Portland, OR 97207 Weather Alerts

Multnomah County9:59 AM PDT45.52°N, 122.68°W

Frost Advisory

Minor · Expected

From 11:00 PM Fri until 9:00 AM Sat·Issued 6:55 PM Wed Oct 21·NWS Portland OR

Frost Advisory issued October 21 at 6:55PM PDT until October 24 at 9:00AM PDT by NWS Portland OR

Details

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.

What to do

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.

Areas: Clatsop County Coast; Tillamook County Coast; Central Coast of Oregon; Lower Columbia River; Inner Portland Metro; East Portland Metro; Outer Southeast Portland Metro; West Columbia River Gorge of Oregon above 500 ft; Clackamas County Cascade Foothills; Inner Vancouver Metro; East Clark County Lowlands

From the National Weather Service. In an emergency follow the instructions of local officials.

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