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Winter forecast 2025-26 calls for a snowy season for parts of the US. Get the details. Chevron right

Marathon, FL

84°F
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Marathon

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Marathon, FL Weather
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Today

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 Daily Radar MinuteCast® Monthly Air Quality Health & Activities

1 PM

84°
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 43%
Chevron down
Intermittent clouds
alerts

Coastal Flood Statement

3:57 AM Thursday - 5:00 AM Sunday

RealFeel Shade™89°

WindENE 10 mph

Air QualityFair

Max UV Index5.3 (Moderate)

Wind Gusts21 mph

Humidity70%

Indoor Humidity70% (Extremely Humid)

Dew Point74° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover67%

Visibility10 mi

Cloud Ceiling18300 ft

2 PM

84°
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 58%
Chevron down
Thunderstorms
alerts

Coastal Flood Statement

3:57 AM Thursday - 5:00 AM Sunday

RealFeel Shade™87°

WindENE 10 mph

Air QualityFair

Max UV Index2.4 (Low)

Wind Gusts17 mph

Humidity70%

Indoor Humidity70% (Extremely Humid)

Dew Point73° F

AccuLumen Brightness Index™4 (Dull)

Cloud Cover84%

Rain0.01 in

Visibility10 mi

Cloud Ceiling7100 ft

3 PM

84°
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 66%
Chevron down
Mostly cloudy w/ t-storms
alerts

Coastal Flood Statement

3:57 AM Thursday - 5:00 AM Sunday

RealFeel Shade™88°

WindENE 9 mph

Air QualityFair

Max UV Index1.8 (Low)

Wind Gusts17 mph

Humidity78%

Indoor Humidity78% (Extremely Humid)

Dew Point76° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover70%

Rain0.07 in

Visibility5 mi

Cloud Ceiling4000 ft

4 PM

83°
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 49%
Chevron down
Intermittent clouds
alerts

Coastal Flood Statement

3:57 AM Thursday - 5:00 AM Sunday

RealFeel Shade™89°

WindENE 9 mph

Air QualityFair

Max UV Index1.7 (Low)

Wind Gusts16 mph

Humidity76%

Indoor Humidity76% (Extremely Humid)

Dew Point75° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling7100 ft

5 PM

83°
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 57%
Chevron down
Mostly cloudy w/ t-storms
alerts

Coastal Flood Statement

3:57 AM Thursday - 5:00 AM Sunday

RealFeel Shade™89°

WindENE 9 mph

Air QualityFair

Max UV Index0.8 (Low)

Wind Gusts16 mph

Humidity79%

Indoor Humidity79% (Extremely Humid)

Dew Point76° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover70%

Rain0.07 in

Visibility5 mi

Cloud Ceiling4000 ft

6 PM

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 49%
Chevron down
Intermittent clouds
alerts

Coastal Flood Statement

3:57 AM Thursday - 5:00 AM Sunday

RealFeel Shade™90°

WindENE 9 mph

Air QualityFair

Max UV Index0.5 (Low)

Wind Gusts16 mph

Humidity77%

Indoor Humidity77% (Extremely Humid)

Dew Point75° F

AccuLumen Brightness Index™3 (Dull)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling7100 ft

7 PM

83°
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 38%
Chevron down
Intermittent clouds
alerts

Coastal Flood Statement

3:57 AM Thursday - 5:00 AM Sunday

RealFeel Shade™89°

WindENE 9 mph

Air QualityFair

Max UV Index0.0 (Low)

Wind Gusts15 mph

Humidity78%

Indoor Humidity78% (Extremely Humid)

Dew Point75° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling7100 ft

8 PM

81°
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 17%
Chevron down
Intermittent clouds
alerts

Coastal Flood Statement

3:57 AM Thursday - 5:00 AM Sunday

WindENE 8 mph

Air QualityFair

Wind Gusts15 mph

Humidity81%

Indoor Humidity81% (Extremely Humid)

Dew Point75° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling24800 ft

9 PM

81°
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 17%
Chevron down
Intermittent clouds
alerts

Coastal Flood Statement

3:57 AM Thursday - 5:00 AM Sunday

WindENE 8 mph

Air QualityFair

Wind Gusts17 mph

Humidity83%

Indoor Humidity83% (Extremely Humid)

Dew Point75° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling24900 ft

10 PM

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.
LEARN MORE
rain drop 17%
Chevron down
Intermittent clouds
alerts

Coastal Flood Statement

3:57 AM Thursday - 5:00 AM Sunday

WindENE 9 mph

Air QualityFair

Wind Gusts18 mph

Humidity86%

Indoor Humidity86% (Extremely Humid)

Dew Point75° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling24900 ft

11 PM

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.
LEARN MORE
rain drop 17%
Chevron down
Intermittent clouds
alerts

Coastal Flood Statement

3:57 AM Thursday - 5:00 AM Sunday

WindENE 8 mph

Air QualityFair

Wind Gusts20 mph

Humidity85%

Indoor Humidity85% (Extremely Humid)

Dew Point75° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling24900 ft

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Weather Near Marathon:

  • Fort Lauderdale, FL
  • Hialeah, FL
  • Miami, FL
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