Anchorage
August
Weather in Anchorage for August 2025
Your guide to Anchorage weather in August - trends and predictions
In general, the average temperature in Anchorage at the beginning of August is 17.7 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 13.6 °F by the end of August.
Expect significant rainfall in Anchorage during August, with an average of 19 rainy days.
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12
Dry days
19
Rainy days
0
Snow days
16°/11°
Temperatures
9 km/h
Avg max wind
84 %
Avg humidity
Anchorage in August average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  19° | 2  18° | 3 17° | ||||
| 4  17° | 5 19° | 6  17° | 7  17° | 8  15° | 9 14° | 10 14° |
| 11 13° | 12 14° | 13 14° | 14 16° | 15 14° | 16 14° | 17  16° |
| 18 17° | 19 14° | 20 15° | 21 13° | 22 15° | 23 15° | 24 13° |
| 25  14° | 26 14° | 27 15° | 28  12° | 29 14° | 30 13° | 31 13° |
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Temperatures trend during August in Anchorage
See the weather trend as well as the moving average line
August weather day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Aug. 1 | Sunny | 19° /12° | 0.2 mm | 5 | |
| Aug. 2 | Patchy rain possible | 18° /13° | 0.1 mm | 5 | |
| Aug. 3 | Sunny | 17° /11° | 0 mm | 5 | |
| Aug. 4 | Partly cloudy | 17° /11° | 0 mm | 5 | |
| Aug. 5 | Partly cloudy | 19° /11° | 0 mm | 6 | |
| Aug. 6 | Moderate or heavy rain shower | 17° /12° | 4 mm | 4 | |
| Aug. 7 | Heavy rain at times | 17° /12° | 6.8 mm | 4 | |
| Aug. 8 | Cloudy | 15° /11° | 17.1 mm | 4 | |
| Aug. 9 | Moderate rain at times | 14° /11° | 2.4 mm | 3 | |
| Aug. 10 | Moderate rain at times | 14° /10° | 8.3 mm | 4 | |
| Aug. 11 | Moderate rain at times | 13° /9° | 9.5 mm | 3 | |
| Aug. 12 | Patchy rain possible | 14° /8° | 2.4 mm | 4 | |
| Aug. 13 | Moderate rain at times | 14° /9° | 2.6 mm | 4 | |
| Aug. 14 | Moderate rain at times | 16° /10° | 1.7 mm | 5 | |
| Aug. 15 | Moderate or heavy rain shower | 14° /10° | 6.5 mm | 3 | |
| Aug. 16 | Patchy rain possible | 14° /10° | 5.4 mm | 4 | |
| Aug. 17 | Overcast | 16° /11° | 0.1 mm | 4 | |
| Aug. 18 | Partly cloudy | 17° /11° | 0.9 mm | 5 | |
| Aug. 19 | Partly cloudy | 14° /11° | 0 mm | 4 | |
| Aug. 20 | Cloudy | 15° /8° | 0 mm | 4 | |
| Aug. 21 | Partly cloudy | 13° /10° | 0.7 mm | 4 | |
| Aug. 22 | Cloudy | 15° /9° | 0.3 mm | 4 | |
| Aug. 23 | Overcast | 15° /9° | 0.5 mm | 4 | |
| Aug. 24 | Heavy rain at times | 13° /10° | 5.7 mm | 3 | |
| Aug. 25 | Light rain | 14° /9° | 5 mm | 3 | |
| Aug. 26 | Light rain shower | 14° /9° | 4.3 mm | 4 | |
| Aug. 27 | Light rain shower | 15° /11° | 3.4 mm | 4 | |
| Aug. 28 | Moderate rain | 12° /9° | 15.8 mm | 3 | |
| Aug. 29 | Light rain shower | 14° /10° | 3.8 mm | 4 | |
| Aug. 30 | Moderate rain | 13° /8° | 17.3 mm | 3 | |
| Aug. 31 | Patchy light rain | 13° /9° | 1.7 mm | 3 | |
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Important Notice
Our weather forecast for Anchorage 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 Anchorage forecast closer to your planned date for the most up-to-date weather information.
Anchorage in August - FAQ
What are the expected maximum and minimum temperatures in Anchorage during August?
Enjoy moderate daytime temperatures of up to 16° and cooler nights around 11°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Anchorage during August?
Significant rainfall exceeding 152.4 mm is expected in Anchorage during August, occurring over more than 19 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Anchorage during August?
The average wind speed in Anchorage during August is 9 km/h, suggesting breezy to windy conditions, depending on your activities.
August rainfall patterns in Anchorage
Explore the daily rainfall trends and prepare for Anchorages August weather 💧
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