Headline:
Frost Advisory issued October 17 at 5:21PM PDT until October 18 at 9:00AM PDT by NWS Portland OR
Event:
Frost Advisory
Urgency:
Expected
Effective:
October 17, 2026 - 5:21pm
Expires:
October 18, 2026 - 5:30am
Description:
* WHAT...Temperatures as low as 34F to 36F under mostly clear skies
will result in frost formation.
* WHERE...In Oregon, North Oregon Coast Range Lowlands and Central
Oregon Coast Range Lowlands Counties. In Washington, North Clark
County Lowlands and South Washington Cascade Foothills Counties.
* WHEN...From 3 AM to 9 AM PDT Sunday.
* 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:
North Oregon Coast Range Lowlands; Central Oregon Coast Range Lowlands; North Clark County Lowlands; South Washington Cascade Foothills
Forcast Office:
NWS Portland OR
Sender:
w-nws.webmaster@noaa.gov