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Heat wave to intensify as all-time March records fall across the West. See how hot it will get. Chevron right

Rialto, CA

87°F
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Rialto

California

87°
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Rialto, CA Weather
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11 AM

88°
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
Sunny
alerts

Heat Advisory

10:00 AM Monday - 8:00 PM Friday

RealFeel Shade™86°

WindSSW 5 mph

Air QualityUnhealthy

Max UV Index4.5 (Moderate)

Wind Gusts6 mph

Humidity15%

Indoor Humidity15% (Slightly Dry)

Dew Point36° F

AccuLumen Brightness Index™10 (Very Bright)

Cloud Cover1%

Visibility10 mi

Cloud Ceiling33300 ft

12 PM

91°
RealFeel® 96°
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
Sunny
alerts

Heat Advisory

10:00 AM Monday - 8:00 PM Friday

RealFeel Shade™89°

WindSW 6 mph

Air QualityUnhealthy

Max UV Index5.8 (High)

Wind Gusts7 mph

Humidity15%

Indoor Humidity15% (Slightly Dry)

Dew Point37° F

AccuLumen Brightness Index™10 (Very Bright)

Cloud Cover1%

Visibility10 mi

Cloud Ceiling30000 ft

1 PM

93°
RealFeel® 98°
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
Sunny
alerts

Heat Advisory

10:00 AM Monday - 8:00 PM Friday

RealFeel Shade™91°

WindSW 7 mph

Air QualityUnhealthy

Max UV Index6.5 (High)

Wind Gusts8 mph

Humidity14%

Indoor Humidity14% (Slightly Dry)

Dew Point38° F

AccuLumen Brightness Index™10 (Very Bright)

Cloud Cover1%

Visibility10 mi

Cloud Ceiling30000 ft

2 PM

95°
RealFeel® 99°
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
Sunny
alerts

Heat Advisory

10:00 AM Monday - 8:00 PM Friday

RealFeel Shade™93°

WindSW 8 mph

Air QualityUnhealthy

Max UV Index5.8 (High)

Wind Gusts9 mph

Humidity14%

Indoor Humidity14% (Slightly Dry)

Dew Point39° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover5%

Visibility10 mi

Cloud Ceiling30000 ft

3 PM

97°
RealFeel® 99°
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
alerts

Heat Advisory

10:00 AM Monday - 8:00 PM Friday

RealFeel Shade™94°

WindSW 9 mph

Air QualityUnhealthy

Max UV Index4.5 (Moderate)

Wind Gusts13 mph

Humidity13%

Indoor Humidity13% (Slightly Dry)

Dew Point39° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover10%

Visibility10 mi

Cloud Ceiling30000 ft

4 PM

96°
RealFeel® 96°
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
alerts

Heat Advisory

10:00 AM Monday - 8:00 PM Friday

RealFeel Shade™93°

WindWSW 10 mph

Air QualityUnhealthy

Max UV Index3.3 (Moderate)

Wind Gusts16 mph

Humidity14%

Indoor Humidity14% (Slightly Dry)

Dew Point40° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover10%

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%
Chevron down
Mostly sunny
alerts

Heat Advisory

10:00 AM Monday - 8:00 PM Friday

RealFeel Shade™92°

WindWSW 10 mph

Air QualityUnhealthy

Max UV Index2.1 (Low)

Wind Gusts21 mph

Humidity15%

Indoor Humidity15% (Ideal Humidity)

Dew Point41° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover10%

Visibility10 mi

Cloud Ceiling30000 ft

6 PM

93°
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
Mostly sunny
alerts

Heat Advisory

10:00 AM Monday - 8:00 PM Friday

RealFeel Shade™90°

WindWSW 10 mph

Air QualityUnhealthy

Max UV Index1.0 (Low)

Wind Gusts15 mph

Humidity17%

Indoor Humidity17% (Ideal Humidity)

Dew Point43° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover10%

Visibility10 mi

Cloud Ceiling30000 ft

7 PM

90°
RealFeel® 87°
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
Sunny
alerts

Heat Advisory

10:00 AM Monday - 8:00 PM Friday

RealFeel Shade™87°

WindWSW 8 mph

Air QualityUnhealthy

Max UV Index0.0 (Low)

Wind Gusts10 mph

Humidity21%

Indoor Humidity21% (Ideal Humidity)

Dew Point46° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover8%

Visibility10 mi

Cloud Ceiling30000 ft

8 PM

87°
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
Mostly clear

WindSW 7 mph

Air QualityUnhealthy

Wind Gusts8 mph

Humidity25%

Indoor Humidity25% (Ideal Humidity)

Dew Point47° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover11%

Visibility10 mi

Cloud Ceiling30000 ft

9 PM

84°
RealFeel® 81°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Mostly clear

WindSW 7 mph

Air QualityUnhealthy

Wind Gusts8 mph

Humidity29%

Indoor Humidity29% (Ideal Humidity)

Dew Point49° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover11%

Visibility10 mi

Cloud Ceiling30000 ft

10 PM

80°
RealFeel® 78°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Mostly clear

WindS 6 mph

Air QualityUnhealthy

Wind Gusts7 mph

Humidity34%

Indoor Humidity34% (Ideal Humidity)

Dew Point50° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover15%

Visibility10 mi

Cloud Ceiling30000 ft

11 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

WindSE 6 mph

Air QualityUnhealthy

Wind Gusts6 mph

Humidity38%

Indoor Humidity38% (Ideal Humidity)

Dew Point50° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover18%

Visibility10 mi

Cloud Ceiling30000 ft

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World North America United States California Rialto

Weather Near Rialto:

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