Average October Temperatures for Oregon

Average temperatures for October 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 October temperatures
High °F	Low °F	Place	High °C	Low °C
61	45	Astoria	16	7
63	49	Brookings	17	10
64	49	Gold Beach	18	9
60	46	Honeyman State Park	16	8
60	45	Newport	15	7
63	47	North Bend	17	8
63	48	Port Orford	17	9
62	46	Seaside	16	8
63	43	Tillamook	17	6

Willamette Valley

Average daily temperatures in October
High °F	Low °F	Place	High °C	Low °C
65	42	Corvallis	18	6
65	42	Eugene	18	5
65	45	Lebanon	18	7
64	46	Portland	18	8
65	44	Salem	18	7

Cascade Mountains

October temperatures: daily averages
High °F	Low °F	Place	High °C	Low °C
51	30	Crater Lake Park	10	-1
61	47	Detroit Lake Dam	16	8
53	37	Government Camp	12	3
70	41	Grants Pass	21	5
58	33	Howard Prairie Lake Dam	14	1
64	31	Klamath Falls	18	-1
63	33	Lakeview	17	0
59	39	McKenzie Bridge	15	4
70	42	Medford	21	6
69	44	Roseburg	21	7
59	42	Three Lynx	15	6
60	39	Toketee Falls	16	4
62	31	Wickiup Reservoir Dam	17	0

Central Oregon

Average October temperatures
High °F	Low °F	Place	High °C	Low °C
63	34	Bend	17	1
63	39	Hood River	17	4
63	30	Madras	17	-1
67	40	The Dalles	20	4

Eastern Oregon

Average October temperatures
High °F	Low °F	Place	High °C	Low °C
61	31	Hart Mountain Antelope Refuge	16	0
64	40	Heppner	18	4
62	36	La Grande	17	2
68	36	Lake Owyhee Dam	20	2
62	31	Malheur National Wildlife Refuge	17	0
65	36	Ontario	18	2
67	38	Pendleton	19	3
60	21	Seneca	15	-6
66	32	Summer Lake	19	0

Average Temperatures for Oregon in October

Oregon Coast

Willamette Valley

Cascade Mountains

Central Oregon

Eastern Oregon

Reference

More Oregon Weather Information