Average Temperatures for Oregon in March





Average temperatures for March 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 1991 to 2020 by the US National Centers for Environmental Information.

Oregon Coast

Average March temperatures
High °F Low °F Place High °C Low °C
53 39 Astoria 12 4
55 43 Brookings 13 6
57 43 Gold Beach 14 6
53 39 Honeyman State Park 12 4
53 39 Newport 12 4
55 42 North Bend 13 6
55 42 Port Orford 13 6
54 40 Seaside 12 4
55 37 Tillamook 13 3

Willamette Valley

Average daily temperatures in March
High °F Low °F Place High °C Low °C
56 37 Corvallis 13 3
57 37 Eugene 14 3
58 39 Lebanon 14 4
56 40 Portland 14 4
57 38 Salem 14 4

Cascade Mountains

March temperatures: daily averages
High °F Low °F Place High °C Low °C
36 20 Crater Lake Park 2 -7
52 38 Detroit Lake Dam 11 3
41 28 Government Camp 5 -2
60 37 Grants Pass 15 3
45 26 Howard Prairie Lake Dam 7 -3
52 27 Klamath Falls 11 -3
49 28 Lakeview 10 -2
53 33 McKenzie Bridge 12 1
59 37 Medford 15 3
60 38 Roseburg 16 4
51 35 Three Lynx 11 2
53 34 Toketee Falls 12 1
48 26 Wickiup Reservoir Dam 9 -4

Central Oregon

Average March temperatures
High °F Low °F Place High °C Low °C
52 28 Bend 11 -2
53 35 Hood River 12 1
53 26 Madras 12 -3
57 34 The Dalles 14 1

Eastern Oregon

Average March temperatures
High °F Low °F Place High °C Low °C
48 25 Hart Mountain Antelope Refuge 9 -4
55 34 Heppner 13 1
52 31 La Grande 11 -1
57 30 Lake Owyhee Dam 14 -1
52 27 Malheur National Wildlife Refuge 11 -3
56 32 Ontario 13 0
58 33 Pendleton 14 1
46 20 Seneca 8 -7
54 27 Summer Lake 12 -3
Reference

NOAA National Centers for Environmental Information (NCEI). Climate Normals.

Oregon Temperatures
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