ISLAMORADA, FL 33036 Weather Forecast & Current Conditions

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MARATHON KEY ARPT, FL
Current Weather

1:53 AM EDT AUG 8, 2025
Few Clouds
82°F
Feels Like: 89°F
Dewpoint: 75°F
Rel. Hum.: 79%
Visibility: 10 miles
Wind: ESE at 8 mph
Pressure: 29.98 inches
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ISLAMORADA, FL 33036
Weather Forecast

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TONIGHT
Showers likely with a chance of thunderstorms. Lows near 80. East winds 5 to 10 mph, becoming east to southeast and increasing to near 10 mph. Chance of rain 60 percent.
FRIDAY
Showers likely with a chance of thunderstorms. Highs in the upper 80s. East to southeast winds 5 to 10 mph. Chance of rain 70 percent.
FRIDAY NIGHT
Mostly cloudy with a chance of showers and a slight chance of thunderstorms. Lows in the lower 80s. Southeast winds 5 to 10 mph, increasing to near 10 mph. Chance of rain 50 percent.
SATURDAY
Partly sunny with a chance of showers and a slight chance of thunderstorms. Highs near 90. Southeast winds 5 to 10 mph. Chance of rain 50 percent.
SATURDAY NIGHT
Mostly cloudy with a chance of showers and a slight chance of thunderstorms. Lows in the lower 80s. Southeast winds 5 to 10 mph, increasing to near 10 mph. Chance of rain 40 percent.
SUNDAY THROUGH THURSDAY
Partly cloudy with a chance of showers and a slight chance of thunderstorms. Highs near 90. Lows in the lower 80s. Chance of rain 40 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  8:00 PM EDT  8/ 7/2025
Friday
8 AUG 2025
ISLAMORADA, FL 33036 weather forecast Day 1, 0 hours 2 AM 82° 89° Mostly Cloudy 73%
RAIN
.25–.5 in
0% Thunder
( 54% severe)
ESE   7 79% 75°
Low 81° ISLAMORADA, FL 33036 weather forecast Day 1, 3 hours 5 AM 82° 89° Partly Cloudy ESE   7 79% 75°
High 88° ISLAMORADA, FL 33036 weather forecast Day 1, 6 hours 8 AM 83° 91° Mostly Cloudy 76%
RAIN
***
0% Thunder
( 49% severe)
SE   7 80% 76°

Mostly Cloudy

Rain Likely

ISLAMORADA, FL 33036 weather forecast Day 1, 9 hours 11 AM 86° 96° Mostly Cloudy SE   8 72% 76°
ISLAMORADA, FL 33036 weather forecast Day 1, 12 hours 2 PM 86° 96° Mostly Cloudy 52%
RAIN
.01–.1 in
0% Thunder
( 57% severe)
SE   8 72% 76°
ISLAMORADA, FL 33036 weather forecast Day 1, 15 hours 5 PM 86° 96° Partly Cloudy E   7 72% 76°
ISLAMORADA, FL 33036 weather forecast Day 1, 18 hours 8 PM 85° 95° Mostly Cloudy 59%
RAIN
.25–.5 in
0% Thunder
( 55% severe)
E   7 75% 76°
ISLAMORADA, FL 33036 weather forecast Day 1, 21 hours 11 PM 84° 93° Partly Cloudy SE   8 77% 76°
Saturday
9 AUG 2025
ISLAMORADA, FL 33036 weather forecast Day 2, 0 hours 2 AM 84° 93° Partly Cloudy 56%
RAIN
.25–.5 in
0% Thunder
( 45% severe)
SE   9 77% 76°
Low 82° ISLAMORADA, FL 33036 weather forecast Day 2, 3 hours 5 AM 84° 93° Partly Cloudy SSE   8 77% 76°
High 89° ISLAMORADA, FL 33036 weather forecast Day 2, 6 hours 8 AM 84° 93° Partly Cloudy 64%
RAIN
***
0% Thunder
( 42% severe)
SSE   8 77% 76°

Mostly Cloudy

Rain Likely

ISLAMORADA, FL 33036 weather forecast Day 2, 9 hours 11 AM 87° 99° Mostly Cloudy SSE   9 72% 77°
ISLAMORADA, FL 33036 weather forecast Day 2, 12 hours 2 PM 87° 99° Mostly Cloudy 53%
RAIN
1–2 in
0% Thunder
( 52% severe)
SE   9 72% 77°
ISLAMORADA, FL 33036 weather forecast Day 2, 15 hours 5 PM 87° 99° Mostly Cloudy SE   8 72% 77°
ISLAMORADA, FL 33036 weather forecast Day 2, 18 hours 8 PM 85° 95° Mostly Cloudy 58%
RAIN
***
0% Thunder
( 48% severe)
ESE   7 75% 76°
ISLAMORADA, FL 33036 weather forecast Day 2, 21 hours 11 PM 85° 95° Mostly Cloudy SE   7 75% 76°

MARATHON KEY ARPT, FL extended weather forecast

Sunday
10 AUG 2025
Monday
11 AUG 2025
Tuesday
12 AUG 2025
Wednesday
13 AUG 2025
Thursday
14 AUG 2025
Low 78° Low 79° Low 81° Low 80° Low 81°
High 90° High 90° High 91° High 91° High 91°
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
Mostly Cloudy
72% Rain
Partly Cloudy
65% Rain
Partly Cloudy
50% Rain
Partly Cloudy
45% Rain
Partly Cloudy
40% Rain
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