10-day forecast for Chehalis, WA: 49° to 88°, with precipitation expected on 0 days. The table below breaks each day into morning, afternoon, evening and overnight.
88°
Best day: Monday, August 17
75°
Worst day: Thursday, August 13
Tap any day below to see morning, afternoon, evening and overnight.
Sun, 0978° / 52°0
Morning54°feels 53°
Afternoon77°feels 77°
Evening69°feels 69°
Overnight55°feels 54°
78 °
Chehalis, Sunday, 9 August
Mostly clear. High 78°, low 52°.
Pressure30.06 inHg
Wind4.6 mph NW
Humidity44%
Visibility6.2 mi
Dew point49°
Mon, 1081° / 49°0
Morning55°feels 55°
Afternoon79°feels 79°
Evening66°feels 65°
Overnight54°feels 54°
81 °
Chehalis, Monday, 10 August
Clear. High 81°, low 49°.
Pressure30.09 inHg
Wind5.2 mph NW
Humidity46%
Visibility6.2 mi
Dew point51°
Tue, 1181° / 51°0
Morning57°feels 57°
Afternoon79°feels 79°
Evening67°feels 67°
Overnight52°feels 51°
81 °
Chehalis, Tuesday, 11 August
Clear. High 81°, low 51°.
Pressure30.09 inHg
Wind5.3 mph NW
Humidity49%
Visibility6.2 mi
Dew point54°
Wed, 1277° / 53°0
Morning61°feels 61°
Afternoon77°feels 76°
Evening62°feels 61°
Overnight62°feels 62°
77 °
Chehalis, Wednesday, 12 August
Overcast. High 77°, low 53°.
Pressure30.06 inHg
Wind3.8 mph W
Humidity56%
Visibility6.2 mi
Dew point54°
Thu, 1375° / 54°0
Morning62°feels 61°
Afternoon70°feels 69°
Evening65°feels 64°
Overnight55°feels 55°
75 °
Chehalis, Thursday, 13 August
Overcast. High 75°, low 54°.
Pressure30.00 inHg
Wind8.1 mph W
Humidity54%
Visibility—
Dew point51°
Fri, 1484° / 51°0
Morning63°feels 63°
Afternoon79°feels 78°
Evening68°feels 68°
Overnight57°feels 56°
84 °
Chehalis, Friday, 14 August
Partly cloudy. High 84°, low 51°.
Pressure29.94 inHg
Wind7 mph NW
Humidity36%
Visibility—
Dew point48°
Sat, 1583° / 54°0
Morning65°feels 64°
Afternoon77°feels 76°
Evening65°feels 65°
Overnight57°feels 57°
83 °
Chehalis, Saturday, 15 August
Overcast. High 83°, low 54°.
Pressure30.00 inHg
Wind7 mph W
Humidity45%
Visibility—
Dew point53°
Sun, 1683° / 52°0
Morning65°feels 64°
Afternoon80°feels 79°
Evening66°feels 65°
Overnight56°feels 55°
83 °
Chehalis, Sunday, 16 August
Overcast. High 83°, low 52°.
Pressure30.03 inHg
Wind8.5 mph NW
Humidity31%
Visibility—
Dew point46°
Mon, 1788° / 52°0
Morning66°feels 64°
Afternoon83°feels 81°
Evening69°feels 68°
Overnight58°feels 58°
88 °
Chehalis, Monday, 17 August
Clear. High 88°, low 52°.
Pressure30.00 inHg
Wind5.7 mph NW
Humidity26%
Visibility—
Dew point44°
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 Chehalis, WA 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.