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Diamond Bar, California, United States
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Weather in Diamond Bar, United States

89°
Clear
Feels like 86°
·
High107°Low83°
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Air quality

Full Details
0
35
500
Air quality:Good

Pollen index

Full Details
Tree
0/5
012345
Weed
0/5
012345
Grass
0/5
012345

Tomorrow's weather summary

The weather in Diamond Bar on Tuesday, June 16th, will be clear throughout the day.

Additionally, there will be few clouds around noon, at about 2 pm.

Weather details for Diamond Bar, on Tuesday, June 16th:

The highest temperature of the day will be 108°F at about 2 pm. The day will be extremely dry, with average humidity of 20%, ranging from 11% to a maximum value of 29% at about 2 am. The wind will be strong, and will get up to 22 mph at midnight, blowing from the north-west. The cloud coverage will range from 0% around midnight to as high as 16% around 3 pm with an average of 2%.

There is no probability for any precipitation throughout the day. The dew point will range from 42°F up to a maximum value of 52°F around 9 pm.

The visibility is expected to be good with average visibility of 10 mi throughout the day. Atmospheric pressure will be low with average pressure of 1008 hPa. Sunrise will be at 5:34 am, and sunset at 7:58 pm. The day will have 14 hours and 24 minutes of daylight.

Air quality forecast for Diamond Bar, on Tuesday, June 16th:

On average, the air quality on this day will be moderate, meaning that air quality is acceptable. However, there may be a risk for some people, particularly those who are unusually sensitive to air pollution. According to our index, ranging from 0 to 500, the air quality is going to be between values of 43 and 59.

Pollen forecast for Diamond Bar, on Tuesday, June 16th:

The overall pollen forecast for this day shows no significant pollen. Tree pollen on this day is expected to have no risk. There's no risk of weed pollen, and as for grass pollen, this day is expected to have no risk.

The weather in Diamond Bar on Wednesday, June 17th, according to our forecast model, will be clear for the whole day.

Weather details for Diamond Bar, on Wednesday, June 17th:

The maximum temperature during the day will be 104°F at about 1 pm. The day will be very dry, with average humidity of 22%, ranging from 12% to a maximum value of 30% at about 11 pm. The wind will be breezy, and will get up to 14 mph at 6 pm, blowing from the north-west. The sky will be clear of clouds along the day.

There is no probability for any precipitation throughout the day. The dew point will range from 42°F up to a maximum value of 50°F around midnight.

The visibility is expected to be good with average visibility of 10 mi throughout the day. Atmospheric pressure will be low with average pressure of 1006 hPa. Sunrise will be at 5:34 am, and sunset at 7:59 pm. The day will have 14 hours and 25 minutes of daylight.

Air quality forecast for Diamond Bar, on Wednesday, June 17th:

On average, the air quality on this day will be moderate, meaning that air quality is acceptable. However, there may be a risk for some people, particularly those who are unusually sensitive to air pollution. According to our index, ranging from 0 to 500, the air quality is going to be between values of 50 and 61.

Pollen forecast for Diamond Bar, on Wednesday, June 17th:

The overall pollen forecast for this day shows no significant pollen. Tree pollen on this day is expected to have no risk. There's no risk of weed pollen, and as for grass pollen, this day is expected to have no risk.

FAQ

How warm does it get in Diamond Bar?
The average annual highest temperature in Diamond Bar is 33.4°C (92.1°F), and the August 27th is the hottest day on average.
How cold does it get in Diamond Bar?
The average annual lowest temperature in Diamond Bar is 4.3°C (39.7°F), and the January 1st is the coldest day on average.
Which month has the most rain in Diamond Bar?
The wettest months in Diamond Bar are December and January.