10-day forecast for Chehalis, WA: 37° to 67°, with precipitation expected on 3 days. The table below breaks each day into morning, afternoon, evening and overnight.
67°
Best day: Sunday, October 18
53° · 0.99 in
Worst day: Saturday, October 24
Tap any day below to see morning, afternoon, evening and overnight.
Sun, 1867° / 37°0
Morning37°feels 34°
Afternoon66°feels 65°
Evening49°feels 46°
Overnight42°feels 39°
67 °
Chehalis, Sunday, 18 October
Overcast. High 67°, low 37°.
Pressure30.12 inHg
Wind7.7 mph N
Humidity66%
Visibility6.2 mi
Dew point45°
Mon, 1961° / 44°0
Morning45°feels 45°
Afternoon60°feels 58°
Evening50°feels 50°
Overnight46°feels 45°
61 °
Chehalis, Monday, 19 October
Overcast. High 61°, low 44°.
Pressure29.97 inHg
Wind0.6 mph S
Humidity66%
Visibility6.2 mi
Dew point45°
Tue, 2061° / 45°0
Morning45°feels 41°
Afternoon61°feels 59°
Evening52°feels 50°
Overnight46°feels 43°
61 °
Chehalis, Tuesday, 20 October
Partly cloudy. High 61°, low 45°.
Pressure30.06 inHg
Wind8.4 mph N
Humidity71%
Visibility6.2 mi
Dew point47°
Wed, 2166° / 41°0
Morning46°feels 46°
Afternoon56°feels 55°
Evening63°feels 61°
Overnight45°feels 45°
66 °
Chehalis, Wednesday, 21 October
Clear. High 66°, low 41°.
Pressure29.97 inHg
Wind4.5 mph W
Humidity74%
Visibility—
Dew point44°
Thu, 2260° / 43°0
Morning48°feels 46°
Afternoon56°feels 55°
Evening55°feels 53°
Overnight45°feels 42°
60 °
Chehalis, Thursday, 22 October
Overcast. High 60°, low 43°.
Pressure30.00 inHg
Wind9.1 mph W
Humidity73%
Visibility—
Dew point46°
Fri, 2359° / 41°0
Morning45°feels 43°
Afternoon53°feels 51°
Evening56°feels 54°
Overnight48°feels 47°
59 °
Chehalis, Friday, 23 October
Overcast. High 59°, low 41°.
Pressure30.06 inHg
Wind5 mph SW
Humidity63%
Visibility—
Dew point39°
Sat, 2453° / 44°0.99
Morning48°feels 48°
Afternoon52°feels 51°
Evening49°feels 48°
Overnight44°feels 43°
53 °
Chehalis, Saturday, 24 October
Rain. High 53°, low 44°.
Pressure29.71 inHg
Wind17.7 mph S
Humidity95%
Visibility—
Dew point50°
Sun, 2549° / 42°0.11
Morning43°feels 40°
Afternoon47°feels 44°
Evening49°feels 46°
Overnight47°feels 44°
49 °
Chehalis, Sunday, 25 October
Light rain. High 49°, low 42°.
Pressure29.94 inHg
Wind7.2 mph S
Humidity95%
Visibility—
Dew point45°
Mon, 2657° / 48°0.67
Morning51°feels 47°
Afternoon54°feels 53°
Evening52°feels 51°
Overnight49°feels 46°
57 °
Chehalis, Monday, 26 October
Rain. High 57°, low 48°.
Pressure29.83 inHg
Wind10.6 mph S
Humidity89%
Visibility—
Dew point50°
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.