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Riverdale, OR

67°F
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Riverdale, 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
85°
59°
27
Plenty of sun
85°
60°
28
Mostly sunny
84°
61°
29
Mostly sunny and very warm
86°
61°
30
Increasing cloudiness
83°
58°
31
Sunny spells
77°
56°
1
Mostly sunny
77°
54°
2
Plenty of sunshine
79°
58°
3
Mostly sunny
82°
60°
4
Plenty of sunshine
82°
58°
5
Plenty of sunshine
85°
60°
6
Sunny
84°
61°
7
Mostly sunny
83°
61°
8
Mostly sunny
86°
54°
9
A little morning rain
78°
54°
10
Mostly sunny and warmer
84°
56°
11
Plenty of sunshine
85°
59°
12
A thunderstorm in the area
84°
56°
13
Couple of thunderstorms
79°
56°
14
A t-storm around in the p.m.
80°
54°
15
A thunderstorm in spots
80°
55°
16
Plenty of sun
81°
52°
17
Sun and some clouds
78°
53°
18
Sunshine and some clouds
79°
56°
19
Mostly sunny
80°
51°
20
Sunny to partly cloudy
77°
52°
21
Sunny to partly cloudy
77°
57°
22
Partly sunny
78°
60°
23
A p.m. shower in places
77°
59°
24
A shower and thunderstorm
76°
53°
25
Cloudy
75°
53°
26
Intervals of bright sunshine
77°
57°
27
Plenty of sun
80°
59°
28
Sunshine and a few clouds
85°
56°
29
Partly sunny
82°
57°
30
Plenty of sunshine
83°
55°
31
Mostly sunny
84°
58°
1
Mostly sunny
83°
59°
2
Mostly cloudy
84°
59°
3
Partly sunny
83°
54°
4
Mostly sunny
82°
55°
5
Mostly sunny
81°
59°

Temperature Graph

°F
90° 82° 74° 66° 58° 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 Riverdale

Riverdale's August 2026 forecast shows daily high temperatures ranging from 75° to 86°, with overnight lows between 51° and 61°. The average high for August is 81° with an average low of 57°. 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 Riverdale. See also: September | October | November.

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World North America United States Oregon Riverdale

Weather Near Riverdale:

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  • Vancouver, WA
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