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100+ F in Phoenix as record-shattering March scorcher intensifies. See how hot it will get. Chevron right

South Fontana, CA

95°F
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South Fontana

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South Fontana, CA Weather
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2 PM

98°
RealFeel® 101°
Very Hot
RealFeel Guide
Very Hot
101° to 107°
Caution advised. Danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
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Sunny
alerts

Heat Advisory

10:00 AM Monday - 8:00 PM Friday

RealFeel Shade™95°

WindW 7 mph

Air QualityFair

Max UV Index5.4 (Moderate)

Wind Gusts9 mph

Humidity14%

Indoor Humidity14% (Slightly Dry)

Dew Point40° F

AccuLumen Brightness Index™10 (Very Bright)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

3 PM

98°
RealFeel® 100°
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.
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rain drop 0%
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Sunny
alerts

Heat Advisory

10:00 AM Monday - 8:00 PM Friday

RealFeel Shade™95°

WindW 8 mph

Air QualityFair

Max UV Index4.4 (Moderate)

Wind Gusts9 mph

Humidity13%

Indoor Humidity13% (Slightly Dry)

Dew Point39° F

AccuLumen Brightness Index™10 (Very Bright)

Cloud Cover1%

Visibility10 mi

Cloud Ceiling30000 ft

4 PM

97°
RealFeel® 97°
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%
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Sunny
alerts

Heat Advisory

10:00 AM Monday - 8:00 PM Friday

RealFeel Shade™94°

WindWSW 9 mph

Air QualityFair

Max UV Index3.1 (Moderate)

Wind Gusts12 mph

Humidity14%

Indoor Humidity14% (Slightly Dry)

Dew Point40° F

AccuLumen Brightness Index™10 (Very Bright)

Cloud Cover4%

Visibility10 mi

Cloud Ceiling30000 ft

5 PM

95°
RealFeel® 94°
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%
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Sunny
alerts

Heat Advisory

10:00 AM Monday - 8:00 PM Friday

RealFeel Shade™91°

WindWSW 9 mph

Air QualityFair

Max UV Index2.0 (Low)

Wind Gusts15 mph

Humidity15%

Indoor Humidity15% (Slightly Dry)

Dew Point40° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover6%

Visibility10 mi

Cloud Ceiling30000 ft

6 PM

92°
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%
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Sunny
alerts

Heat Advisory

10:00 AM Monday - 8:00 PM Friday

RealFeel Shade™90°

WindWSW 8 mph

Air QualityFair

Max UV Index1.0 (Low)

Wind Gusts15 mph

Humidity17%

Indoor Humidity17% (Ideal Humidity)

Dew Point41° F

AccuLumen Brightness Index™5 (Medium)

Cloud Cover7%

Visibility10 mi

Cloud Ceiling30000 ft

7 PM

88°
RealFeel® 85°
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.
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Clear
alerts

Heat Advisory

10:00 AM Monday - 8:00 PM Friday

WindWSW 9 mph

Air QualityPoor

Wind Gusts13 mph

Humidity20%

Indoor Humidity20% (Ideal Humidity)

Dew Point42° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover7%

Visibility10 mi

Cloud Ceiling30000 ft

8 PM

84°
RealFeel® 82°
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%
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Mostly clear
alerts

Heat Advisory

10:00 AM Monday - 8:00 PM Friday

WindWSW 7 mph

Air QualityPoor

Wind Gusts9 mph

Humidity24%

Indoor Humidity24% (Ideal Humidity)

Dew Point44° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover11%

Visibility10 mi

Cloud Ceiling30000 ft

9 PM

81°
RealFeel® 78°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
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Mostly clear
alerts

Heat Advisory

10:00 AM Monday - 8:00 PM Friday

WindWSW 7 mph

Air QualityPoor

Wind Gusts8 mph

Humidity28%

Indoor Humidity28% (Ideal Humidity)

Dew Point45° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover11%

Visibility10 mi

Cloud Ceiling30000 ft

10 PM

77°
RealFeel® 75°
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

WindSW 6 mph

Air QualityPoor

Wind Gusts7 mph

Humidity33%

Indoor Humidity33% (Ideal Humidity)

Dew Point46° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover11%

Visibility10 mi

Cloud Ceiling30000 ft

11 PM

74°
RealFeel® 72°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
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Mostly clear
alerts

Heat Advisory

10:00 AM Monday - 8:00 PM Friday

WindESE 5 mph

Air QualityPoor

Wind Gusts6 mph

Humidity37%

Indoor Humidity37% (Ideal Humidity)

Dew Point46° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover11%

Visibility10 mi

Cloud Ceiling30000 ft

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World North America United States California South Fontana

Weather Near South Fontana:

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