Last frost dates in Oregon

Typical last frost
April 1

That is the date for the typical Oregon resident, weighted by city population. Across the state the average last frost runs from February 11 to June 9, so look up your own town below.

Earliest city
Feb 11
Latest city
Jun 9
Typical first frost
Nov 6
Cities
34
This week in Oregon

Frost in the forecast for 5 of 34 cities

National Weather Service forecast, updated Oct 22, 11:10 UTC

Mar 1Apr 1May 1Jun 1Feb 15Mar 15Apr 15May 15Jun 15NSPortland: Feb 25PortlandSalem: Apr 3SalemEugene: Apr 11EugeneGresham: Mar 16GreshamHillsboro: Apr 16HillsboroBend: Jun 6BendBeaverton: Apr 1BeavertonMedford: Apr 8Corvallis: Apr 17Springfield: Apr 11Tigard: Apr 1Albany: Apr 17Aloha: Feb 11Lake Oswego: Mar 18Grants Pass: Apr 8Keizer: Apr 3Redmond: Jun 9Oregon City: Mar 18McMinnville: Apr 5Woodburn: Mar 16Bethany: Feb 11Happy Valley: Mar 18Tualatin: Apr 1Wilsonville: Mar 18Forest Grove: Apr 16Newberg: Mar 21West Linn: Mar 18Roseburg: Mar 23Hayesville: Apr 3Milwaukie: Feb 25Klamath Falls: Jun 9Ashland: May 6Sherwood: Mar 21Lebanon: Mar 14
Each dot is a city: further right means a later last frost, higher up means further north. Bigger dots are bigger cities.

Frost dates by city

CityLast frostSafe afterFirst frostSeason
PortlandFeb 25Mar 21Dec 1280 days
SalemApr 3Apr 27Nov 1212 days
EugeneApr 11May 9Oct 23196 days
GreshamMar 16Apr 12Nov 20250 days
HillsboroApr 16May 3Oct 23191 days
BendJun 6Jun 22Sep 20105 days
BeavertonApr 1Apr 26Nov 6222 days
MedfordApr 8Apr 30Oct 29204 days
CorvallisApr 17May 8Oct 28194 days
SpringfieldApr 11May 9Oct 23196 days
TigardApr 1Apr 26Nov 6222 days
AlbanyApr 17May 8Oct 28194 days
AlohaFeb 11Mar 5Dec 5303 days
Lake OswegoMar 18Apr 11Nov 18244 days
Grants PassApr 8May 1Oct 28201 days
KeizerApr 3Apr 27Nov 1212 days
RedmondJun 9Jun 26Sep 1498 days
Oregon CityMar 18Apr 11Nov 18244 days
McMinnvilleApr 5Apr 27Nov 7216 days
WoodburnMar 16Apr 7Nov 14242 days
BethanyFeb 11Mar 5Dec 5303 days
Happy ValleyMar 18Apr 11Nov 18244 days
TualatinApr 1Apr 26Nov 6222 days
WilsonvilleMar 18Apr 10Nov 13243 days
Forest GroveApr 16May 5Oct 26192 days
NewbergMar 21Apr 19Nov 22241 days
West LinnMar 18Apr 11Nov 18244 days
RoseburgMar 23Apr 16Nov 18237 days
HayesvilleApr 3Apr 27Nov 1212 days
MilwaukieFeb 25Mar 21Dec 1280 days
Klamath FallsJun 9Jun 26Sep 1899 days
AshlandMay 6May 27Oct 8154 days
SherwoodMar 21Apr 19Nov 22241 days
LebanonMar 14Apr 14Nov 18248 days

When to plant in Oregon

Questions

When is the last frost in Oregon?

It depends on where you are. Across the 34 cities we track, the average last frost runs from February 11 to June 9. In Portland, the largest, it is February 25.

When is the first frost in Oregon?

For a typical resident, around November 6. Higher and more northern towns get it earlier.