10-Day Weather Forecast for Diamond Bar (CA)
Six-hourly outlook through Tuesday 15 September. Updated every three hours via MET Norway.
What's the weather in Diamond Bar this week?
Today's weather - Sunday 6 Sep
For Sunday the predicted weather in Diamond Bar is rain during the morning and afternoon. The maximum temperature is a warm 25°C (77°F), while the minimum temperature is a pleasant 20°C (68°F).
Tomorrow's weather - Monday 7 Sep
Tomorrow's weather in Diamond Bar will be partly cloudy. High temperatures will reach a very warm 31°C (88°F), with lows dropping to around 21°C (70°F).
10-Day Weather Forecast
The 10-day forecast shows that temperatures will reach 35°C (95°F) on Wednesday before declining again. During this period, expect daytime highs around 30°C (86°F) and nighttime lows around 21°C (70°F). Compared to September norms, this represents typical weather. The next 10 days will feature plenty of sunshine. Rain amounts are forecast to be much more than usual (relative to standard September patterns), with mostly dry conditions. There will be rain on around 1 day (Sun). Expect generally calm wind conditions.
Weather Forecast FAQ for Diamond Bar
When will be the warmest day next week?
The warmest day is expected to be Wednesday with a high of 35°C (95°F).
When will be the coldest day?
The coldest day is forecasted for Saturday with a low of 19°C (66°F).
Will it rain next week in Diamond Bar?
Yes, rain is expected on 1 day , specifically on Sun.
How much rainfall is expected next week?
A total of 12 mm (0.5 in) of rain is forecasted for the 10-day period.
What will be the temperature range next week?
Temperatures will range from 19°C (66°F) to 35°C (95°F).
More about Diamond Bar
Explore the full Diamond Bar climate overview with monthly averages, or check rainfall data and temperature by month.
Diamond Bar weather by month
Browse monthly averages for Diamond Bar: climate by month with temperature, rainfall and sunshine.
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