Last Frost Dates in Oregon (2027) by City

Average last frost dates in Oregon run from February 19 in Newport to June 9 in Klamath Falls.

Average frost dates for 57 places in Oregon
Place	Last frost	First frost
Albany	Apr 17	Oct 28
Ashland	May 6	Oct 8
Baker City	May 25	Sept 15
Beaverton	Apr 1	Nov 6
Bend	June 6	Sept 20
Canby	Mar 18	Nov 13
Central Point	Apr 8	Oct 29
Coos Bay	Feb 21	Dec 9
Cornelius	Apr 16	Oct 26
Corvallis	Apr 17	Oct 28
Cottage Grove	Apr 24	Oct 25
Dallas	Apr 16	Nov 1
Eugene	Apr 11	Oct 23
Fairview	Mar 16	Nov 20
Forest Grove	Apr 16	Oct 26
Gladstone	Mar 18	Nov 18
Grants Pass	Apr 8	Oct 28
Gresham	Mar 16	Nov 20
Happy Valley	Mar 18	Nov 18
Hermiston	Apr 26	Oct 10
Hillsboro	Apr 16	Oct 23
Independence	Apr 16	Nov 1
Keizer	Apr 3	Nov 1
Klamath Falls	June 9	Sept 18
La Grande	May 6	Oct 1
Lake Oswego	Mar 18	Nov 18
Lebanon	Mar 14	Nov 18
Lincoln City	Apr 4	Nov 16
McMinnville	Apr 5	Nov 7
Medford	Apr 8	Oct 29
Milwaukie	Feb 25	Dec 1
Molalla	Mar 16	Nov 19
Monmouth	Apr 16	Nov 1
Newberg	Mar 21	Nov 22
Newport	Feb 19	Dec 16
North Bend	Feb 21	Dec 9
Ontario	Apr 22	Oct 9
Oregon City	Mar 18	Nov 18
Pendleton	Apr 22	Oct 9
Portland	Feb 25	Dec 1
Prineville	June 1	Sept 22
Redmond	June 9	Sept 14
Roseburg	Mar 23	Nov 18
Salem	Apr 3	Nov 1
Sandy	Mar 27	Nov 18
Sherwood	Mar 21	Nov 22
Silverton	Mar 28	Nov 10
Springfield	Apr 11	Oct 23
St. Helens	Apr 18	Nov 7
Sweet Home	Apr 12	Oct 28
The Dalles	Apr 11	Oct 26
Tigard	Apr 1	Nov 6
Troutdale	Mar 26	Nov 17
Tualatin	Apr 1	Nov 6
West Linn	Mar 18	Nov 18
Wilsonville	Mar 18	Nov 13
Woodburn	Mar 16	Nov 14

Source: NOAA U.S. Climate Normals 1991–2020, nearest station to each place. Places of 10,000+ people (US Census Bureau, 2024 estimates) within 50 miles of a station.

Frost dates in Oregon

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