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St Marks, FL

74°F
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St Marks

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St Marks, FL Weather
Today WinterCast Local {stormName} Tracker Hourly 10-Day Radar MinuteCast® Monthly Air Quality Health & Activities

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7 AM

76°
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.
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rain drop 40%
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Showers

RealFeel Shade™84°

WindW 2 mph

Air QualityFair

Max UV Index0.3 (Low)

Wind Gusts2 mph

Humidity99%

Indoor Humidity95% (Extremely Humid)

Dew Point75° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover94%

Rain0.01 in

Visibility10 mi

Cloud Ceiling10000 ft

8 AM

79°
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.
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rain drop 25%
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Partly sunny

RealFeel Shade™87°

Heat Index81°

WindNW 2 mph

Air QualityFair

Max UV Index2.0 (Low)

Wind Gusts2 mph

Humidity91%

Indoor Humidity91% (Extremely Humid)

Dew Point76° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover45%

Visibility10 mi

Cloud Ceiling30000 ft

9 AM

82°
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 20%
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Partly sunny

RealFeel Shade™91°

Heat Index89°

WindWNW 2 mph

Air QualityFair

Max UV Index3.3 (Moderate)

Wind Gusts4 mph

Humidity83%

Indoor Humidity83% (Extremely Humid)

Dew Point76° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover34%

Visibility10 mi

Cloud Ceiling30000 ft

10 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 20%
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Mostly sunny

RealFeel Shade™94°

Heat Index96°

WindW 4 mph

Air QualityFair

Max UV Index4.9 (Moderate)

Wind Gusts4 mph

Humidity72%

Indoor Humidity72% (Extremely Humid)

Dew Point76° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover26%

Visibility10 mi

Cloud Ceiling30000 ft

11 AM

89°
RealFeel® 107°
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 20%
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Partly sunny

RealFeel Shade™97°

Heat Index100°

WindW 5 mph

Air QualityFair

Max UV Index8.0 (Very High)

Wind Gusts6 mph

Humidity64%

Indoor Humidity64% (Extremely Humid)

Dew Point76° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover33%

Visibility10 mi

Cloud Ceiling30000 ft

12 PM

91°
RealFeel® 108°
Dangerous Heat
RealFeel Guide
Dangerous Heat
108° to 115°
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 20%
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Partly sunny

RealFeel Shade™98°

Heat Index102°

WindW 6 mph

Air QualityFair

Max UV Index10.9 (Extreme)

Wind Gusts7 mph

Humidity59%

Indoor Humidity59% (Extremely Humid)

Dew Point75° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover45%

Visibility10 mi

Cloud Ceiling30000 ft

1 PM

94°
RealFeel® 111°
Dangerous Heat
RealFeel Guide
Dangerous Heat
108° to 115°
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 25%
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Partly sunny

RealFeel Shade™99°

Heat Index105°

WindSW 7 mph

Air QualityFair

Max UV Index11.9 (Extreme)

Wind Gusts10 mph

Humidity52%

Indoor Humidity52% (Extremely Humid)

Dew Point74° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover45%

Visibility10 mi

Cloud Ceiling30000 ft

2 PM

92°
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 51%
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Partly sunny w/ t-storms

RealFeel Shade™96°

Heat Index103°

WindS 7 mph

Air QualityFair

Max UV Index10.2 (Very High)

Wind Gusts14 mph

Humidity58%

Indoor Humidity58% (Extremely Humid)

Dew Point75° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover45%

Rain0.06 in

Visibility5 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 47%
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Partly sunny

RealFeel Shade™97°

Heat Index101°

WindS 8 mph

Air QualityFair

Max UV Index8.0 (Very High)

Wind Gusts15 mph

Humidity55%

Indoor Humidity55% (Extremely Humid)

Dew Point74° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover45%

Visibility10 mi

Cloud Ceiling30000 ft

4 PM

91°
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 34%
Chevron down
Partly sunny

RealFeel Shade™97°

Heat Index101°

WindS 9 mph

Air QualityFair

Max UV Index4.9 (Moderate)

Wind Gusts15 mph

Humidity58%

Indoor Humidity58% (Extremely Humid)

Dew Point75° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover45%

Visibility10 mi

Cloud Ceiling30000 ft

5 PM

90°
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 15%
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Partly sunny

RealFeel Shade™97°

Heat Index101°

WindS 9 mph

Air QualityFair

Max UV Index3.3 (Moderate)

Wind Gusts16 mph

Humidity61%

Indoor Humidity61% (Extremely Humid)

Dew Point75° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover45%

Visibility10 mi

Cloud Ceiling30000 ft

6 PM

89°
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 15%
Chevron down
Partly sunny

RealFeel Shade™96°

Heat Index100°

WindS 8 mph

Air QualityFair

Max UV Index2.0 (Low)

Wind Gusts14 mph

Humidity63%

Indoor Humidity63% (Extremely Humid)

Dew Point76° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover45%

Visibility10 mi

Cloud Ceiling30000 ft

7 PM

88°
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 19%
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Partly sunny

RealFeel Shade™98°

Heat Index99°

WindSSW 7 mph

Air QualityFair

Max UV Index0.9 (Low)

Wind Gusts9 mph

Humidity66%

Indoor Humidity66% (Extremely Humid)

Dew Point76° F

AccuLumen Brightness Index™4 (Dull)

Cloud Cover45%

Visibility10 mi

Cloud Ceiling30000 ft

8 PM

86°
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%
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Thunderstorms

RealFeel Shade™93°

Heat Index97°

WindSW 6 mph

Air QualityFair

Max UV Index0.0 (Low)

Wind Gusts7 mph

Humidity72%

Indoor Humidity72% (Extremely Humid)

Dew Point76° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover89%

Rain0.04 in

Visibility6 mi

Cloud Ceiling4000 ft

9 PM

84°
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 47%
Chevron down
Cloudy

Heat Index93°

WindSW 5 mph

Air QualityFair

Wind Gusts6 mph

Humidity76%

Indoor Humidity76% (Extremely Humid)

Dew Point76° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover91%

Visibility10 mi

Cloud Ceiling30000 ft

10 PM

82°
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
Cloudy

Heat Index89°

WindSSW 5 mph

Air QualityFair

Wind Gusts6 mph

Humidity82%

Indoor Humidity82% (Extremely Humid)

Dew Point76° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover90%

Visibility10 mi

Cloud Ceiling30000 ft

11 PM

80°
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 34%
Chevron down
Mostly cloudy

Heat Index84°

WindSSW 5 mph

Air QualityFair

Wind Gusts5 mph

Humidity87%

Indoor Humidity87% (Extremely Humid)

Dew Point76° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover85%

Visibility10 mi

Cloud Ceiling30000 ft

Hourly Weather Forecast for St. Marks

AccuWeather's hourly forecast for St. Marks provides hour-by-hour temperatures, RealFeel® Temperature, and precipitation probability through the next 10 days. The current hour shows 76° with a RealFeel® of 84°, showers with a 40% 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 St Marks:

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