Chilliwack
August
Weather in Chilliwack for August 2025
Your guide to Chilliwack weather in August - trends and predictions
In general, the average temperature in Chilliwack at the beginning of August is 27 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 21.7 °C by the end of August.
Chilliwack sees moderate rainfall in August, averaging 7 rainy days.
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24
Dry days
7
Rainy days
0
Snow days
24°/13°
Temperatures
8 km/h
Avg max wind
67 %
Avg humidity
Chilliwack in August average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  28° | 2  28° | 3  28° | ||||
| 4  27° | 5 28° | 6 24° | 7 26° | 8 26° | 9  24° | 10 23° |
| 11 23° | 12 23° | 13 25° | 14 29° | 15 28° | 16 27° | 17 29° |
| 18 19° | 19 24° | 20 24° | 21 21° | 22  20° | 23 17° | 24 19° |
| 25 23° | 26 24° | 27 21° | 28  21° | 29 20° | 30 18° | 31 25° |
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Temperatures trend during August in Chilliwack
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 |
|---|---|---|---|---|---|
| 1 Aug. | Partly cloudy | 28° /11° | 0 mm | 7 | |
| 2 Aug. | Overcast | 28° /13° | 0 mm | 7 | |
| 3 Aug. | Sunny | 28° /13° | 0 mm | 7 | |
| 4 Aug. | Cloudy | 27° /12° | 0 mm | 7 | |
| 5 Aug. | Partly cloudy | 28° /13° | 0 mm | 7 | |
| 6 Aug. | Cloudy | 24° /11° | 0 mm | 6 | |
| 7 Aug. | Overcast | 26° /12° | 0.1 mm | 6 | |
| 8 Aug. | Overcast | 26° /14° | 0 mm | 7 | |
| 9 Aug. | Moderate or heavy rain shower | 24° /14° | 2.5 mm | 6 | |
| 10 Aug. | Overcast | 23° /13° | 0 mm | 6 | |
| 11 Aug. | Partly cloudy | 23° /13° | 0.1 mm | 6 | |
| 12 Aug. | Cloudy | 23° /12° | 0.1 mm | 5 | |
| 13 Aug. | Sunny | 25° /12° | 0.3 mm | 6 | |
| 14 Aug. | Sunny | 29° /15° | 0 mm | 7 | |
| 15 Aug. | Sunny | 28° /15° | 0 mm | 7 | |
| 16 Aug. | Sunny | 27° /14° | 0 mm | 7 | |
| 17 Aug. | Sunny | 29° /14° | 0 mm | 8 | |
| 18 Aug. | Partly cloudy | 19° /10° | 4.9 mm | 5 | |
| 19 Aug. | Sunny | 24° /9° | 0.2 mm | 6 | |
| 20 Aug. | Overcast | 24° /11° | 1.2 mm | 6 | |
| 21 Aug. | Cloudy | 21° /11° | 1.7 mm | 5 | |
| 22 Aug. | Patchy rain possible | 20° /10° | 0.3 mm | 5 | |
| 23 Aug. | Patchy rain possible | 17° /10° | 2.2 mm | 4 | |
| 24 Aug. | Sunny | 19° /9° | 10.4 mm | 5 | |
| 25 Aug. | Overcast | 23° /10° | 0.9 mm | 5 | |
| 26 Aug. | Sunny | 24° /8° | 4.3 mm | 6 | |
| 27 Aug. | Sunny | 21° /9° | 15 mm | 5 | |
| 28 Aug. | Thundery outbreaks possible | 21° /8° | 0.3 mm | 5 | |
| 29 Aug. | Light rain shower | 20° /9° | 7.7 mm | 5 | |
| 30 Aug. | Light rain shower | 18° /9° | 19.6 mm | 5 | |
| 31 Aug. | Light rain shower | 25° /11° | 3 mm | 6 | |
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Important Notice
Our weather forecast for Chilliwack 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 Chilliwack forecast closer to your planned date for the most up-to-date weather information.
Chilliwack in August - FAQ
What are the expected maximum and minimum temperatures in Chilliwack during August?
Enjoy moderate daytime temperatures of up to 24° and cooler nights around 13°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Chilliwack during August?
Moderate rainfall is anticipated in Chilliwack during August, with a total of 67.8 mm spread over approximately 7 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Chilliwack during August?
The average wind speed in Chilliwack during August is 8 km/h, suggesting breezy to windy conditions, depending on your activities.
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