easeweather.com
Units
°C
°F
Ketchikan Gateway Borough
Forecast Today Tomorrow
more
Alaska United States

Weather in Ketchikan Gateway Borough for August 2025

Your guide to Ketchikan Gateway Borough weather in August - trends and predictions
  • In general, the average temperature in Ketchikan Gateway Borough at the beginning of August is 20.1 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 13.4 °F by the end of August.

  • The climate of Ketchikan Gateway Borough in August is notably wet, with an average of 12 rainy days.

  • New! Chat with our AI weatherman - it’s amazing and free.
Average dry days
19
Dry days
Average rainy days
12
Rainy days
Average snowy days
0
Snow days
Average temperatures
17°/11°
Temperatures
Average wind speed
11 km/h
Avg max wind
Average humidity
78 %
Avg humidity

Ketchikan Gateway Borough in August average weather

Move between months or click on a day
Select a date

You can click on date

Access Ketchikan Gateway Borough weather forecasts with a simple click. Select any date for comprehensive insights on temperature, rainfall, and wind conditions.
Got it

Temperatures trend during August in Ketchikan Gateway Borough

See the weather trend as well as the moving average line

August weather day by day

Click on a date for more information
Date Weather Temperatures Rain UV More
Aug. 1 Sunny
Sunny
17° /10° 0 mm 5
Aug. 2 Sunny
Sunny
19° /10° 0 mm 5
Aug. 3 Overcast
Overcast
19° /10° 0 mm 4
Aug. 4 Sunny
Sunny
21° /11° 0 mm 6
Aug. 5 Sunny
Sunny
21° /14° 0 mm 6
Aug. 6 Sunny
Sunny
22° /14° 0 mm 6
Aug. 7 Sunny
Sunny
22° /13° 0 mm 6
Aug. 8 Sunny
Sunny
21° /13° 0 mm 6
Aug. 9 Partly cloudy
Partly cloudy
20° /13° 0 mm 6
Aug. 10 Light drizzle
Light drizzle
16° /14° 2.1 mm 4
Aug. 11 Overcast
Overcast
18° /12° 0 mm 4
Aug. 12 Patchy rain possible
Patchy rain possible
16° /13° 0.2 mm 4
Aug. 13 Patchy rain possible
Patchy rain possible
17° /11° 0.3 mm 4
Aug. 14 Sunny
Sunny
17° /9° 0 mm 5
Aug. 15 Sunny
Sunny
18° /10° 0 mm 5
Aug. 16 Sunny
Sunny
19° /11° 0 mm 5
Aug. 17 Partly cloudy
Partly cloudy
19° /11° 0 mm 5
Aug. 18 Sunny
Sunny
22° /13° 0 mm 6
Aug. 19 Light rain shower
Light rain shower
15° /13° 6.6 mm 4
Aug. 20 Light rain shower
Light rain shower
13° /10° 4.4 mm 3
Aug. 21 Sunny
Sunny
17° /9° 0.1 mm 5
Aug. 22 Cloudy
Cloudy
17° /11° 1 mm 4
Aug. 23 Light drizzle
Light drizzle
13° /11° 2.9 mm 3
Aug. 24 Patchy rain possible
Patchy rain possible
16° /12° 1.6 mm 4
Aug. 25 Moderate rain
Moderate rain
12° /11° 89.6 mm 3
Aug. 26 Patchy light drizzle
Patchy light drizzle
14° /9° 7.9 mm 3
Aug. 27 Partly cloudy
Partly cloudy
15° /8° 0 mm 5
Aug. 28 Moderate rain
Moderate rain
12° /11° 9.5 mm 3
Aug. 29 Patchy rain possible
Patchy rain possible
14° /10° 2 mm 3
Aug. 30 Light rain shower
Light rain shower
12° /10° 21.9 mm 3
Aug. 31 Light rain
Light rain
15° /13° 22.3 mm 4
Next
Important Notice
Our weather forecast for Ketchikan Gateway Borough 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 Ketchikan Gateway Borough forecast closer to your planned date for the most up-to-date weather information.

Ketchikan Gateway Borough in August - FAQ

What are the expected maximum and minimum temperatures in Ketchikan Gateway Borough during August?
Enjoy moderate daytime temperatures of up to 17° and cooler nights around 11°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Ketchikan Gateway Borough during August?
Significant rainfall exceeding 172.4 mm is expected in Ketchikan Gateway Borough during August, occurring over more than 12 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Ketchikan Gateway Borough during August?
The average wind speed in Ketchikan Gateway Borough during August is 11 km/h, suggesting breezy to windy conditions, depending on your activities.
Top locations in Ketchikan Gateway Borough
Select a location for an accurate weather forecast
More Locations

Quick links

Location coordinates Where is Ketchikan Gateway Borough?

Get accurate weather forecasts for Ketchikan Gateway Borough, located at latitude 55.342 and longitude -131.648. Stay updated with localized weather information tailored for Ketchikan Gateway Borough.

Found a mistake?
We appreciate your attention to details. Tell us here.