Frost dates by city
Typical last spring and first fall frost dates for Oregon and Washington, from NOAA's 1991–2020 climate normals. Pick a city for its full planting calendar.
Oregon
- Astoria last frost Mar 26, first frost Nov 11
- Baker City last frost May 25, first frost Sep 15
- Bend and Redmond last frost Jun 9, first frost Sep 14
- Burns last frost Jun 11, first frost Sep 6
- Coos Bay and North Bend last frost Feb 21, first frost Dec 9
- Eugene last frost Apr 11, first frost Oct 23
- Gresham last frost Mar 16, first frost Nov 20
- Klamath Falls last frost Jun 9, first frost Sep 18
- Medford last frost Apr 8, first frost Oct 29
- Pendleton last frost Apr 26, first frost Oct 16
- Portland last frost Mar 13, first frost Nov 19
- Roseburg last frost Mar 19, first frost Nov 20
- Salem last frost Apr 3, first frost Nov 1
- The Dalles last frost Apr 11, first frost Oct 26
- Wilsonville and Canby last frost Mar 16, first frost Nov 14
Washington
- Aberdeen and Hoquiam last frost Mar 30, first frost Nov 14
- Bellingham last frost Mar 31, first frost Oct 30
- Ellensburg last frost Apr 28, first frost Oct 7
- Everett last frost Mar 9, first frost Nov 17
- Forks last frost Apr 20, first frost Oct 26
- Moses Lake last frost Apr 27, first frost Oct 8
- Olympia last frost Apr 29, first frost Oct 14
- Omak and Okanogan last frost Apr 30, first frost Oct 7
- Seattle and Tacoma last frost Mar 2, first frost Nov 23
- Spokane last frost Apr 26, first frost Oct 12
- Tri-Cities (Pasco, Kennewick, Richland) last frost Apr 27, first frost Oct 11
- Vancouver last frost Mar 29, first frost Nov 9
- Walla Walla last frost Mar 27, first frost Oct 31
- Wenatchee last frost Apr 8, first frost Oct 24
- Yakima last frost May 8, first frost Oct 4
"Typical" means the median: in half of years the last spring frost comes later. Each city page also shows the date when frost is over in 9 years out of 10.