5 mph SW
Humidity64%
Visibility—
Dew point56°
Sat, 2273° / 58°0Clear
73 °Clear

Semiahmoo, Saturday, 22 August

Clear. High 73°, low 58°.

Pressure30.06 inHg
Wind5.8 mph SW
Humidity61%
Visibility—
Dew point56°

About this forecast

Can I plan a trip on a 2-week forecast?

Week one is solid for planning — accuracy is high. Week two shows the trend: go by the averages and the comparison with normal, and check the details closer to the date.

What does the "Vs normal" column mean?

It is the gap between the forecast and the climate normal for those same dates in Semiahmoo, WA, computed over 60 years. A positive value means the week runs warmer than usual.

Why are weekends shown separately?

Saturday and Sunday plans are what people check most, so we give them their own cards with temperature and precipitation.