Average April Temperatures for Oregon

Average temperatures for April 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 April temperatures
High °F	Low °F	Place	High °C	Low °C
56	42	Astoria	13	5
58	45	Brookings	14	7
59	44	Gold Beach	15	7
57	42	Honeyman State Park	14	5
54	41	Newport	12	5
57	44	North Bend	14	7
57	44	Port Orford	14	7
56	42	Seaside	13	5
57	39	Tillamook	14	4

Willamette Valley

Average daily temperatures in April
High °F	Low °F	Place	High °C	Low °C
61	40	Corvallis	16	4
61	40	Eugene	16	4
62	42	Lebanon	17	5
62	43	Portland	17	6
62	41	Salem	16	5

Cascade Mountains

April temperatures: daily averages
High °F	Low °F	Place	High °C	Low °C
40	23	Crater Lake Park	5	-5
57	41	Detroit Lake Dam	14	5
45	31	Government Camp	7	-1
65	40	Grants Pass	19	4
51	30	Howard Prairie Lake Dam	10	-1
58	29	Klamath Falls	14	-2
55	31	Lakeview	13	0
61	37	McKenzie Bridge	16	3
65	41	Medford	18	5
65	42	Roseburg	18	5
57	39	Three Lynx	14	4
60	37	Toketee Falls	16	3
54	30	Wickiup Reservoir Dam	12	-1

Central Oregon

Average April temperatures
High °F	Low °F	Place	High °C	Low °C
58	31	Bend	14	-1
60	39	Hood River	16	4
60	29	Madras	15	-2
65	39	The Dalles	18	4

Eastern Oregon

Average April temperatures
High °F	Low °F	Place	High °C	Low °C
53	28	Hart Mountain Antelope Refuge	12	-2
61	38	Heppner	16	3
59	35	La Grande	15	2
65	35	Lake Owyhee Dam	18	1
58	31	Malheur National Wildlife Refuge	15	-1
63	38	Ontario	17	3
65	39	Pendleton	18	4
53	25	Seneca	11	-4
60	31	Summer Lake	16	-1

Average Temperatures for Oregon in April

Oregon Coast

Willamette Valley

Cascade Mountains

Central Oregon

Eastern Oregon

Reference

More Oregon Weather Information