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Home > Climate > NWS Portland > Climate Prediction > Local Temperature Outlook

Three-Month Temperature Outlook (Issued: September 2014)

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PORTLAND INTL AP, OR
MULTNOMAH County, Coop ID: 356751
Elevation: 19 ft.
Latitude: 45° 35' N Longitude: 122° 36' W
NOAA Online Weather Data Help

Probability of Exceedance Curve  
Probability of Exceedance Curve
43.4°F at 99% 43.9°F at 98% 44.2°F at 97% 44.4°F at 96% 44.6°F at 95% 45.2°F at 90% 45.9°F at 80% 46.5°F at 70% 46.9°F at 60% 47.3°F at 50% 47.8°F at 40% 48.2°F at 30% 48.8°F at 20% 49.5°F at 10% 50.1°F at 5% 50.3°F at 4% 50.5°F at 3% 50.8°F at 2% 51.2°F at 1% 44.1°F at 99% 44.6°F at 98% 44.9°F at 97% 45.1°F at 96% 45.3°F at 95% 45.9°F at 90% 46.7°F at 80% 47.2°F at 70% 47.7°F at 60% 48.1°F at 50% 48.5°F at 40% 49°F at 30% 49.5°F at 20% 50.3°F at 10% 50.9°F at 5% 51.1°F at 4% 51.3°F at 3% 51.6°F at 2% 52.1°F at 1% 43.4°F at 99% 43.9°F at 98% 44.2°F at 97% 44.4°F at 96% 44.6°F at 95% 45.2°F at 90% 45.9°F at 80% 46.5°F at 70% 46.9°F at 60% 47.3°F at 50% 47.8°F at 40% 48.2°F at 30% 48.8°F at 20% 49.5°F at 10% 50.1°F at 5% 50.3°F at 4% 50.5°F at 3% 50.8°F at 2% 51.2°F at 1% 44.1°F at 99% 44.6°F at 98% 44.9°F at 97% 45.1°F at 96% 45.3°F at 95% 45.9°F at 90% 46.7°F at 80% 47.2°F at 70% 47.7°F at 60% 48.1°F at 50% 48.5°F at 40% 49°F at 30% 49.5°F at 20% 50.3°F at 10% 50.9°F at 5% 51.1°F at 4% 51.3°F at 3% 51.6°F at 2% 52.1°F at 1%
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Customized Confidence Interval Worksheet

If you want to be
%
Confident
You may then expect the average temperature during this 3-month period to be between
43.7 and 52.5 °F

Note: If only one POE curve is shown, the forecast is equal to 1981-2010 observed.

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PoE Table
PoE Table
Three Category Calendar
Three Category Calendar
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Temperature Range

Portland Weather Forecast Office
5241 NE 122nd Avenue
Portland, OR 97230-1089
Tel: (503) 261-9246
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Page last modified: 8-Jul-2011 7:23 PM
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