JOINT BASE LEWIS MCCHORD, WA 98433 Weather Forecast & Current Conditions

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FORT LEWIS, WA
Current Weather

10:55 AM PDT AUG 20, 2025
Overcast
68°F
Feels Like: 68°F
Dewpoint: 54°F
Rel. Hum.: 61%
Visibility: 10 miles
Wind: NW at 3 mph
Pressure: 30.25 inches
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JOINT BASE LEWIS MCCHORD, WA 98433
Weather Forecast

Snowfall Forecast pages
Snow Depth pages
TODAY
Cloudy. A slight chance of rain in the morning, then a chance of rain late in the morning. Rain likely in the afternoon. Rainfall amounts less than a tenth of an inch likely. Highs in the upper 40s to mid 50s. Light wind becoming south around 10 mph in the afternoon.
TONIGHT
Breezy. Rain likely in the evening, then rain at times in the late evening and early morning. A chance of rain in the morning. Rainfall amounts a tenth to a quarter of an inch possible. Lows in the upper 30s to mid 40s. South wind 15 to 25 mph.
THURSDAY
Rain at times. Rainfall amounts a tenth to a quarter of an inch possible. Highs near 50. South wind 10 to 15 mph.
THURSDAY NIGHT
Rain. Rainfall amounts a quarter to a half inch possible. Lows in the lower to mid 40s. South wind 10 to 20 mph with gusts to 30 mph.
FRIDAY
Rain. Rainfall amounts a quarter to a half inch possible. Highs near 50. South wind 10 to 20 mph becoming southwest in the afternoon.
FRIDAY NIGHT
Showers in the evening, then showers likely after midnight. Lows near 40.
SATURDAY
Mostly cloudy with a chance of rain showers in the morning, then rain likely in the afternoon. Highs in the lower to mid 50s.
SATURDAY NIGHT
Rain likely in the evening, then rain at times after midnight. Lows in the lower to mid 40s.
SUNDAY
Rain at times. Highs in the mid 50s.
SUNDAY NIGHT
Rain at times in the evening, then rain likely after midnight. Lows near 50.
MONDAY
Mostly cloudy with a chance of rain. Highs in the lower to mid 60s.
MONDAY NIGHT
Mostly cloudy. A chance of rain in the evening, then a slight chance of rain after midnight. Lows in the mid to upper 40s.
TUESDAY
Partly sunny. Highs in the mid to upper 60s.

Visible Weather Satellite
JOINT BASE LEWIS MCCHORD, WA 98433
Infrared Weather Satellite
JOINT BASE LEWIS MCCHORD, WA 98433
NEXRAD Weather Radar
JOINT BASE LEWIS MCCHORD, WA 98433

FORT LEWIS, WA 3 hourly weather forecast

weather forecast created  8:00 AM EDT  8/20/2025
Wednesday
20 AUG 2025
JOINT BASE LEWIS MCCHORD, WA 98433 weather forecast Day 1, 12 hours 11 AM 66° 66° Mostly Cloudy 0%

0% Thunder
( 1% severe)
NNW   2 68% 55°
High 77° JOINT BASE LEWIS MCCHORD, WA 98433 weather forecast Day 1, 15 hours 2 PM 72° 72° Clear NNW   6 49% 52°
Decreasing Clouds



JOINT BASE LEWIS MCCHORD, WA 98433 weather forecast Day 1, 18 hours 5 PM 76° 78° Clear 0%

0% Thunder
( 0% severe)
NNW   7 39% 49°
JOINT BASE LEWIS MCCHORD, WA 98433 weather forecast Day 1, 21 hours 8 PM 70° 70° Clear NNE   6 44% 47°
Thursday
21 AUG 2025
JOINT BASE LEWIS MCCHORD, WA 98433 weather forecast Day 2, 0 hours 11 PM 61° 61° Clear 0%

0% Thunder
( 0% severe)
NNE   6 60% 47°
Low 49° JOINT BASE LEWIS MCCHORD, WA 98433 weather forecast Day 2, 3 hours 2 AM 55° 54° Clear NNE   5 72% 46°
High 80° JOINT BASE LEWIS MCCHORD, WA 98433 weather forecast Day 2, 6 hours 5 AM 51° 50° Clear 0%

0% Thunder
( 0% severe)
ENE   3 80% 45°

Clear



JOINT BASE LEWIS MCCHORD, WA 98433 weather forecast Day 2, 9 hours 8 AM 57° 57° Clear NE   5 75% 49°
JOINT BASE LEWIS MCCHORD, WA 98433 weather forecast Day 2, 12 hours 11 AM 69° 69° Clear 0%

0% Thunder
( 0% severe)
NNE   9 51% 50°
JOINT BASE LEWIS MCCHORD, WA 98433 weather forecast Day 2, 15 hours 2 PM 76° 78° Clear NNE   10 37% 48°
JOINT BASE LEWIS MCCHORD, WA 98433 weather forecast Day 2, 18 hours 5 PM 79° 79° Clear 0%

0% Thunder
( 0% severe)
NNE   10 32% 47°
JOINT BASE LEWIS MCCHORD, WA 98433 weather forecast Day 2, 21 hours 8 PM 73° 73° Clear NNE   8 40% 47°
Friday
22 AUG 2025
JOINT BASE LEWIS MCCHORD, WA 98433 weather forecast Day 3, 0 hours 11 PM 64° 64° Clear 0%

0% Thunder
( 0% severe)
NNE   7 58% 49°
Low 53° JOINT BASE LEWIS MCCHORD, WA 98433 weather forecast Day 3, 3 hours 2 AM 58° 58° Clear NE   5 69% 48°
High 89° JOINT BASE LEWIS MCCHORD, WA 98433 weather forecast Day 3, 6 hours 5 AM 54° 53° Clear 0%

0% Thunder
( 0% severe)
NE   5 77% 47°

Clear



JOINT BASE LEWIS MCCHORD, WA 98433 weather forecast Day 3, 9 hours 8 AM 61° 61° Clear NE   5 70% 51°
JOINT BASE LEWIS MCCHORD, WA 98433 weather forecast Day 3, 15 hours 11 AM 75° 75° Clear 0%

0% Thunder
( 0% severe)
NNE   8 46% 53°
JOINT BASE LEWIS MCCHORD, WA 98433 weather forecast Day 3, 18 hours 2 PM 84° 82° Clear NNE   10 33% 52°
JOINT BASE LEWIS MCCHORD, WA 98433 weather forecast Day 3, 21 hours 5 PM 87° 85° Clear     NNE   10 29% 51°

FORT LEWIS, WA extended weather forecast

Saturday
23 AUG 2025
Sunday
24 AUG 2025
Monday
25 AUG 2025
Tuesday
26 AUG 2025
Wednesday
27 AUG 2025
Low 51° Low 53° Low 54° Low 54° Low 56°
High 89° High 87° High 83° High 81° High 77°
JOINT BASE LEWIS MCCHORD, WA 98433 weather forecast Day 4 JOINT BASE LEWIS MCCHORD, WA 98433 weather forecast Day 5 JOINT BASE LEWIS MCCHORD, WA 98433 weather forecast Day 6 JOINT BASE LEWIS MCCHORD, WA 98433 weather forecast Day 7 <!--SEARCHED_TOWN_NAME--> weather forecast Day 8
Clear
3% Rain
Clear
6% Rain
Partly Cloudy
10% Rain
Partly Cloudy
1% Rain
Partly Cloudy
8% Rain
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