Average Temperatures for Oregon in August





Average temperatures for August at cities, towns, parks and lakes throughout Oregon are listed below in degrees Fahrenheit and Celsius.

You can jump to a separate table for each region of the state: Oregon Coast, Willamette Valley, Cascade Mountains, Central Oregon and Eastern Oregon.

The tables give the normals for maximum and minimum temperatures based on weather data collected from 1981 to 2010 by the US National Climatic Data Center.

Oregon Coast

Average August temperatures
High °F Low °F Place High °C Low °C
69 53 Astoria 20 12
68 53 Brookings 20 12
69 52 Gold Beach 20 11
67 51 Honeyman State Park 19 11
65 52 Newport 19 11
65 53 North Bend 19 12
68 53 Port Orford 20 12
65 53 Seaside 19 11
69 50 Tillamook 21 10

Willamette Valley

Average daily temperatures in August
High °F Low °F Place High °C Low °C
83 51 Corvallis 28 11
83 51 Eugene 28 11
81 57 Portland 27 14
82 53 Salem 28 12

Cascade Mountains

August temperatures: daily averages
High °F Low °F Place High °C Low °C
70 41 Crater Lake Park 21 5
81 53 Detroit Lake Dam 27 12
69 47 Government Camp 21 8
80 46 Howard Prairie Lake Dam 27 8
89 51 Klamath Falls 32 11
84 48 Lakeview 29 9
86 50 McKenzie Bridge 30 10
91 57 Medford 33 14
79 51 Three Lynx 26 10
84 50 Toketee Falls 29 10
82 44 Wickiup Reservoir Dam 28 7

Central Oregon

Average August temperatures
High °F Low °F Place High °C Low °C
81 46 Bend 27 8
82 54 Hood River 28 12
85 45 Madras 29 7
89 57 The Dalles 31 14

Eastern Oregon

Average August temperatures
High °F Low °F Place High °C Low °C
82 43 Hart Mountain Antelope Refuge 28 6
86 53 Heppner 30 12
86 52 La Grande 30 11
92 52 Lake Owyhee Dam 33 11
82 48 Malheur Wildlife Refuge 28 9
92 55 Ontario 33 13
87 57 Pendleton 30 14
81 36 Seneca 27 2
88 50 Summer Lake 31 10
87 53 Whitehorse Ranch 30 11
Reference

National Climatic Data Center. NOAA's 1981-2010 Climate Normals.

Oregon Temperatures
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