Whatcom County (North Cascades National Park)
August
Weather in Whatcom County, Washington for August 2027
Your guide to Whatcom County weather in August - trends and predictions
In general, the average temperature in Whatcom County at the beginning of August is 25.9 °F. As the month progressed, temperatures tended to noticeably cool down, reaching an average of 23.3 °F by the end of August.
The climate of Whatcom County in August is notably wet, with an average of 11 rainy days, and a total of 113.5 mm of precipitation.
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Temperatures
Rain 🌧️
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20
Dry days
11
Rainy days
0
Snow days
26°/13°
Temperatures
9 km/h
Avg max wind
47 %
Avg humidity
Whatcom County Weather August
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Temperatures trend during August in Whatcom County
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August weather in Whatcom County day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Aug. 1 |  Moderate rain at times | 20° /11° | 1.9 mm | 10 | |
| Aug. 2 | Moderate rain at times | 17° /9° | 2.1 mm | 9 | |
| Aug. 3 |  Sunny | 26° /10° | 0 mm | 9 | |
| Aug. 4 | Sunny | 28° /11° | 0 mm | 9 | |
| Aug. 5 | Sunny | 30° /14° | 0 mm | 9 | |
| Aug. 6 | Sunny | 30° /15° | 0 mm | 9 | |
| Aug. 7 | Sunny | 30° /15° | 0 mm | 9 | |
| Aug. 8 | Sunny | 27° /16° | 0 mm | 9 | |
| Aug. 9 | Sunny | 27° /14° | 0 mm | 9 | |
| Aug. 10 | Sunny | 26° /13° | 0 mm | 9 | |
| Aug. 11 |  Partly cloudy | 26° /13° | 0 mm | 8 | |
| Aug. 12 |  Patchy rain possible | 27° /15° | 0.9 mm | 8 | |
| Aug. 13 | Patchy rain possible | 28° /14° | 0.4 mm | 9 | |
| Aug. 14 | Moderate rain at times | 26° /14° | 1.1 mm | 8 | |
| Aug. 15 | Moderate rain at times | 25° /14° | 0.8 mm | 7 | |
| Aug. 16 | Patchy rain possible | 25° /13° | 0.3 mm | 3 | |
| Aug. 17 |  Overcast | 29° /14° | 0 mm | 8 | |
| Aug. 18 | Overcast | 27° /16° | 0 mm | 8 | |
| Aug. 19 | Sunny | 29° /15° | 0 mm | 8 | |
| Aug. 20 | Sunny | 32° /16° | 0 mm | 7 | |
| Aug. 21 | Overcast | 35° /15° | 0 mm | 5 | |
| Aug. 22 | Moderate rain at times | 27° /14° | 1.7 mm | 2 | |
| Aug. 23 | Patchy rain possible | 19° /13° | 0.9 mm | 6 | |
| Aug. 24 | Sunny | 30° /11° | 0 mm | 7 | |
| Aug. 25 | Partly cloudy | 32° /14° | 0 mm | 7 | |
| Aug. 26 | Sunny | 29° /15° | 0 mm | 7 | |
| Aug. 27 | Patchy rain possible | 22° /13° | 0.6 mm | 7 | |
| Aug. 28 | Patchy rain possible | 22° /11° | 0.2 mm | 5 | |
| Aug. 29 |  Moderate rain | 12° /4° | 102.6 mm | 1 | |
| Aug. 30 | Overcast | 20° /7° | 0 mm | 3 | |
| Aug. 31 | Overcast | 26° /8° | 0 mm | 2 | |
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Important Notice
Our weather forecast for Whatcom County 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 Whatcom County forecast closer to your planned date for the most up-to-date weather information.
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Whatcom County in August - FAQ
What are the expected maximum and minimum temperatures in Whatcom County during August?
Enjoy moderate daytime temperatures of up to 26° and cooler nights around 13°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Whatcom County during August?
Significant rainfall exceeding 113.5 mm is expected in Whatcom County during August, occurring over more than 11 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Whatcom County during August?
The average wind speed in Whatcom County during August is 9 km/h, suggesting breezy to windy conditions, depending on your activities.
August rainfall patterns in Whatcom County
Explore the daily rainfall trends and prepare for Whatcom Countys August weather 💧
Typically, Whatcom County has 11 rainy days in August with a total of 113.5 mm of rainfall.
UV exposure in Whatcom County during August
Stay informed about UV levels for safe outdoor activities throughout the month of August ☀️
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Where is Whatcom County?Get accurate weather forecasts for Whatcom County, located at latitude 48.833 and longitude -121.347. Stay updated with localized weather information tailored for Whatcom County.
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