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Weather in Rancho Cucamonga, California for August 2027

Your guide to Rancho Cucamonga weather in August - trends and predictions

    Temperatures

  • In general, the average temperature in Rancho Cucamonga at the beginning of August is 35.4 °C. As the month progressed, temperatures tended to slightly decrease, reaching an average of 35.2 °C by the end of August.

    • Rain 🌧️

  • Precipitation in Rancho Cucamonga during August is a rare event, with an average of fewer than 2 rainy days.

    • More

  • Is August a good time to visit Rancho Cucamonga? check out the best time to travel to Rancho Cucamonga page.

  • ✨ Is August a good time to visit Rancho Cucamonga? – Ask the AI Weatherman

Average dry days
30
Dry days
Average rainy days
1
Rainy days
Average snowy days
0
Snow days
Average temperatures
35°/20°
Temperatures
Average wind speed
16 km/h
Avg max wind
Average humidity
40 %
Avg humidity

Rancho Cucamonga Weather August

Move between months or click on a day
July
September
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1
Sunny
36°
2
Sunny
36°
3
Sunny
35°
4
Sunny
35°
5
Sunny
36°
6
Sunny
37°
7
Sunny
35°
8
Sunny
36°
9
Patchy rain possible
35°
10
Sunny
33°
11
Patchy rain possible
33°
12
Sunny
33°
13
Sunny
32°
14
Sunny
33°
15
Sunny
33°
16
Sunny
33°
17
Sunny
35°
18
Sunny
36°
19
Sunny
34°
20
Moderate rain
33°
21
Light rain
35°
22
Sunny
34°
23
Sunny
34°
24
Sunny
34°
25
Partly cloudy
35°
26
Sunny
35°
27
Sunny
35°
28
Sunny
35°
29
Sunny
36°
30
Sunny
36°
31
Sunny
34°

Temperatures trend during August in Rancho Cucamonga

See the weather trend as well as the moving average line

August weather in Rancho Cucamonga day by day

Click on a date for more information
July September
Date Weather Temperatures Rain UV More
Aug. 1 Sunny
Sunny
 36° /20° 0 mm 9
Aug. 2 Sunny
Sunny
 36° /20° 0 mm 10
Aug. 3 Sunny
Sunny
 35° /20° 0 mm 10
Aug. 4 Sunny
Sunny
 35° /20° 0 mm 10
Aug. 5 Sunny
Sunny
 36° /21° 0 mm 10
Aug. 6 Sunny
Sunny
 37° /22° 0 mm 10
Aug. 7 Sunny
Sunny
 35° /21° 0 mm 10
Aug. 8 Sunny
Sunny
 36° /21° 0.2 mm 9
Aug. 9 Patchy rain possible
Patchy rain possible
 35° /21° 1.5 mm 10
Aug. 10 Sunny
Sunny
 33° /21° 0 mm 9
Aug. 11 Patchy rain possible
Patchy rain possible
 33° /20° 0.2 mm 9
Aug. 12 Sunny
Sunny
 33° /19° 0 mm 9
Aug. 13 Sunny
Sunny
 32° /19° 0 mm 9
Aug. 14 Sunny
Sunny
 33° /19° 0 mm 9
Aug. 15 Sunny
Sunny
 33° /19° 0 mm 9
Aug. 16 Sunny
Sunny
 33° /20° 0.3 mm 9
Aug. 17 Sunny
Sunny
 35° /20° 0 mm 9
Aug. 18 Sunny
Sunny
 36° /20° 0 mm 9
Aug. 19 Sunny
Sunny
 34° /21° 0.2 mm 9
Aug. 20 Moderate rain
Moderate rain
 33° /22° 24.9 mm 8
Aug. 21 Light rain
Light rain
 35° /21° 5.7 mm 9
Aug. 22 Sunny
Sunny
 34° /21° 0 mm 9
Aug. 23 Sunny
Sunny
 34° /20° 0 mm 9
Aug. 24 Sunny
Sunny
 34° /20° 0 mm 9
Aug. 25 Partly cloudy
Partly cloudy
 35° /21° 0 mm 9
Aug. 26 Sunny
Sunny
 35° /22° 0 mm 9
Aug. 27 Sunny
Sunny
 35° /22° 0 mm 7
Aug. 28 Sunny
Sunny
 35° /21° 0 mm 8
Aug. 29 Sunny
Sunny
 36° /22° 0 mm 9
Aug. 30 Sunny
Sunny
 36° /21° 0 mm 9
Aug. 31 Sunny
Sunny
 34° /21° 0 mm 9
Next
Important Notice
Our weather forecast for Rancho Cucamonga 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 Rancho Cucamonga forecast closer to your planned date for the most up-to-date weather information.
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Rancho Cucamonga in August - FAQ

What are the expected maximum and minimum temperatures in Rancho Cucamonga during August?
Expect warm days with temperatures around 35°, cooling to mild conditions of 20° after sunset. Perfect for those who enjoy warm weather.

How much rainfall should be expected in Rancho Cucamonga during August?
In August, Rancho Cucamonga can expect light to moderate rainfall, totaling 32.9 mm across approximately 1 days. Occasional showers are possible, and planning ahead for them could be helpful.

What are the typical wind conditions in Rancho Cucamonga during August?
The average wind speed in Rancho Cucamonga during August is 16 km/h, suggesting breezy to windy conditions, depending on your activities.

August rainfall patterns in Rancho Cucamonga

Explore the daily rainfall trends and prepare for Rancho Cucamongas August weather 💧
Typically, Rancho Cucamonga has 1 rainy days in August with a total of 32.9 mm of rainfall.

UV exposure in Rancho Cucamonga during August

Stay informed about UV levels for safe outdoor activities throughout the month of August ☀️
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Location coordinates Where is Rancho Cucamonga?

Get accurate weather forecasts for Rancho Cucamonga, located at latitude 34.106 and longitude -117.593. Stay updated with localized weather information tailored for Rancho Cucamonga.

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