August weather forecast
Oregon, USA

August in Oregon is a vibrant montage of sunlit days and mellow evenings, sustaining the warmth of the summer while hinting at the imminent approach of autumn. The Cascade Mountains, known for their scenic vistas, enjoy temperatures that oscillate around 62°F (16.7°C). The coastal regions, with their temperate maritime influence, display temperatures ranging from 60°F (15.6°C) to 70°F (21.1°C).

Portland, Oregon's largest city, stands out in August. Nestled along the Willamette River, the city experiences a blend of warm days and slightly cooler nights. Its urban parks and riverside areas come alive with outdoor events and festivals, taking full advantage of the month's predominantly sunny disposition.

August ensures that snow remains an absent element across the state, even in the elevated realms of the Cascade, Blue, and Wallowa mountains. The state’s verdant landscapes and tranquil water bodies beckon enthusiasts for activities like camping, fishing, and trekking, encapsulating the essence of Oregon's summer allure.

When drawn parallel with July, August sustains the warmth, yet there’s an observable decrease in daylight as the month progresses. Precipitation remains scanty, but the occasional rain shower or storm can make an appearance, especially in the latter half of the month. As August reaches its twilight, Oregon begins its gradual transition into September, a month where the first whispers of autumn become palpable, and the foliage starts its transformation into a riot of colors.

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• Portland - August »
  August is the month when Portland experiences its warmest temperatures, averaging a high of 81.5°F (27.5°C) and a low of 55°F (12.8°C). The least humid month in Portland is August, with an average relative humidity of 63%.
• Salem - August »
  On the first day of August in Salem sunrise is at 5:58 am and sunset at 8:38 pm. With an average relative humidity of 65%, August is the least humid month in Salem.
• Eugene - August »
  August is the month that records the highest temperatures in Eugene with averages ranging from a high of 81.3°F (27.4°C) to a low of 49.6°F (9.8°C). With an average relative humidity of 68%, August is the least humid month in Eugene, Oregon.
• Gresham - August »
  The least humid month in Gresham is August, with an average relative humidity of 64%. Gresham's temperature records reveal August as the warmest month, marked by average highs of 80.4°F (26.9°C) and lows of 53.4°F (11.9°C).
• Hillsboro - August »
  August is the least humid month in Hillsboro, with an average relative humidity of 64%. August, on average, is the warmest month in Hillsboro, registering a high temperature of 81.5°F (27.5°C) and a low of 55.4°F (13°C).
• Beaverton - August »
  The month with the most sunshine in Beaverton is August, with an average of 10.9h of sunshine. August, recording an average high temperature of 81.7°F (27.6°C) and a low temperature of 55.6°F (13.1°C), is Beaverton's warmest month.
• Bend - August »
  On the first day of August in Bend sunrise is at 5:54 am and sunset at 8:28 pm. August in Bend carries forward the trend from July, with warm temperatures continuing to grip the city.
• Medford - August »
  August is the least humid month in Medford with an average relative humidity of 59%. August, with its high-temperature average of 85.1°F (29.5°C) and a low-temperature average of 49.5°F (9.7°C), is the warmest month in Medford.
• Springfield - August »
  The warmest month in Springfield is August, with an average high-temperature of 81.3°F (27.4°C) and an average low-temperature of 49.6°F (9.8°C). August is the least humid month in Springfield, with an average relative humidity of 68%.
• Corvallis - August »
  The least humid month in Corvallis is August, with an average relative humidity of 69%. With an average relative humidity of 69%, August is the least humid month in Corvallis, Oregon.
• Albany - August »
  August tends to be the warmest month in Albany, with temperatures averaging a daily high of 81.9°F (27.7°C) and a low of 52.9°F (11.6°C). August stands out as Albany's warmest month, with temperatures ranging between an average high of 81.9°F (27.7°C) and a low of 52.9°F (11.6°C).
• Tigard - August »
  August, the last month of the summer in Tigard, is another warm month, with an average temperature fluctuating between 82°F (27.8°C) and 55°F (12.8°C). August is the least humid month in Tigard, with an average relative humidity of 63%.