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El Nino to play a major role this hurricane season. Here's how many storms AccuWeather experts are predicting. Chevron right

Diamond Bar, CA

63°F
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Diamond Bar

California

63°
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Diamond Bar, CA Weather
Today WinterCast Local {stormName} Tracker Hourly Daily Radar MinuteCast® Monthly Air Quality Health & Activities

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12 AM

62°
RealFeel® 62°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 0%
Chevron down
Fog

WindESE 2 mph

Air QualityPoor

Wind Gusts2 mph

Humidity67%

Indoor Humidity54% (Ideal Humidity)

Dew Point51° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover22%

Visibility0.28 mi

Cloud Ceiling30000 ft

1 AM

60°
RealFeel® 60°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 0%
Chevron down
Fog

WindNE 2 mph

Air QualityPoor

Wind Gusts2 mph

Humidity65%

Indoor Humidity49% (Ideal Humidity)

Dew Point48° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover19%

Visibility0.31 mi

Cloud Ceiling30000 ft

2 AM

61°
RealFeel® 61°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 0%
Chevron down
Fog

WindN 2 mph

Air QualityPoor

Wind Gusts4 mph

Humidity60%

Indoor Humidity47% (Ideal Humidity)

Dew Point47° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover25%

Visibility0.26 mi

Cloud Ceiling30000 ft

3 AM

62°
RealFeel® 62°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 0%
Chevron down
Fog

WindNNE 4 mph

Air QualityPoor

Wind Gusts4 mph

Humidity56%

Indoor Humidity45% (Ideal Humidity)

Dew Point46° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover43%

Visibility0.49 mi

Cloud Ceiling30000 ft

4 AM

63°
RealFeel® 62°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 0%
Chevron down
Fog

WindNNE 4 mph

Air QualityPoor

Wind Gusts5 mph

Humidity52%

Indoor Humidity43% (Ideal Humidity)

Dew Point45° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover68%

Visibility0.28 mi

Cloud Ceiling300 ft

5 AM

63°
RealFeel® 62°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 0%
Chevron down
Fog

WindNE 4 mph

Air QualityPoor

Wind Gusts5 mph

Humidity49%

Indoor Humidity41% (Ideal Humidity)

Dew Point43° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover90%

Visibility0.34 mi

Cloud Ceiling300 ft

6 AM

62°
RealFeel® 61°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 0%
Chevron down
Fog

WindENE 4 mph

Air QualityPoor

Wind Gusts5 mph

Humidity46%

Indoor Humidity37% (Ideal Humidity)

Dew Point41° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover99%

Visibility0.41 mi

Cloud Ceiling300 ft

7 AM

62°
RealFeel® 61°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 0%
Chevron down
Fog

RealFeel Shade™61°

WindSSE 4 mph

Air QualityPoor

Max UV Index0.0 (Low)

Wind Gusts5 mph

Humidity44%

Indoor Humidity35% (Slightly Dry)

Dew Point40° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover96%

Visibility0.34 mi

Cloud Ceiling300 ft

8 AM

67°
RealFeel® 67°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Fog

RealFeel Shade™64°

WindS 5 mph

Air QualityPoor

Max UV Index1.2 (Low)

Wind Gusts5 mph

Humidity35%

Indoor Humidity34% (Slightly Dry)

Dew Point39° F

AccuLumen Brightness Index™7 (Bright)

Cloud Cover25%

Visibility0.50 mi

Cloud Ceiling30000 ft

9 AM

71°
RealFeel® 72°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Fog

RealFeel Shade™68°

WindSSW 5 mph

Air QualityPoor

Max UV Index2.2 (Low)

Wind Gusts6 mph

Humidity30%

Indoor Humidity30% (Slightly Dry)

Dew Point38° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover25%

Visibility0.50 mi

Cloud Ceiling30000 ft

10 AM

77°
RealFeel® 79°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Fog

RealFeel Shade™73°

WindWSW 6 mph

Air QualityPoor

Max UV Index3.5 (Moderate)

Wind Gusts7 mph

Humidity25%

Indoor Humidity25% (Slightly Dry)

Dew Point39° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover25%

Visibility0.50 mi

Cloud Ceiling30000 ft

11 AM

80°
RealFeel® 84°
Very Warm
RealFeel Guide
Very Warm
82° to 89°
Older adults, infants, and those with sensitive medical conditions should minimize outdoor activity, especially in the sunshine.
LEARN MORE
rain drop 0%
Chevron down
Fog

RealFeel Shade™77°

WindWSW 6 mph

Air QualityPoor

Max UV Index4.8 (Moderate)

Wind Gusts7 mph

Humidity23%

Indoor Humidity23% (Slightly Dry)

Dew Point39° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover25%

Visibility1.00 mi

Cloud Ceiling30000 ft

12 PM

83°
RealFeel® 88°
Very Warm
RealFeel Guide
Very Warm
82° to 89°
Older adults, infants, and those with sensitive medical conditions should minimize outdoor activity, especially in the sunshine.
LEARN MORE
rain drop 0%
Chevron down
Fog

RealFeel Shade™79°

WindWSW 7 mph

Air QualityPoor

Max UV Index6.6 (High)

Wind Gusts8 mph

Humidity20%

Indoor Humidity20% (Slightly Dry)

Dew Point38° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover14%

Visibility2 mi

Cloud Ceiling30000 ft

1 PM

86°
RealFeel® 91°
Hot
RealFeel Guide
Hot
90° to 100°
Caution advised. Possible danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
rain drop 0%
Chevron down
Fog

RealFeel Shade™83°

WindSW 8 mph

Air QualityPoor

Max UV Index7.4 (High)

Wind Gusts10 mph

Humidity17%

Indoor Humidity17% (Slightly Dry)

Dew Point36° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover11%

Visibility4 mi

Cloud Ceiling30000 ft

2 PM

89°
RealFeel® 93°
Hot
RealFeel Guide
Hot
90° to 100°
Caution advised. Possible danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
rain drop 0%
Chevron down
Mostly sunny

RealFeel Shade™86°

WindSW 8 mph

Air QualityPoor

Max UV Index6.6 (High)

Wind Gusts15 mph

Humidity14%

Indoor Humidity14% (Slightly Dry)

Dew Point34° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover11%

Visibility5 mi

Cloud Ceiling30000 ft

3 PM

91°
RealFeel® 93°
Hot
RealFeel Guide
Hot
90° to 100°
Caution advised. Possible danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
rain drop 0%
Chevron down
Mostly sunny

RealFeel Shade™88°

WindSW 9 mph

Air QualityPoor

Max UV Index4.8 (Moderate)

Wind Gusts17 mph

Humidity13%

Indoor Humidity13% (Slightly Dry)

Dew Point34° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover11%

Visibility10 mi

Cloud Ceiling30000 ft

4 PM

89°
RealFeel® 90°
Hot
RealFeel Guide
Hot
90° to 100°
Caution advised. Possible danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
rain drop 0%
Chevron down
Mostly sunny

RealFeel Shade™86°

WindSW 10 mph

Air QualityPoor

Max UV Index3.5 (Moderate)

Wind Gusts18 mph

Humidity14%

Indoor Humidity14% (Slightly Dry)

Dew Point34° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover11%

Visibility10 mi

Cloud Ceiling30000 ft

5 PM

87°
RealFeel® 86°
Very Warm
RealFeel Guide
Very Warm
82° to 89°
Older adults, infants, and those with sensitive medical conditions should minimize outdoor activity, especially in the sunshine.
LEARN MORE
rain drop 0%
Chevron down
Mostly sunny

RealFeel Shade™84°

WindSW 10 mph

Air QualityPoor

Max UV Index2.2 (Low)

Wind Gusts21 mph

Humidity15%

Indoor Humidity15% (Slightly Dry)

Dew Point35° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover11%

Visibility10 mi

Cloud Ceiling30000 ft

6 PM

85°
RealFeel® 83°
Very Warm
RealFeel Guide
Very Warm
82° to 89°
Older adults, infants, and those with sensitive medical conditions should minimize outdoor activity, especially in the sunshine.
LEARN MORE
rain drop 0%
Chevron down
Mostly sunny

RealFeel Shade™82°

WindWSW 9 mph

Air QualityPoor

Max UV Index1.2 (Low)

Wind Gusts18 mph

Humidity19%

Indoor Humidity19% (Slightly Dry)

Dew Point38° F

AccuLumen Brightness Index™7 (Bright)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling30000 ft

7 PM

80°
RealFeel® 77°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Mostly sunny

RealFeel Shade™77°

WindWSW 8 mph

Air QualityPoor

Max UV Index0.1 (Low)

Wind Gusts14 mph

Humidity25%

Indoor Humidity25% (Ideal Humidity)

Dew Point42° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling30000 ft

8 PM

76°
RealFeel® 74°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Partly cloudy

WindWSW 7 mph

Air QualityPoor

Wind Gusts9 mph

Humidity33%

Indoor Humidity33% (Ideal Humidity)

Dew Point45° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover45%

Visibility10 mi

Cloud Ceiling30000 ft

9 PM

73°
RealFeel® 71°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Partly cloudy

WindWSW 6 mph

Air QualityPoor

Wind Gusts7 mph

Humidity39%

Indoor Humidity39% (Ideal Humidity)

Dew Point47° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover37%

Visibility10 mi

Cloud Ceiling30000 ft

10 PM

70°
RealFeel® 67°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Mostly clear

WindSW 6 mph

Air QualityPoor

Wind Gusts6 mph

Humidity46%

Indoor Humidity46% (Ideal Humidity)

Dew Point48° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover26%

Visibility10 mi

Cloud Ceiling30000 ft

11 PM

66°
RealFeel® 64°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Mostly clear

WindSW 5 mph

Air QualityPoor

Wind Gusts6 mph

Humidity53%

Indoor Humidity50% (Ideal Humidity)

Dew Point49° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover26%

Visibility10 mi

Cloud Ceiling30000 ft

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Weather Near Diamond Bar:

  • Anaheim, CA
  • Long Beach, CA
  • Los Angeles, CA
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