10-day forecast for West Saint Helens, OR: 50° to 90°, with precipitation expected on 1 day. The table below breaks each day into morning, afternoon, evening and overnight.
90°
Best day: Thursday, August 13
78° · 0.04 in
Worst day: Tuesday, August 18
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 1082° / 54°0
Morning59°feels 59°
Afternoon80°feels 80°
Evening74°feels 74°
Overnight57°feels 57°
82 °
West Saint Helens, Monday, 10 August
Clear. High 82°, low 54°.
Pressure30.06 inHg
Wind6.8 mph NW
Humidity42%
Visibility6.2 mi
Dew point50°
Tue, 1183° / 55°0
Morning60°feels 60°
Afternoon82°feels 81°
Evening69°feels 69°
Overnight58°feels 58°
83 °
West Saint Helens, Tuesday, 11 August
Clear. High 83°, low 55°.
Pressure30.06 inHg
Wind6.3 mph NW
Humidity42%
Visibility6.2 mi
Dew point51°
Wed, 1284° / 56°0
Morning62°feels 62°
Afternoon81°feels 81°
Evening70°feels 69°
Overnight58°feels 58°
84 °
West Saint Helens, Wednesday, 12 August
Clear. High 84°, low 56°.
Pressure30.00 inHg
Wind5.4 mph N
Humidity48%
Visibility6.2 mi
Dew point54°
Thu, 1390° / 52°0
Morning60°feels 59°
Afternoon87°feels 85°
Evening71°feels 71°
Overnight53°feels 53°
90 °
West Saint Helens, Thursday, 13 August
Clear. High 90°, low 52°.
Pressure29.85 inHg
Wind4.5 mph N
Humidity40%
Visibility6.2 mi
Dew point54°
Fri, 1486° / 58°0
Morning69°feels 68°
Afternoon82°feels 81°
Evening70°feels 69°
Overnight60°feels 60°
86 °
West Saint Helens, Friday, 14 August
Overcast. High 86°, low 58°.
Pressure29.88 inHg
Wind9.2 mph NW
Humidity38%
Visibility—
Dew point53°
Sat, 1583° / 52°0
Morning65°feels 64°
Afternoon80°feels 79°
Evening66°feels 65°
Overnight55°feels 55°
83 °
West Saint Helens, Saturday, 15 August
Overcast. High 83°, low 52°.
Pressure30.00 inHg
Wind10.2 mph NW
Humidity36%
Visibility—
Dew point50°
Sun, 1680° / 50°0
Morning64°feels 63°
Afternoon78°feels 77°
Evening65°feels 65°
Overnight57°feels 57°
80 °
West Saint Helens, Sunday, 16 August
Overcast. High 80°, low 50°.
Pressure30.06 inHg
Wind8.9 mph NW
Humidity42%
Visibility—
Dew point51°
Mon, 1782° / 53°0
Morning65°feels 65°
Afternoon80°feels 79°
Evening70°feels 69°
Overnight63°feels 62°
82 °
West Saint Helens, Monday, 17 August
Overcast. High 82°, low 53°.
Pressure30.00 inHg
Wind5.4 mph NW
Humidity37%
Visibility—
Dew point50°
Tue, 1878° / 59°0.04
Morning62°feels 62°
Afternoon66°feels 65°
Evening69°feels 69°
Overnight63°feels 63°
78 °
West Saint Helens, Tuesday, 18 August
Light rain. High 78°, low 59°.
Pressure30.06 inHg
Wind4.5 mph NW
Humidity77%
Visibility—
Dew point57°
About this forecast
How reliable is a 10-day forecast?
The first 3–5 days are the most reliable, typically within 2–4°. From day six to ten the models show the trend: the direction of change is right more often than the exact numbers.
What does the time-of-day table show?
Temperature in West Saint Helens, OR around 8am, 2pm, 8pm and 2am each day — handy for planning a walk, a drive or work outdoors.
How is the best day chosen?
We weigh the daytime high against precipitation: a warm, dry day scores highest.