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Weather in Coos Bay, Oregon for August 2026

Your guide to Coos Bay weather in August - trends and predictions

    Temperatures

  • In general, the average temperature in Coos Bay at the beginning of August is 17.9 °F. As the month progressed, temperatures tended to moderately rise, reaching an average of 18.9 °F by the end of August.

  • Rain 🌧️

  • With an average of 5 rainy days, Coos Bay experiences minimal rainfall in August.

  • More

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Average dry days
26
Dry days
Average rainy days
5
Rainy days
Average snowy days
0
Snow days
Average temperatures
19°/12°
Temperatures
Average wind speed
17 km/h
Avg max wind
Average humidity
83 %
Avg humidity

Coos Bay Weather August

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Temperatures trend during August in Coos Bay

See the weather trend as well as the moving average line

August weather in Coos Bay day by day

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Date Weather Temperatures Rain UV More
Aug. 1 Overcast
Overcast
20° /12° 0 mm 5
Aug. 2 Overcast
Overcast
18° /13° 0 mm 5
Aug. 3 Overcast
Overcast
17° /12° 0 mm 4
Aug. 4 Overcast
Overcast
17° /11° 0 mm 4
Aug. 5 Overcast
Overcast
17° /12° 0 mm 4
Aug. 6 Cloudy
Cloudy
18° /13° 3.4 mm 4
Aug. 7 Overcast
Overcast
18° /11° 0 mm 5
Aug. 8 Overcast
Overcast
19° /12° 0 mm 5
Aug. 9 Overcast
Overcast
19° /13° 0 mm 4
Aug. 10 Overcast
Overcast
21° /14° 0 mm 5
Aug. 11 Overcast
Overcast
18° /13° 0 mm 4
Aug. 12 Patchy rain possible
Patchy rain possible
19° /12° 0.1 mm 4
Aug. 13 Overcast
Overcast
18° /11° 0 mm 5
Aug. 14 Sunny
Sunny
19° /12° 0.1 mm 5
Aug. 15 Cloudy
Cloudy
18° /14° 1.4 mm 4
Aug. 16 Partly cloudy
Partly cloudy
18° /13° 8.5 mm 5
Aug. 17 Moderate or heavy rain shower
Moderate or heavy rain shower
17° /12° 15.1 mm 4
Aug. 18 Moderate rain at times
Moderate rain at times
18° /12° 1.1 mm 4
Aug. 19 Overcast
Overcast
18° /11° 0 mm 4
Aug. 20 Partly cloudy
Partly cloudy
20° /11° 0.2 mm 6
Aug. 21 Patchy rain possible
Patchy rain possible
20° /12° 0.2 mm 5
Aug. 22 Heavy rain at times
Heavy rain at times
17° /12° 2.2 mm 4
Aug. 23 Moderate or heavy rain shower
Moderate or heavy rain shower
18° /12° 9.9 mm 4
Aug. 24 Patchy rain possible
Patchy rain possible
17° /11° 0.9 mm 4
Aug. 25 Sunny
Sunny
19° /12° 0 mm 5
Aug. 26 Sunny
Sunny
19° /13° 0 mm 5
Aug. 27 Patchy rain possible
Patchy rain possible
18° /12° 0.1 mm 4
Aug. 28 Sunny
Sunny
19° /11° 0 mm 5
Aug. 29 Sunny
Sunny
21° /12° 0 mm 5
Aug. 30 Sunny
Sunny
19° /12° 0 mm 5
Aug. 31 Sunny
Sunny
17° /12° 0 mm 5
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Important Notice
Our weather forecast for Coos Bay in August is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Coos Bay forecast closer to your planned date for the most up-to-date weather information.

Coos Bay in August - FAQ

What are the expected maximum and minimum temperatures in Coos Bay during August?
Enjoy moderate daytime temperatures of up to 19° and cooler nights around 12°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Coos Bay during August?
Moderate rainfall is anticipated in Coos Bay during August, with a total of 59.3 mm spread over approximately 5 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Coos Bay during August?
The average wind speed in Coos Bay during August is 17 km/h, suggesting breezy to windy conditions, depending on your activities.

August rainfall patterns in Coos Bay

Explore the daily rainfall trends and prepare for Coos Bays August weather 💧

UV exposure in Coos Bay during August

Stay informed about UV levels for safe outdoor activities throughout the month of August ☀️

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Location coordinates Where is Coos Bay?

Get accurate weather forecasts for Coos Bay, located at latitude 43.367 and longitude -124.218. Stay updated with localized weather information tailored for Coos Bay.

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