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Peak hurricane season is this week. Here's when the next storm may form. Chevron right

Hercules, CA

82°F
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Hercules

California

82°
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Hercules, CA Weather
Today WinterCast Local {stormName} Tracker Hourly 10-Day Radar MinuteCast® Monthly Air Quality Health & Activities

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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
Partly sunny
alerts

Heat Advisory

10:00 AM Wednesday - 10:00 PM Thursday

RealFeel Shade™83°

Heat Index84°

WindWNW 6 mph

Air QualityFair

Max UV Index5.9 (High)

Wind Gusts6 mph

Humidity32%

Indoor Humidity32% (Ideal Humidity)

Dew Point53° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover30%

Visibility10 mi

Cloud Ceiling34000 ft

1 PM

89°
RealFeel® 95°
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 Wednesday - 10:00 PM Thursday

RealFeel Shade™86°

Heat Index86°

WindW 6 mph

Air QualityFair

Max UV Index6.6 (High)

Wind Gusts7 mph

Humidity27%

Indoor Humidity27% (Ideal Humidity)

Dew Point51° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover46%

Visibility10 mi

Cloud Ceiling30000 ft

2 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
Partly sunny
alerts

Heat Advisory

10:00 AM Wednesday - 10:00 PM Thursday

RealFeel Shade™88°

Heat Index88°

WindW 14 mph

Air QualityFair

Max UV Index5.9 (High)

Wind Gusts16 mph

Humidity23%

Indoor Humidity23% (Ideal Humidity)

Dew Point49° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover46%

Visibility10 mi

Cloud Ceiling30000 ft

3 PM

94°
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
Partly sunny
alerts

Heat Advisory

10:00 AM Wednesday - 10:00 PM Thursday

RealFeel Shade™90°

Heat Index91°

WindW 15 mph

Air QualityFair

Max UV Index4.6 (Moderate)

Wind Gusts20 mph

Humidity21%

Indoor Humidity21% (Ideal Humidity)

Dew Point49° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover46%

Visibility10 mi

Cloud Ceiling30000 ft

4 PM

96°
RealFeel® 95°
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 Wednesday - 10:00 PM Thursday

RealFeel Shade™92°

Heat Index93°

WindW 16 mph

Air QualityFair

Max UV Index3.4 (Moderate)

Wind Gusts28 mph

Humidity21%

Indoor Humidity21% (Ideal Humidity)

Dew Point51° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover46%

Visibility10 mi

Cloud Ceiling30000 ft

5 PM

95°
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
Partly sunny
alerts

Heat Advisory

10:00 AM Wednesday - 10:00 PM Thursday

RealFeel Shade™91°

Heat Index92°

WindWSW 16 mph

Air QualityFair

Max UV Index2.2 (Low)

Wind Gusts30 mph

Humidity23%

Indoor Humidity23% (Ideal Humidity)

Dew Point52° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover46%

Visibility10 mi

Cloud Ceiling30000 ft

6 PM

92°
RealFeel® 89°
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 Wednesday - 10:00 PM Thursday

RealFeel Shade™88°

Heat Index89°

WindWSW 16 mph

Air QualityFair

Max UV Index1.2 (Low)

Wind Gusts30 mph

Humidity25%

Indoor Humidity25% (Ideal Humidity)

Dew Point52° F

AccuLumen Brightness Index™7 (Bright)

Cloud Cover46%

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.
LEARN MORE
rain drop 0%
Chevron down
Partly sunny
alerts

Heat Advisory

10:00 AM Wednesday - 10:00 PM Thursday

RealFeel Shade™85°

Heat Index86°

WindWSW 15 mph

Air QualityPoor

Max UV Index0.2 (Low)

Wind Gusts27 mph

Humidity28%

Indoor Humidity28% (Ideal Humidity)

Dew Point51° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover46%

Visibility10 mi

Cloud Ceiling30000 ft

8 PM

85°
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%
Chevron down
Mostly clear
alerts

Heat Advisory

10:00 AM Wednesday - 10:00 PM Thursday

Heat Index83°

WindWSW 7 mph

Air QualityPoor

Wind Gusts12 mph

Humidity33%

Indoor Humidity33% (Ideal Humidity)

Dew Point52° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover26%

Visibility10 mi

Cloud Ceiling30000 ft

9 PM

81°
RealFeel® 79°
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 Wednesday - 10:00 PM Thursday

Heat Index80°

WindWSW 6 mph

Air QualityPoor

Wind Gusts10 mph

Humidity37%

Indoor Humidity37% (Ideal Humidity)

Dew Point53° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover26%

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 Wednesday - 10:00 PM Thursday

WindSW 6 mph

Air QualityPoor

Wind Gusts8 mph

Humidity43%

Indoor Humidity43% (Ideal Humidity)

Dew Point54° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover26%

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
Mostly clear
alerts

Heat Advisory

10:00 AM Wednesday - 10:00 PM Thursday

WindSW 6 mph

Air QualityPoor

Wind Gusts7 mph

Humidity50%

Indoor Humidity50% (Ideal Humidity)

Dew Point54° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover26%

Visibility10 mi

Cloud Ceiling30000 ft

Hourly Weather Forecast for Hercules

AccuWeather's hourly forecast for Hercules provides hour-by-hour temperatures, RealFeel® Temperature, and precipitation probability through the next 10 days. The current hour shows 86° with a RealFeel® of 92°, partly 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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Weather Near Hercules:

  • Oakland, CA
  • San Francisco, CA
  • San Jose, CA
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