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Centennial, OR

82°F
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Centennial, OR Weather
Today WinterCast Local {stormName} Tracker Hourly 10-Day Radar MinuteCast® Monthly Air Quality Health & Activities

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Today Hourly 10-Day Radar MinuteCast®

Monthly

Air Quality Health & Activities

August

January February March April May June July August September October November December

2026

2025 2026 2027

10-Day

S
M
T
W
T
F
S
26
Sunny and remaining very warm
86°
61°
27
Mostly sunny
84°
59°
28
Mostly sunny
86°
56°
29
Mostly sunny and very warm
87°
56°
30
Mostly sunny
86°
53°
31
Mostly sunny
84°
55°
1
Mostly sunny
82°
54°
2
Partial sunshine
80°
59°
3
Mostly sunny
82°
60°
4
Very warm with plenty of sun
87°
61°
5
Very warm with plenty of sun
88°
62°
6
Very warm with plenty of sun
88°
60°
7
Sunny and very warm
86°
52°
8
Sunny and remaining very warm
86°
52°
9
Plenty of sunshine
85°
53°
10
Plenty of sunshine
85°
50°
11
Plenty of sunshine
77°
51°
12
Mostly sunny
77°
54°
13
Sunshine and a few clouds
81°
54°
14
Plenty of sun
85°
55°
15
Sunny
85°
53°
16
Plenty of sun
86°
53°
17
Partly sunny
85°
51°
18
Partly sunny
83°
53°
19
Sunny to partly cloudy
81°
51°
20
Partly sunny
82°
53°
21
Mostly sunny
78°
51°
22
Mostly cloudy
77°
49°
23
Partial sunshine
76°
48°
24
Abundant sunshine
75°
50°
25
Mostly sunny
76°
53°
26
A shower and thunderstorm
73°
50°
27
Couple of thunderstorms
74°
53°
28
Times of clouds and sun
74°
49°
29
Times of clouds and sun
75°
49°
30
Mostly sunny
76°
51°
31
Sunshine and a few clouds
76°
57°
1
Mostly sunny
78°
59°
2
Mostly sunny
81°
60°
3
Mostly sunny
84°
53°
4
Decreasing clouds
84°
57°
5
Mostly sunny
81°
50°

Temperature Graph

°F
90° 80° 70° 60° 50° Aug
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo

August Weather in Centennial

Centennial's August 2026 forecast shows daily high temperatures ranging from 73° to 88°, with overnight lows between 48° and 62°. The average high for August is 81° with an average low of 54°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how August weather will actually feel in Centennial. See also: September | October | November.

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Weather Near Centennial:

  • Portland, OR
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  • Vancouver, WA
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