Hottest Cities in Oregon.

Cities in Oregon with the highest average summer temperatures, from 30-year averages at the nearest weather station.

68 cities ranked · See the national list

#	City	Population	Avg Summer High	Hot Days/yr (90°F+)
1	Hermiston	19,546	89°F	50
2	Ontario	11,842	89°F	62
3	Medford	86,315	88°F	61
4	Central Point	19,216	88°F	61
5	White City	10,750	88°F	61
6	Grants Pass	39,311	87°F	55
7	Pendleton	16,950	86°F	45
8	Ashland	21,259	85°F	38
9	The Dalles	15,917	85°F	42
10	Redmond	36,092	84°F	32
11	Baker City	10,210	84°F	27
12	Roseburg	23,778	83°F	31
13	La Grande	13,058	83°F	31
14	Prineville	11,470	83°F	31
15	Klamath Falls	22,115	82°F	18
16	Altamont	19,927	82°F	18
17	Eugene	179,591	81°F	18
18	Salem	178,865	81°F	18
19	Springfield	61,499	81°F	18
20	Lake Oswego	40,381	81°F	20
21	Keizer	39,082	81°F	18
22	Oregon City	37,755	81°F	20
23	West Linn	26,935	81°F	20
24	Happy Valley	26,738	81°F	20
25	Hayesville	21,246	81°F	18
26	Oak Grove	16,796	81°F	20
27	Four Corners	16,275	81°F	18
28	Oatfield	13,294	81°F	20
29	Gladstone	11,977	81°F	20
30	Damascus	11,437	81°F	20
31	Santa Clara	10,551	81°F	18
32	Bend	103,390	80°F	16
33	Corvallis	59,960	80°F	18
34	Albany	56,839	80°F	18
35	McMinnville	34,596	80°F	19
36	Woodburn	27,875	80°F	18
37	Dallas	17,531	80°F	17
38	Monmouth	11,428	80°F	17
39	Independence	10,199	80°F	17
40	Gresham	112,378	79°F	16
41	Hillsboro	108,231	79°F	17
42	Beaverton	97,812	79°F	15
43	Tigard	56,011	79°F	15
44	Aloha	52,389	79°F	15
45	Bethany	33,106	79°F	15
46	Tualatin	27,763	79°F	15
47	Wilsonville	26,974	79°F	16
48	Forest Grove	26,529	79°F	23
49	Cedar Mill	19,471	79°F	15
50	Canby	18,134	79°F	16
51	St. Helens	14,258	79°F	20
52	Cornelius	14,255	79°F	23
53	Oak Hills	11,131	79°F	15
54	Fairview	10,735	79°F	16
55	Cottage Grove	10,698	79°F	16
56	Portland	641,165	78°F	11
57	Newberg	26,066	78°F	15
58	Milwaukie	21,392	78°F	11
59	Sherwood	20,307	78°F	15
60	Lebanon	19,344	78°F	30
61	Troutdale	15,923	78°F	18
62	Molalla	10,186	78°F	17
63	Silverton	10,456	77°F	9
64	Sandy	12,854	74°F	10
65	Astoria	10,109	67°F	1
66	Coos Bay	15,925	66°F	0
67	North Bend	10,171	66°F	0
68	Newport	10,583	63°F	0