10-day forecast for Fort Lewis, WA: 50° to 88°, with precipitation expected on 1 day. The table below breaks each day into morning, afternoon, evening and overnight.
88°
Best day: Friday, August 14
64° · 0.13 in
Worst day: Tuesday, August 18
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 1079° / 52°0
Morning56°feels 55°
Afternoon76°feels 76°
Evening73°feels 73°
Overnight56°feels 56°
79 °
Fort Lewis, Monday, 10 August
Partly cloudy. High 79°, low 52°.
Pressure30.09 inHg
Wind4.2 mph SW
Humidity46%
Visibility6.2 mi
Dew point52°
Tue, 1184° / 50°0
Morning57°feels 56°
Afternoon82°feels 81°
Evening72°feels 71°
Overnight58°feels 57°
84 °
Fort Lewis, Tuesday, 11 August
Clear. High 84°, low 50°.
Pressure30.09 inHg
Wind3.2 mph W
Humidity40%
Visibility6.2 mi
Dew point51°
Wed, 1278° / 56°0
Morning60°feels 60°
Afternoon75°feels 75°
Evening71°feels 71°
Overnight56°feels 56°
78 °
Fort Lewis, Wednesday, 12 August
Overcast. High 78°, low 56°.
Pressure30.03 inHg
Wind4 mph W
Humidity69%
Visibility6.2 mi
Dew point57°
Thu, 1387° / 53°0
Morning59°feels 59°
Afternoon83°feels 81°
Evening72°feels 71°
Overnight55°feels 54°
87 °
Fort Lewis, Thursday, 13 August
Clear. High 87°, low 53°.
Pressure29.88 inHg
Wind5.1 mph N
Humidity40%
Visibility6.2 mi
Dew point53°
Fri, 1488° / 54°0
Morning69°feels 68°
Afternoon85°feels 83°
Evening69°feels 69°
Overnight60°feels 59°
88 °
Fort Lewis, Friday, 14 August
Clear. High 88°, low 54°.
Pressure29.88 inHg
Wind10.7 mph W
Humidity27%
Visibility—
Dew point47°
Sat, 1581° / 53°0
Morning64°feels 63°
Afternoon78°feels 78°
Evening67°feels 65°
Overnight57°feels 56°
81 °
Fort Lewis, Saturday, 15 August
Overcast. High 81°, low 53°.
Pressure29.97 inHg
Wind10.2 mph W
Humidity36%
Visibility—
Dew point48°
Sun, 1674° / 51°0
Morning62°feels 62°
Afternoon72°feels 71°
Evening65°feels 64°
Overnight57°feels 56°
74 °
Fort Lewis, Sunday, 16 August
Overcast. High 74°, low 51°.
Pressure30.09 inHg
Wind8.3 mph W
Humidity49%
Visibility—
Dew point51°
Mon, 1780° / 53°0.01
Morning64°feels 64°
Afternoon78°feels 78°
Evening69°feels 68°
Overnight60°feels 60°
80 °
Fort Lewis, Monday, 17 August
Light rain. High 80°, low 53°.
Pressure30.00 inHg
Wind7.1 mph W
Humidity34%
Visibility—
Dew point46°
Tue, 1864° / 59°0.13
Morning60°feels 61°
Afternoon62°feels 62°
Evening63°feels 63°
Overnight62°feels 62°
64 °
Fort Lewis, Tuesday, 18 August
Light rain. High 64°, low 59°.
Pressure30.03 inHg
Wind2.3 mph N
Humidity95%
Visibility—
Dew point60°
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 Fort Lewis, 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.