KEY COLONY BEACH, FL 33051 Weather Forecast & Current Conditions
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  33051 WEATHER WARNINGS (SEVERE T-STORM & TORNADO)
 CURRENT WEATHER

MARATHON KEY ARPT, FL
Current Weather
10:53 AM EDT AUG 2, 2025
Scattered Clouds
88°F
Feels Like: 100°F
Dewpoint: 77°F
Rel. Hum.: 70%
Visibility: 10 miles
Wind: SSE at 7 mph
Pressure: 30.10 inches
Last 72 hours

Local Area Snow Depth

Florida Current Weather

Florida MOS Forecast Weather


Weather Map

(Automated weather data from NWS/FAA)
  33051 WEATHER FORECAST
10-Day model forecast maps
2025 Hurricanes

KEY COLONY BEACH, FL 33051
Weather Forecast

 Snowfall Forecast pages
Snow Depth pages
TODAY
Mostly sunny with a slight chance of showers and thunderstorms. Highs near 90. East to southeast winds near 5 mph. Chance of rain 10 percent.
TONIGHT
Mostly clear with a slight chance of showers and thunderstorms. Lows in the lower 80s. East winds 5 to 10 mph. Chance of rain 10 percent.
SUNDAY
Mostly sunny with a slight chance of showers and thunderstorms. Highs near 90. East to southeast winds 5 to 10 mph. Chance of rain 20 percent.
SUNDAY NIGHT
Mostly clear with a slight chance of showers and thunderstorms. Lows in the lower 80s. Southeast winds 5 to 10 mph. Chance of rain 20 percent.
MONDAY
Mostly sunny with a slight chance of showers and thunderstorms. Highs near 90. Southeast winds 5 to 10 mph. Chance of rain 20 percent.
MONDAY NIGHT
Partly cloudy with a chance of showers and a slight chance of thunderstorms. Lows in the lower 80s. Chance of rain 30 percent.
TUESDAY
Partly cloudy with a chance of showers and a slight chance of thunderstorms. Highs near 90. Chance of rain 40 percent.
TUESDAY NIGHT
Mostly cloudy with a chance of showers and a slight chance of thunderstorms. Lows in the lower 80s. Chance of rain 40 percent.
WEDNESDAY
Partly sunny with a chance of showers and thunderstorms. Highs near 90. Chance of rain 50 percent.
WEDNESDAY NIGHT
Mostly cloudy with a chance of showers and a slight chance of thunderstorms. Lows in the lower 80s. Chance of rain 40 percent.
THURSDAY
Partly cloudy with a chance of showers and a slight chance of thunderstorms. Highs in the upper 80s. Chance of rain 50 percent.
THURSDAY NIGHT
Partly cloudy with a chance of showers and a slight chance of thunderstorms. Lows in the lower 80s. Chance of rain 40 percent.
FRIDAY
Partly sunny with a chance of showers and a slight chance of thunderstorms. Highs in the upper 80s. Chance of rain 50 percent.

  33051 WEATHER SATELLITE LOOPS
Visible Weather Satellite
KEY COLONY BEACH, FL 33051
Infrared Weather Satellite
KEY COLONY BEACH, FL 33051
  33051 WEATHER RADAR LOOP
NEXRAD Weather Radar
KEY COLONY BEACH, FL 33051
 MOS COMPUTER WEATHER FORECAST

MARATHON KEY ARPT, FL 3 hourly weather forecast
weather forecast created  8:00 PM EDT  8/ 1/2025
Saturday
2 AUG 2025		 KEY COLONY BEACH, FL 33051 weather forecast Day 1, 0 hours 2 AM 85° 93° Partly Cloudy 12%
RAIN
<.01 in		 0% Thunder
( 25% severe)		 ESE   6 72% 75°
Low 83° KEY COLONY BEACH, FL 33051 weather forecast Day 1, 3 hours 5 AM 84° 92° Partly Cloudy ESE   6 74% 75°
High 91° KEY COLONY BEACH, FL 33051 weather forecast Day 1, 6 hours 8 AM 85° 95° Partly Cloudy 18%
RAIN
<.01 in		 0% Thunder
( 24% severe)		 ESE   6 75% 76°

Partly Cloudy



 KEY COLONY BEACH, FL 33051 weather forecast Day 1, 9 hours 11 AM 88° 99° Partly Cloudy SE   6 68% 76°
KEY COLONY BEACH, FL 33051 weather forecast Day 1, 12 hours 2 PM 89° 101° Partly Cloudy 5%

 0% Thunder
( 27% severe)		 SE   6 66% 76°
KEY COLONY BEACH, FL 33051 weather forecast Day 1, 15 hours 5 PM 89° 99° Clear SE   3 64% 75°
KEY COLONY BEACH, FL 33051 weather forecast Day 1, 18 hours 8 PM 87° 97° Clear 6%

 0% Thunder
( 25% severe)		 E   3 68% 75°
KEY COLONY BEACH, FL 33051 weather forecast Day 1, 21 hours 11 PM 85° 93° Partly Cloudy E   3 72% 75°
Sunday
3 AUG 2025		 KEY COLONY BEACH, FL 33051 weather forecast Day 2, 0 hours 2 AM 85° 93° Partly Cloudy 7%

 0% Thunder
( 25% severe)		 ESE   5 72% 75°
Low 83° KEY COLONY BEACH, FL 33051 weather forecast Day 2, 3 hours 5 AM 84° 92° Partly Cloudy SE   3 74% 75°
High 91° KEY COLONY BEACH, FL 33051 weather forecast Day 2, 6 hours 8 AM 85° 95° Partly Cloudy 10%
RAIN
<.01 in		 0% Thunder
( 26% severe)		 SE   3 75% 76°

Partly Cloudy



 KEY COLONY BEACH, FL 33051 weather forecast Day 2, 9 hours 11 AM 88° 99° Partly Cloudy SE   5 68% 76°
KEY COLONY BEACH, FL 33051 weather forecast Day 2, 12 hours 2 PM 89° 101° Partly Cloudy 7%

 0% Thunder
( 34% severe)		 ESE   6 66% 76°
KEY COLONY BEACH, FL 33051 weather forecast Day 2, 15 hours 5 PM 89° 101° Clear ESE   5 66% 76°
KEY COLONY BEACH, FL 33051 weather forecast Day 2, 18 hours 8 PM 87° 98° Partly Cloudy 17%
RAIN
<.01 in		 0% Thunder
( 40% severe)		 E   5 70% 76°
KEY COLONY BEACH, FL 33051 weather forecast Day 2, 21 hours 11 PM 85° 95° Clear ESE   6 75% 76°

MARATHON KEY ARPT, FL extended weather forecast
Monday
4 AUG 2025		 Tuesday
5 AUG 2025		 Wednesday
6 AUG 2025		 Thursday
7 AUG 2025		 Friday
8 AUG 2025
Low 81° Low 81° Low 80° Low 78° Low 80°
High 93° High 94° High 90° High 91° High 91°
KEY COLONY BEACH, FL 33051 weather forecast Day 3 KEY COLONY BEACH, FL 33051 weather forecast Day 4 KEY COLONY BEACH, FL 33051 weather forecast Day 5 KEY COLONY BEACH, FL 33051 weather forecast Day 6 KEY COLONY BEACH, FL 33051 weather forecast Day 7
Partly Cloudy
39% Rain		 Partly Cloudy
46% Rain		 Partly Cloudy
67% Rain		 Mostly Cloudy
65% Rain		 Partly Cloudy
56% Rain
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