Cascade Locks
Weather by month
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Cascade Locks Weather in August

August is one of the excellent months to visit Cascade Locks, with daytime temperatures of 26°C (79°F) and lows of 13°C (55°F) at night. Some rainfall is typical for this time of year.

Rainfall in Cascade Locks in August

Rain is expected on roughly 5 days, totalling around 19 mm (0.7 in) for the month. The occasional light shower is possible, but rain is rarely an issue this month.

Temperature in Cascade Locks in August

August is a excellent month in Cascade Locks, with 26°C (79°F) during the day and 13°C (55°F) at night. August is a notable month of the summer season. The days can feel warmer than the evenings, so packing for both parts of the day is a good idea. Nights cool down to 13°C (55°F), so a light jacket or extra layer is useful once the sun goes down. On the plus side, the cooler nights make for comfortable sleeping conditions. On average, it is the warmest month of the year.

Sunshine in Cascade Locks in August

The month enjoys around 298 hours of sunshine, creating mostly sunny days with good weather conditions.

If you favor pleasant temperatures and minimal rainfall, August is one of the best months to visit Cascade Locks.

Cascade Locks Temperature in August

Min Temperature
13°C (55°F)
Max Temperature
26°C (79°F)
Chance of Rain
17%
Precipitation
19 mm (0.7 in)
Rainy days
5 days
Humidity
65% *
Sunshine
298 hours *
Percentage Sunshine
*
* Data from: Portland, the United States of America (55 KM, 34 Miles).

Cascade Locks Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Cascade Locks - and find the best time to visit.

Best Places in the United States of America in August

Find out more about the weather in the United States of America and which places have the best travel conditions in this month. See all of the United States of America in August →

perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

What to Wear in Cascade Locks in August

Warm weather calls for comfortable, breathable clothing in August. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). Almost no rain is expected, so no need to bring rain gear. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.

What To Do in Cascade Locks in August

We rated the following activities from 1 (least suitable) to 10 (best) to do.

  • Swimming
    10/10
  • Cycling
    8/10
  • Walking
    8/10
  • Barbeque
    10/10
  • Camping
    10/10
  • Outdoor sports
    8/10

Cascade Locks 3-Day Forecast

Popular in August

Where to go in August - average daytime high across popular destinations.

Bucket list

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