By Rod Hill on 2012-08-19
August 19th kicks-off the slow march towards the rainy season, which is considered to begin November 1st. According to the climate record, the following is the progression of Portland's daily rain chance.
Driest Part Of The Year: July 11th - August 18th / Daily Rain Chance 10%
August 19th - Sept. 13th: Daily Rain Chance 20%
Sept. 14th - Oct. 5th: Daily Rain Chance 30%
Oct. 6th - Oct. 19th: Daily Rain Chance 35%
Oct. 20th - Nov. 3rd: Daily Rain Chance 50%
Nov. 4th - Nov. 30th: Daily Rain Chance 60 - 70%
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The above are "eye-ball" averages and not exact.
Forecast outlooks continue to show mostly dry weather through August. Below normal rainfall is expected through October. Temperatures the next two months are expected to be near normal to cooler than average. It still looks like we could have a spectacular fall season!
Rod Hill
Peak Meteor Viewing Tonight