Oregon, Washington Minor Frost Advisory | Effective 10/13/2026 04:39

Headline: 
Frost Advisory issued October 13 at 4:39AM PDT until October 13 at 8:00AM PDT by NWS Portland OR
Event: 
Frost Advisory
Urgency: 
Expected
Effective: 
October 13, 2026 - 4:39am
Expires: 
October 13, 2026 - 8:00am
Description: 
* WHAT...Temperatures as low as 33 to 36 will result in frost formation. * WHERE...Portions of northwest and west central Oregon and southwest Washington. * WHEN...Until 8 AM PDT this morning. * IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered.
Instruction: 
Take steps now to protect tender outdoor plants from the cold. Consider temporarily moving outdoor potted plants indoors if they are sensitive to cold temperatures. Consider temporarily covering sensitive plants with a lightweight cotton fabric (i.e., bedsheets, thin blankets), as this will help retain heat and provide frost protection for your plants.
Area Description: 
Tualatin Valley; East Portland Metro; Outer Southeast Portland Metro; West Central Willamette Valley; East Central Willamette Valley; Benton County Lowlands; Linn County Lowlands; Lane County Lowlands; West Columbia River Gorge of Oregon above 500 ft; Clackamas County Cascade Foothills; Cascade Foothills of Marion and Linn Counties; Lane County Cascade Foothills; North Clark County Lowlands; Inner Vancouver Metro; East Clark County Lowlands; South Washington Cascade Foothills
Forcast Office: 
NWS Portland OR
Sender: 
w-nws.webmaster@noaa.gov