Weather in Diamond Bar, United States 🇺🇸
In Diamond Bar right now it is 20°C and clear, feeling like 20°C. Humidity is 76% with winds around 5 km/h, and the UV index is 0 (low). Over the next few days, temperatures in Diamond Bar range from about 16°C to 37°C. ⚠️ Beach Hazards Statement issued June 11 at 11:31AM PDT until June 11 at 8:00PM PDT by NWS San Diego CA
Hourly Forecast for Diamond Bar
14-Day Forecast for Diamond Bar
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Additional Forecasts for Diamond Bar
Air Quality
Historical Weather
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Best Time to Be Outside in Diamond Bar Today
The most comfortable window in Diamond Bar today looks like 07:00 to 09:00, when it is around 22°C. It should stay dry through that window. No significant rain is expected in the next several hours.
Frequently Asked Questions about Weather in Diamond Bar
What is the temperature in Diamond Bar right now?
The current temperature in Diamond Bar is 20°C (69°F), clear (feels like 20°C).
What's the weather like in Diamond Bar right now?
Conditions in Diamond Bar right now: Clear, humidity 76%, wind 5 km/h SW.
What is today's forecast for Diamond Bar?
Today in Diamond Bar: high 37°C, low 16°C, sunny. Chance of rain: 3%.
What is the 7-day weather forecast for Diamond Bar?
Daily highs and lows for Diamond Bar:
- 2026-06-12: 37°C / 16°C
- 2026-06-13: 31°C / 21°C
- 2026-06-14: 32°C / 20°C
- 2026-06-15: 33°C / 20°C
- 2026-06-16: 33°C / 21°C
- 2026-06-17: 34°C / 22°C
- 2026-06-18: 34°C / 22°C
Is it going to rain in Diamond Bar today?
There is a 3% chance of rain in Diamond Bar today.
What is the wind speed in Diamond Bar right now?
Wind in Diamond Bar is currently 5 km/h (3 mph) from the SW.
What is the UV index in Diamond Bar right now?
The UV index in Diamond Bar is currently 0 (low). Sun protection is recommended when the index is 3 or higher.
