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Weather in Olympia, Washington for August 2025

Your guide to Olympia weather in August - trends and predictions

    Official Weather Alert ⚠️

  • Heat Advisory - See hour by hour.

    • Temperatures

  • Until now, August 2025 in Olympia is slightly cooler than the historical average by -0.9 °F.

  • Expect cooler weather in the next days in Olympia with the forecast suggesting a temperature of 27.4 °F, lower than the historical average.

  • In general, the average temperature in Olympia at the beginning of August is 24.1 °F. As the month progressed, temperatures tended to significantly warm up, reaching an average of 28 °F by the end of August.

    • Rain 🌧️

  • Olympia experiences moderate rainfall in August, with an average of 7 rainy days and a total precipitation of 56.4 mm.

    • More

  • New! Chat with our AI weatherman - it’s amazing and free.

Average dry days
24
Dry days
Average rainy days
7
Rainy days
Average snowy days
0
Snow days
Average temperatures
25°/11°
Temperatures
Average wind speed
12 km/h
Avg max wind
Average humidity
71 %
Avg humidity

Olympia Weather August

Move between months or click on a day
July
September
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1
Overcast
23°
2
Overcast
25°
3
Overcast
25°
4
Sunny
25°
5
Overcast
24°
6
Partly cloudy
22°
7
Overcast
25°
8
Partly cloudy
27°
9
Sunny
27°
10
Overcast
29°
11
Overcast
26°
12
Cloudy
28°
13
Overcast
20°
14
Overcast
23°
15
Overcast
20°
16
Cloudy
23°
17
Patchy rain possible
25°
18
Patchy rain possible
22°
19
Overcast
23°
20
Moderate or heavy rain shower
19°
21
Patchy rain possible
24°
22
Patchy rain possible
26°
23
Moderate or heavy rain shower
25°
24
Moderate or heavy rain shower
24°
25
Patchy rain possible
27°
26
Weather Alert Cloudy
31°
27
Overcast
27°
28
Partly cloudy
28°
29
Partly cloudy
33°
30
Patchy rain possible
28°
31
Patchy rain possible
22°

Temperatures trend during August in Olympia

See the weather trend as well as the moving average line

August weather in Olympia day by day

Click on a date for more information
July September
Date Weather Temperatures Rain UV More
Aug. 1 Overcast
Overcast
 23° /13° 4.8 mm 5
Aug. 2 Overcast
Overcast
 25° /14° 0 mm 6
Aug. 3 Overcast
Overcast
 25° /12° 0 mm 6
Aug. 4 Sunny
Sunny
 25° /11° 0 mm 6
Aug. 5 Overcast
Overcast
 24° /11° 0 mm 6
Aug. 6 Partly cloudy
Partly cloudy
 22° /13° 4 mm 6
Aug. 7 Overcast
Overcast
 25° /11° 0 mm 6
Aug. 8 Partly cloudy
Partly cloudy
 27° /12° 0 mm 7
Aug. 9 Sunny
Sunny
 27° /14° 0 mm 7
Aug. 10 Overcast
Overcast
 29° /15° 0 mm 7
Aug. 11 Overcast
Overcast
 26° /16° 0 mm 7
Aug. 12 Cloudy
Cloudy
 28° /15° 0 mm 7
Aug. 13 Overcast
Overcast
 20° /12° 0 mm 5
Aug. 14 Overcast
Overcast
 23° /11° 0 mm 5
Aug. 15 Overcast
Overcast
 20° /13° 34.2 mm 5
Aug. 16 Cloudy
Cloudy
 23° /13° 8.9 mm 5
Aug. 17 Patchy rain possible
Patchy rain possible
 25° /12° 4.1 mm 6
Aug. 18 Patchy rain possible
Patchy rain possible
 22° /13° 0.8 mm 5
Aug. 19 Overcast
Overcast
 23° /12° 0 mm 5
Aug. 20 Moderate or heavy rain shower
Moderate or heavy rain shower
 19° /12° 10.2 mm 4
Aug. 21 Patchy rain possible
Patchy rain possible
 24° /11° 0.3 mm 6
Aug. 22 Patchy rain possible
Patchy rain possible
 26° /13° 1.2 mm 7
Aug. 23 Moderate or heavy rain shower
Moderate or heavy rain shower
 25° /15° 9.8 mm 6
Aug. 24 Moderate or heavy rain shower
Moderate or heavy rain shower
 24° /15° 4.9 mm 6
Aug. 25 Patchy rain possible
Patchy rain possible
 27° /13° 0.1 mm 7
Aug. 26 Cloudy
Cloudy
 31° /17° 0 mm 1.7
Aug. 27 Overcast
Overcast
 27° /16° 0 mm 0.7
Aug. 28 Partly cloudy
Partly cloudy
 28° /14° 0 mm 1.7
Aug. 29 Partly cloudy
Partly cloudy
 33° /13° 0 mm 1.7
Aug. 30 Patchy rain possible
Patchy rain possible
 28° /13° 0.3 mm 0
Aug. 31 Patchy rain possible
Patchy rain possible
 22° /12° 0.6 mm 4
Next
Important Notice
Our weather forecast for Olympia 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 Olympia forecast closer to your planned date for the most up-to-date weather information.
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Olympia in August - FAQ

What are the expected maximum and minimum temperatures in Olympia during August?
Enjoy moderate daytime temperatures of up to 25° and cooler nights around 11°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Olympia during August?
Moderate rainfall is anticipated in Olympia during August, with a total of 56.4 mm spread over approximately 7 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Olympia during August?
The average wind speed in Olympia during August is 12 km/h, suggesting breezy to windy conditions, depending on your activities.

August rainfall patterns in Olympia

Explore the daily rainfall trends and prepare for Olympias August weather 💧

UV exposure in Olympia during August

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

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Location coordinates Where is Olympia?

Get accurate weather forecasts for Olympia, located at latitude 47.038 and longitude -122.901. Stay updated with localized weather information tailored for Olympia.

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