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Signal Hill, CA

78°F
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Signal Hill, CA Weather
Today WinterCast Local {stormName} Tracker Hourly 10-Day Radar MinuteCast® Monthly Air Quality Health & Activities

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Today

Hourly

 10-Day Radar MinuteCast® Monthly Air Quality Health & Activities

View hourly forecasts 10-days ahead

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10 AM

80°
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.
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rain drop 0%
Chevron down
Sunny
alerts

Extreme Heat Warning

10:00 AM Friday - 8:00 PM Thursday

RealFeel Shade™83°

Heat Index82°

WindWSW 1 mph

Air QualityPoor

Max UV Index2.6 (Moderate)

Wind Gusts1 mph

Humidity65%

Indoor Humidity65% (Very Humid)

Dew Point67° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover6%

Visibility10 mi

Cloud Ceiling33400 ft

11 AM

83°
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

Extreme Heat Warning

10:00 AM Friday - 8:00 PM Thursday

RealFeel Shade™84°

Heat Index86°

WindWSW 5 mph

Air QualityPoor

Max UV Index3.8 (Moderate)

Wind Gusts6 mph

Humidity57%

Indoor Humidity57% (Very Humid)

Dew Point67° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover9%

Visibility10 mi

Cloud Ceiling30000 ft

12 PM

86°
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
Mostly sunny
alerts

Extreme Heat Warning

10:00 AM Friday - 8:00 PM Thursday

RealFeel Shade™85°

Heat Index88°

WindWSW 6 mph

Air QualityPoor

Max UV Index4.6 (Moderate)

Wind Gusts8 mph

Humidity50%

Indoor Humidity50% (Humid)

Dew Point65° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover10%

Visibility10 mi

Cloud Ceiling30000 ft

1 PM

88°
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
Mostly sunny
alerts

Extreme Heat Warning

10:00 AM Friday - 8:00 PM Thursday

RealFeel Shade™86°

Heat Index89°

WindWSW 8 mph

Air QualityPoor

Max UV Index4.9 (Moderate)

Wind Gusts13 mph

Humidity44%

Indoor Humidity44% (Humid)

Dew Point63° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover11%

Visibility10 mi

Cloud Ceiling30000 ft

2 PM

89°
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
Mostly sunny
alerts

Extreme Heat Warning

10:00 AM Friday - 8:00 PM Thursday

RealFeel Shade™87°

Heat Index90°

WindWSW 9 mph

Air QualityFair

Max UV Index4.6 (Moderate)

Wind Gusts17 mph

Humidity40%

Indoor Humidity40% (Slightly Humid)

Dew Point62° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover11%

Visibility10 mi

Cloud Ceiling30000 ft

3 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
Mostly sunny
alerts

Extreme Heat Warning

10:00 AM Friday - 8:00 PM Thursday

RealFeel Shade™89°

Heat Index91°

WindW 10 mph

Air QualityFair

Max UV Index3.8 (Moderate)

Wind Gusts17 mph

Humidity37%

Indoor Humidity37% (Slightly Humid)

Dew Point61° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover11%

Visibility10 mi

Cloud Ceiling30000 ft

4 PM

88°
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
Mostly sunny
alerts

Extreme Heat Warning

10:00 AM Friday - 8:00 PM Thursday

RealFeel Shade™85°

Heat Index88°

WindW 10 mph

Air QualityFair

Max UV Index2.6 (Moderate)

Wind Gusts16 mph

Humidity40%

Indoor Humidity40% (Slightly Humid)

Dew Point61° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover11%

Visibility10 mi

Cloud Ceiling30000 ft

5 PM

85°
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 sunny
alerts

Extreme Heat Warning

10:00 AM Friday - 8:00 PM Thursday

RealFeel Shade™83°

Heat Index86°

WindW 10 mph

Air QualityFair

Max UV Index1.7 (Low)

Wind Gusts16 mph

Humidity44%

Indoor Humidity44% (Slightly Humid)

Dew Point62° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover11%

Visibility10 mi

Cloud Ceiling30000 ft

6 PM

82°
RealFeel® 81°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Mostly sunny
alerts

Extreme Heat Warning

10:00 AM Friday - 8:00 PM Thursday

RealFeel Shade™81°

Heat Index83°

WindW 9 mph

Air QualityFair

Max UV Index0.7 (Low)

Wind Gusts13 mph

Humidity51%

Indoor Humidity51% (Humid)

Dew Point63° F

AccuLumen Brightness Index™4 (Dull)

Cloud Cover11%

Visibility10 mi

Cloud Ceiling30000 ft

7 PM

79°
RealFeel® 78°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Mostly clear
alerts

Extreme Heat Warning

10:00 AM Friday - 8:00 PM Thursday

Heat Index80°

WindW 8 mph

Air QualityFair

Wind Gusts10 mph

Humidity59%

Indoor Humidity59% (Humid)

Dew Point64° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover11%

Visibility10 mi

Cloud Ceiling30000 ft

8 PM

76°
RealFeel® 75°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Mostly clear

WindW 7 mph

Air QualityFair

Wind Gusts7 mph

Humidity66%

Indoor Humidity66% (Humid)

Dew Point64° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover11%

Visibility10 mi

Cloud Ceiling30000 ft

9 PM

74°
RealFeel® 73°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Mostly clear

WindWSW 6 mph

Air QualityPoor

Wind Gusts7 mph

Humidity73%

Indoor Humidity73% (Humid)

Dew Point65° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover13%

Visibility10 mi

Cloud Ceiling30000 ft

10 PM

73°
RealFeel® 72°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Mostly clear

WindWSW 5 mph

Air QualityPoor

Wind Gusts6 mph

Humidity75%

Indoor Humidity75% (Humid)

Dew Point64° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover17%

Visibility10 mi

Cloud Ceiling30000 ft

11 PM

72°
RealFeel® 72°
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 Gusts5 mph

Humidity76%

Indoor Humidity76% (Humid)

Dew Point65° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling30000 ft

Hourly Weather Forecast for Signal Hill

AccuWeather's hourly forecast for Signal Hill provides hour-by-hour temperatures, RealFeel® Temperature, and precipitation probability through the next 10 days. The current hour shows 80° with a RealFeel® of 87°, sunny with a 0% chance of precipitation. Each hourly forecast includes wind speed, humidity, air quality, UV index, and the AccuLumen Brightness Index™, AccuWeather's measure of perceived outdoor light intensity. Forecasts are generated by proprietary systems developed by AccuWeather meteorologists since 1962.

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