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Keystone Heights, FL

77°F
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Keystone Heights, FL 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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9 AM

80°
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 5%
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Partly sunny

RealFeel Shade™88°

Heat Index85°

WindW 4 mph

Air QualityFair

Max UV Index2.3 (Low)

Wind Gusts4 mph

Humidity91%

Indoor Humidity91% (Extremely Humid)

Dew Point77° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover43%

Visibility10 mi

Cloud Ceiling30000 ft

10 AM

83°
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 6%
Chevron down
Intermittent clouds

RealFeel Shade™91°

Heat Index92°

WindW 6 mph

Air QualityFair

Max UV Index3.4 (Moderate)

Wind Gusts7 mph

Humidity84%

Indoor Humidity84% (Dangerously Humid)

Dew Point78° F

AccuLumen Brightness Index™7 (Bright)

Cloud Cover57%

Visibility10 mi

Cloud Ceiling24300 ft

11 AM

86°
RealFeel® 103°
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.
LEARN MORE
rain drop 7%
Chevron down
Intermittent clouds

RealFeel Shade™95°

Heat Index97°

WindWNW 6 mph

Air QualityFair

Max UV Index5.2 (Moderate)

Wind Gusts7 mph

Humidity76%

Indoor Humidity76% (Extremely Humid)

Dew Point77° F

AccuLumen Brightness Index™7 (Bright)

Cloud Cover60%

Visibility10 mi

Cloud Ceiling30000 ft

12 PM

88°
RealFeel® 105°
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.
LEARN MORE
rain drop 7%
Chevron down
Intermittent clouds

RealFeel Shade™96°

Heat Index100°

WindW 6 mph

Air QualityFair

Max UV Index7.4 (High)

Wind Gusts8 mph

Humidity70%

Indoor Humidity70% (Extremely Humid)

Dew Point77° F

AccuLumen Brightness Index™7 (Bright)

Cloud Cover59%

Visibility10 mi

Cloud Ceiling30000 ft

1 PM

89°
RealFeel® 106°
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.
LEARN MORE
rain drop 11%
Chevron down
Intermittent clouds

RealFeel Shade™97°

Heat Index100°

WindW 7 mph

Air QualityExcellent

Max UV Index8.3 (Very High)

Wind Gusts8 mph

Humidity64%

Indoor Humidity64% (Extremely Humid)

Dew Point76° F

AccuLumen Brightness Index™7 (Bright)

Cloud Cover59%

Visibility10 mi

Cloud Ceiling30000 ft

2 PM

90°
RealFeel® 105°
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.
LEARN MORE
rain drop 19%
Chevron down
Intermittent clouds

RealFeel Shade™97°

Heat Index101°

WindW 7 mph

Air QualityExcellent

Max UV Index6.8 (High)

Wind Gusts8 mph

Humidity62%

Indoor Humidity62% (Extremely Humid)

Dew Point76° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover65%

Visibility10 mi

Cloud Ceiling30000 ft

3 PM

92°
RealFeel® 105°
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.
LEARN MORE
rain drop 19%
Chevron down
Mostly cloudy

RealFeel Shade™99°

Heat Index104°

WindW 7 mph

Air QualityExcellent

Max UV Index3.7 (Moderate)

Wind Gusts9 mph

Humidity59%

Indoor Humidity59% (Extremely Humid)

Dew Point76° F

AccuLumen Brightness Index™5 (Medium)

Cloud Cover76%

Visibility10 mi

Cloud Ceiling24900 ft

4 PM

91°
RealFeel® 102°
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.
LEARN MORE
rain drop 24%
Chevron down
Mostly cloudy

RealFeel Shade™98°

Heat Index103°

WindW 7 mph

Air QualityExcellent

Max UV Index1.9 (Low)

Wind Gusts9 mph

Humidity63%

Indoor Humidity63% (Extremely Humid)

Dew Point76° F

AccuLumen Brightness Index™3 (Dull)

Cloud Cover88%

Visibility10 mi

Cloud Ceiling19800 ft

5 PM

89°
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.
LEARN MORE
rain drop 43%
Chevron down
Cloudy

RealFeel Shade™101°

Heat Index103°

WindW 7 mph

Air QualityExcellent

Max UV Index0.8 (Low)

Wind Gusts10 mph

Humidity67%

Indoor Humidity67% (Extremely Humid)

Dew Point77° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover97%

Visibility10 mi

Cloud Ceiling14700 ft

6 PM

87°
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 47%
Chevron down
Cloudy

RealFeel Shade™98°

Heat Index99°

WindW 7 mph

Air QualityExcellent

Max UV Index0.4 (Low)

Wind Gusts8 mph

Humidity72%

Indoor Humidity72% (Extremely Humid)

Dew Point77° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover98%

Visibility10 mi

Cloud Ceiling15900 ft

7 PM

84°
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 51%
Chevron down
Thunderstorms

RealFeel Shade™93°

Heat Index95°

WindWSW 6 mph

Air QualityExcellent

Max UV Index0.0 (Low)

Wind Gusts6 mph

Humidity79%

Indoor Humidity79% (Extremely Humid)

Dew Point77° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover94%

Rain0.06 in

Visibility5 mi

Cloud Ceiling4000 ft

8 PM

82°
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 51%
Chevron down
Thunderstorms

Heat Index90°

WindWSW 5 mph

Air QualityFair

Wind Gusts6 mph

Humidity86%

Indoor Humidity86% (Extremely Humid)

Dew Point77° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover90%

Rain0.04 in

Visibility6 mi

Cloud Ceiling4000 ft

9 PM

80°
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 47%
Chevron down
Mostly cloudy

Heat Index86°

WindSW 4 mph

Air QualityFair

Wind Gusts5 mph

Humidity94%

Indoor Humidity94% (Dangerously Humid)

Dew Point78° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover88%

Visibility10 mi

Cloud Ceiling22200 ft

10 PM

79°
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 40%
Chevron down
Mostly cloudy

Heat Index83°

WindSW 4 mph

Air QualityFair

Wind Gusts5 mph

Humidity97%

Indoor Humidity95% (Dangerously Humid)

Dew Point78° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover89%

Visibility10 mi

Cloud Ceiling26100 ft

11 PM

78°
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 34%
Chevron down
Cloudy

Heat Index80°

WindSW 4 mph

Air QualityFair

Wind Gusts4 mph

Humidity98%

Indoor Humidity95% (Dangerously Humid)

Dew Point78° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover90%

Visibility10 mi

Cloud Ceiling30000 ft

Hourly Weather Forecast for Keystone Heights

AccuWeather's hourly forecast for Keystone Heights provides hour-by-hour temperatures, RealFeel® Temperature, and precipitation probability through the next 10 days. The current hour shows 80° with a RealFeel® of 95°, partly sunny with a 5% 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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  • Jacksonville, FL
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