Portland, OR 97280 Weather Alerts

Multnomah County10:11 AM PDT45.52°N, 122.68°W

Frost Advisory

Minor · Expected

From 11:00 PM Fri until 10:00 AM Sat·Issued 8:45 AM Fri Oct 23·NWS Portland OR

Frost Advisory issued October 23 at 8:45AM PDT until October 24 at 10:00AM PDT by NWS Portland OR

Details

What: Temperatures as low as 36 will result in frost formation.

Where: Portions of northwest and west central Oregon and southwest Washington.

When: From 11 PM this evening to 10 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, or 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.

Forecasts, observations and alerts in the United States come from the National Weather Service (NOAA); radar from NOAA's Multi-Radar Multi-Sensor system; satellite imagery from NASA's Global Imagery Browse Services (GIBS) and NOAA's GOES satellites; the map from the U.S. Geological Survey's National Map; air quality from AirNow (EPA and its partners); hurricane information from the National Hurricane Center; climate normals and records from NOAA's Regional Climate Centers (ACIS). Forecasts outside the United States and the UV index: MET Norway (CC BY 4.0); observations outside the U.S.: airport reports via NOAA's Aviation Weather Center. Place names: GeoNames (CC BY 4.0). Data are copied on a schedule and may lag the sources; for warnings that affect your safety, follow your local National Weather Service office and emergency officials. Weather news is drawn from the 4Search index and reflects what the press published. Terms of use.