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Record-shattering March scorcher to bring summerlike heat to Southwest. See how hot it will get. Chevron right
March megastorm: Blizzard, dangerous winds. Get the forecast. Chevron right

Rancho Cucamonga, CA

91°F
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Rancho Cucamonga

California

91°
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Rancho Cucamonga, CA Weather
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4 PM

91°
RealFeel® 92°
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
Partly sunny
alerts

Heat Advisory

10:00 AM Monday - 8:00 PM Friday

RealFeel Shade™89°

WindNW 8 mph

Air QualityPoor

Max UV Index3.1 (Moderate)

Wind Gusts9 mph

Humidity14%

Indoor Humidity14% (Slightly Dry)

Dew Point37° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover30%

Visibility10 mi

Cloud Ceiling33300 ft

5 PM

90°
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
Partly sunny
alerts

Heat Advisory

10:00 AM Monday - 8:00 PM Friday

RealFeel Shade™88°

WindWNW 8 mph

Air QualityPoor

Max UV Index2.0 (Low)

Wind Gusts9 mph

Humidity16%

Indoor Humidity16% (Slightly Dry)

Dew Point38° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover46%

Visibility10 mi

Cloud Ceiling30000 ft

6 PM

88°
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
Partly sunny
alerts

Heat Advisory

10:00 AM Monday - 8:00 PM Friday

RealFeel Shade™86°

WindWNW 7 mph

Air QualityPoor

Max UV Index0.9 (Low)

Wind Gusts9 mph

Humidity18%

Indoor Humidity18% (Slightly Dry)

Dew Point40° F

AccuLumen Brightness Index™5 (Medium)

Cloud Cover46%

Visibility10 mi

Cloud Ceiling30000 ft

7 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
Partly cloudy
alerts

Heat Advisory

10:00 AM Monday - 8:00 PM Friday

WindNW 7 mph

Air QualityPoor

Wind Gusts8 mph

Humidity22%

Indoor Humidity22% (Ideal Humidity)

Dew Point42° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover46%

Visibility10 mi

Cloud Ceiling30000 ft

8 PM

83°
RealFeel® 80°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Mostly clear
alerts

Heat Advisory

10:00 AM Monday - 8:00 PM Friday

WindNNW 7 mph

Air QualityPoor

Wind Gusts8 mph

Humidity25%

Indoor Humidity25% (Ideal Humidity)

Dew Point44° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling30000 ft

9 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 clear
alerts

Heat Advisory

10:00 AM Monday - 8:00 PM Friday

WindNNW 7 mph

Air QualityPoor

Wind Gusts8 mph

Humidity28%

Indoor Humidity28% (Ideal Humidity)

Dew Point44° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover14%

Visibility10 mi

Cloud Ceiling30000 ft

10 PM

77°
RealFeel® 74°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Clear
alerts

Heat Advisory

10:00 AM Monday - 8:00 PM Friday

WindN 7 mph

Air QualityPoor

Wind Gusts9 mph

Humidity29%

Indoor Humidity29% (Ideal Humidity)

Dew Point42° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover9%

Visibility10 mi

Cloud Ceiling30000 ft

11 PM

74°
RealFeel® 71°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Clear
alerts

Heat Advisory

10:00 AM Monday - 8:00 PM Friday

WindN 7 mph

Air QualityPoor

Wind Gusts8 mph

Humidity29%

Indoor Humidity29% (Slightly Dry)

Dew Point40° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover6%

Visibility10 mi

Cloud Ceiling30000 ft

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World North America United States California Rancho Cucamonga

Weather Near Rancho Cucamonga:

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