The weather in the Gorge is ideal almost year round. But the summer really shines! From May until October it almost never rains, and it's sunny and warm every day. Typical summer days are in the 80's with nights in the high 60's. Located on the east slope of the Cascade Mountain range in northwest Oregon, the Gorge was formed millennia ago as the giant glaciers melted at the end of the ice age. The flood that followed carried huge chunks of ice that hacked their way through the mountains on their way to the ocean. Today the steep walls of the Gorge drop down to the mighty Columbia River, the second largest river in the U.S. Cooler weather at the Oregon coast pushes its way inland during the summer months until it bumps up against the Cascade Range, and then funnels down the Gorge creating a venturi effect and those fabled Gorge Winds.
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Summer temperatures are typically in the 80's in June and July with no humidity and the winds generally keep the bugs to a minimum. Ideal summer weather, in other words. August can tend to be a bit warmer with days often reaching into the 90's... and the river has warmed up by then, reaching a high temperature in the low 70's Fahrenheit until late September when it starts to cool down again. The Gorge can also get a few days here and there when the temps hit 100 degrees or so, but that's relatively rare. But even 100 degrees can be pretty pleasant when lounging in the cool clear waters of the Columbia.
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