ISLAMORADA, FL 33036 Weather Forecast & Current Conditions

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MARATHON KEY ARPT, FL
Current Weather

8:53 AM EDT APR 4, 2026
Few Clouds
79°F
Feels Like: 81°F
Dewpoint: 68°F
Rel. Hum.: 69%
Visibility: 10 miles
Wind: E at 12 mph, gusts to 22
Pressure: 30.12 inches
Last 72 hours

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ISLAMORADA, FL 33036
Weather Forecast

Snowfall Forecast pages
Snow Depth pages
TODAY
Mostly sunny with a slight chance of showers. Breezy. Highs near 80. East winds 15 to 20 mph. Chance of rain 10 percent.
TONIGHT
Mostly clear with a slight chance of showers. Breezy. Lows in the lower 70s. East winds 15 to 20 mph. Chance of rain 20 percent.
SUNDAY
Mostly sunny with a slight chance of showers. Highs in the lower 80s. East winds near 15 knots, decreasing to 10 to 15 mph. Chance of rain 20 percent.
SUNDAY NIGHT
Mostly clear with a slight chance of showers. Lows in the lower 70s. East winds near 10 mph. Chance of rain 20 percent.
MONDAY
Mostly sunny with a slight chance of showers and a slight chance of thunderstorms. Highs in the lower 80s. Northeast to east winds 5 to 10 mph. Chance of rain 20 percent.
MONDAY NIGHT AND TUESDAY
Mostly cloudy with a chance of showers and a slight chance of thunderstorms. Lows in the lower 70s. Highs near 80. Chance of rain 30 percent.
TUESDAY NIGHT
Mostly cloudy with a chance of showers. Becoming breezy. Lows in the lower 70s. Chance of rain 30 percent.
WEDNESDAY
Partly sunny with a chance of showers and a slight chance of thunderstorms. Breezy. Highs around 80. Chance of rain 50 percent.
WEDNESDAY NIGHT
Mostly cloudy with a chance of showers and a slight chance of thunderstorms. Windy. Lows in the lower 70s. Chance of rain 40 percent.
THURSDAY
Partly sunny with a chance of showers and a slight chance of thunderstorms. Breezy. Highs near 80. Chance of rain 30 percent.
THURSDAY NIGHT
Mostly cloudy with a slight chance of showers. Windy. Lows in the lower 70s. Chance of rain 20 percent.
FRIDAY
Mostly sunny with a slight chance of showers. Breezy. Highs near 80. Chance of rain 20 percent.

Visible Weather Satellite
ISLAMORADA, FL 33036
Infrared Weather Satellite
ISLAMORADA, FL 33036
NEXRAD Weather Radar
ISLAMORADA, FL 33036

MARATHON KEY ARPT, FL 3 hourly weather forecast

weather forecast created  7:00 PM EST  4/ 3/2026
Saturday
4 APR 2026
ISLAMORADA, FL 33036 weather forecast Day 1, 0 hours 1 AM 76° 77° Partly Cloudy 4%

0% Thunder
( 6% severe)
E   14 76% 68°
Low 74° ISLAMORADA, FL 33036 weather forecast Day 1, 3 hours 4 AM 75° 75° Partly Cloudy E   13 79% 68°
High 81° ISLAMORADA, FL 33036 weather forecast Day 1, 6 hours 7 AM 75° 75° Partly Cloudy 4%

0% Thunder
( 7% severe)
E   12 76% 67°

Clear



ISLAMORADA, FL 33036 weather forecast Day 1, 9 hours 10 AM 79° 81° Clear E   14 69% 68°
ISLAMORADA, FL 33036 weather forecast Day 1, 12 hours 1 PM 80° 83° Clear 6%

0% Thunder
( 18% severe)
E   15 69% 69°
ISLAMORADA, FL 33036 weather forecast Day 1, 15 hours 4 PM 80° 83° Clear E   15 69% 69°
ISLAMORADA, FL 33036 weather forecast Day 1, 18 hours 7 PM 77° 79° Partly Cloudy 12%
RAIN
<.01 in
0% Thunder
( 15% severe)
E   14 76% 69°
ISLAMORADA, FL 33036 weather forecast Day 1, 21 hours 10 PM 76° 77° Partly Cloudy E   13 79% 69°
Sunday
5 APR 2026
ISLAMORADA, FL 33036 weather forecast Day 2, 0 hours 1 AM 75° 75° Partly Cloudy 13%
RAIN
<.01 in
0% Thunder
( 11% severe)
E   12 82% 69°
Low 74° ISLAMORADA, FL 33036 weather forecast Day 2, 3 hours 4 AM 75° 75° Partly Cloudy E   12 82% 69°
High 82° ISLAMORADA, FL 33036 weather forecast Day 2, 6 hours 7 AM 75° 75° Partly Cloudy 24%
RAIN
.01–.1 in
0% Thunder
( 11% severe)
E   10 82% 69°

Partly Cloudy

Chance of Rain

ISLAMORADA, FL 33036 weather forecast Day 2, 9 hours 10 AM 79° 82° Partly Cloudy E   12 74% 70°
ISLAMORADA, FL 33036 weather forecast Day 2, 12 hours 1 PM 80° 83° Partly Cloudy 12%
RAIN
<.01 in
0% Thunder
( 14% severe)
E   12 72% 70°
ISLAMORADA, FL 33036 weather forecast Day 2, 15 hours 4 PM 80° 83° Partly Cloudy E   12 72% 70°
ISLAMORADA, FL 33036 weather forecast Day 2, 18 hours 7 PM 77° 79° Partly Cloudy 11%
RAIN
<.01 in
0% Thunder
( 14% severe)
ENE   10 79% 70°
ISLAMORADA, FL 33036 weather forecast Day 2, 21 hours 10 PM 76° 77° Partly Cloudy ENE   9 82% 70°

MARATHON KEY ARPT, FL extended weather forecast

Monday
6 APR 2026
Tuesday
7 APR 2026
Wednesday
8 APR 2026
Thursday
9 APR 2026
Friday
10 APR 2026
Low 74° Low 74° Low 70° Low 71° Low 74°
High 84° High 83° High 81° High 84° High 86°
ISLAMORADA, FL 33036 weather forecast Day 3 ISLAMORADA, FL 33036 weather forecast Day 4 ISLAMORADA, FL 33036 weather forecast Day 5 ISLAMORADA, FL 33036 weather forecast Day 6 ISLAMORADA, FL 33036 weather forecast Day 7
Partly Cloudy
45% Rain
Mostly Cloudy
49% Rain
Overcast
68% Rain
Mostly Cloudy
64% Rain
Partly Cloudy
38% Rain
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