Frost Advisory

Locations Affected

Portland, OR ∙ Vancouver, WA ∙ Gresham, OR ∙ Vancouver Lake, WA ∙ Netarts, OR ∙ Rivergrove, OR ∙ Sandy, OR ∙ Newport, OR ∙ Nehalem, OR ∙ Sunnyside, OR

Full Alert Message

URGENT - WEATHER MESSAGE National Weather Service Portland OR 655 PM PDT Wed Oct 21 2026 ...FROST ADVISORY IN EFFECT FROM 11 PM FRIDAY TO 9 AM PDT SATURDAY... * WHAT...Temperatures as low as 34 to 36 degrees will result in frost formation. * WHERE...Portions of northwest and west central Oregon and southwest Washington. * WHEN...From 11 PM Friday to 9 AM PDT Saturday. * IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... 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.

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