Marathon, FL Weather Forecast & Current Conditions

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Marathon Weather Map
UTC Time: 10/31/2026, 11:09
Your Time:
Aeronautical Observation: Automated synoptic observations via NWS Gateway.
Auto-refresh in: 5:02

Marathon, FL Regional Weather

Expires:202610311100;;017715
ASUS42 KTBW 311013
RWRFL 
FLORIDA REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE TAMPA BAY RUSKIN FL
600 AM EDT SAT OCT 31 2026

NOTE: "FAIR" INDICATES FEW OR NO CLOUDS BELOW 12,000 FEET WITH NO
SIGNIFICANT WEATHER AND/OR OBSTRUCTIONS TO VISIBILITY.


FLZ066-069-070-075>078-162-262-165-265-311100-
SOUTHWEST FLORIDA AND KEYS
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
PUNTA GORDA    PTCLDY    73  72  96 NE10      30.04S                  
FT MYERS       CLOUDY    75  73  93 E9        30.01R                  
SOUTHWEST INTL LGT RAIN  75  73  93 NE12      30.02R                  
NAPLES         PTCLDY    75  73  93 NE10      30.00S                  
MARCO ISLAND   CLEAR     75  73  93 NE8       30.01R                  
MARATHON       PTCLDY    81  76  84 E10       29.96S                  
KEY WEST NAS   PTCLDY    79  76  90 N5        29.96                   
KEY WEST INTL  PTCLDY    78  75  90 NE6       29.96S                  

STATION/POSITION SKY/WX   TEMP    WIND        PRES    WAVE   SWELL
                          AIR SEA DIR/SP/G            HT/PER HT/PER
                          (F)     (DEG/KT/KT) (MB)    (FT/S) (FT/S)
NAPLES           NOT AVBL
DRY TORTUGAS     NOT AVBL
SAND KEY                   80      50/ 11/ 13 1014.4S
SOMBRERO KEY               82     100/ 11/ 13 1014.7S
LONG KEY                   81     120/ 11/ 13 1014.0R

$$

SKY/WX - Weather  TMP - Temperature  DP - Dew Point  RH - Humidity
WIND - Wind Direction/Speed PRES - Barometric Pressure VSB - Visibility
WCI - Wind Chill Index E13G22 Wind - East Wind 13 mph/Gusts of 22 mph

Marathon, FL

Today
Thunderstorms
82°/ 78° 28°/ 26°
60%
Sun-Sun Night
Thunderstorms
82°28°
70%
Monday
Thunderstorms
82°/ 75° 28°/ 24°
60%
Tuesday
Rain Showers
82°/ 75° 28°/ 24°
20%
Wednesday
Thunderstorms
82°/ 75° 28°/ 24°
20%
Thursday
Thunderstorms
82°/ 75° 28°/ 24°
20%
Friday
Rain Showers
82°28°
10%

Day: Partly cloudy with a chance of showers and a slight chance of thunderstorms. Highs in the lower 80s. Northeast to east winds near 10 mph, increasing to 10 to 15 mph. Chance of rain 40 percent.

Night: Showers likely with a slight chance of thunderstorms. Lows in the mid to upper 70s. Northeast to east winds near 15 mph, becoming east. Chance of rain 60 percent.

Key West, FL

Today
Thunderstorms
82°/ 78° 28°/ 26°
50%
Sunday
Thunderstorms
82°/ 75° 28°/ 24°
70%
Monday
Thunderstorms
82°/ 75° 28°/ 24°
40%
Tuesday
Sunny
82°/ 75° 28°/ 24°
10%
Wednesday
Thunderstorms
82°/ 75° 28°/ 24°
20%
Thursday
Thunderstorms
82°/ 75° 28°/ 24°
10%

Day: Partly sunny with a chance of showers and a slight chance of thunderstorms. Highs in the lower 80s. Northeast to east winds near 10 mph, increasing to 10 to 15 mph. Chance of rain 40 percent.

Night: Mostly cloudy with a chance of showers and a slight chance of thunderstorms. Lows in the upper 70s. Northeast to east winds near 15 mph, becoming east. Chance of rain 50 percent.

Key Largo, FL

Today
Thunderstorms
82°/ 78° 28°/ 26°
60%
Sun-Sun Night
Thunderstorms
82°28°
70%
Monday
Thunderstorms
82°/ 75° 28°/ 24°
60%
Tuesday
Rain Showers
82°/ 75° 28°/ 24°
20%
Wednesday
Thunderstorms
82°/ 75° 28°/ 24°
20%
Thursday
Thunderstorms
82°/ 75° 28°/ 24°
20%
Friday
Rain Showers
82°28°
10%

Day: Partly cloudy with a chance of showers and a slight chance of thunderstorms. Highs in the lower 80s. Northeast to east winds near 10 mph, increasing to 10 to 15 mph. Chance of rain 40 percent.

Night: Showers likely with a slight chance of thunderstorms. Lows in the mid to upper 70s. Northeast to east winds near 15 mph, becoming east. Chance of rain 60 percent.

Northwest Cape Sable, FL

Today
Thunderstorms
85°/ 75° 29°/ 24°
70%
Sunday
Thunderstorms
85°/ 72° 29°/ 22°
90%
Monday
Thunderstorms
85°/ 72° 29°/ 22°
70%
Tuesday
Rain Showers
85°/ 72° 29°/ 22°
50%
Wednesday
Rain Showers
85°/ 72° 29°/ 22°
40%
Thursday
Sunny
85°/ 70° 29°/ 21°
0%
Friday
Sunny
85°29°
0%

Day: Mostly sunny. A chance of showers with a slight chance of thunderstorms this morning, then showers likely with a chance of thunderstorms this afternoon. Highs in the mid 80s. East winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 70 percent.

Night: Mostly cloudy with a chance of showers. A chance of thunderstorms, mainly in the evening. Humid with lows in the mid 70s. Northeast winds 5 to 10 mph with gusts up to 25 mph. Chance of rain 50 percent.

Fortymile Bend, FL

Today
Thunderstorms
85°/ 75° 29°/ 24°
50%
Sunday
Thunderstorms
85°/ 75° 29°/ 24°
90%
Monday
Thunderstorms
85°/ 72° 29°/ 22°
80%
Tuesday
Thunderstorms
88°/ 72° 31°/ 22°
50%
Wednesday
Thunderstorms
88°/ 72° 31°/ 22°
50%
Thursday
Sunny
88°/ 72° 31°/ 22°
0%
Friday
Sunny
85°29°
0%

Day: Partly sunny with a chance of showers. A slight chance of thunderstorms this morning, then a chance of thunderstorms this afternoon. Highs in the mid 80s. East winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 50 percent.

Night: Mostly cloudy with a chance of showers and thunderstorms. Lows in the mid 70s. East winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 50 percent.

Hialeah, FL

Today
Thunderstorms
85°/ 75° 29°/ 24°
50%
Sunday
Thunderstorms
82°/ 75° 28°/ 24°
90%
Monday
Thunderstorms
82°/ 72° 28°/ 22°
90%
Tuesday
Thunderstorms
85°/ 72° 29°/ 22°
40%
Wednesday
Thunderstorms
85°/ 72° 29°/ 22°
40%
Thursday
Sunny
85°/ 72° 29°/ 22°
0%
Friday
Sunny
85°29°
0%

Day: Partly sunny with a chance of showers. A slight chance of thunderstorms this morning, then a chance of thunderstorms this afternoon. Highs in the mid 80s. East winds 10 to 15 mph. Gusts up to 30 mph. Chance of rain 50 percent.

Night: Mostly cloudy with a chance of showers and thunderstorms. Humid with lows in the mid 70s. East winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 50 percent.

Miami, FL

Today
Thunderstorms
85°/ 75° 29°/ 24°
70%
Sunday
Thunderstorms
80°/ 78° 27°/ 26°
90%
Monday
Thunderstorms
82°/ 75° 28°/ 24°
90%
Tuesday
Rain Showers
85°/ 75° 29°/ 24°
40%
Wednesday
Rain Showers
85°/ 75° 29°/ 24°
40%
Thursday
Sunny
85°/ 72° 29°/ 22°
0%
Friday
Sunny
85°29°
0%

Day: Mostly sunny with a chance of showers. A slight chance of thunderstorms this morning, then a chance of thunderstorms this afternoon. Highs in the mid 80s. East winds 15 to 20 mph with gusts up to 25 mph. Chance of rain 50 percent.

Night: Mostly cloudy with a chance of thunderstorms. A chance of showers in the evening, then showers likely after midnight. Humid with lows in the mid 70s. East winds 15 to 20 mph with gusts up to 25 mph. Chance of rain 70 percent.

Bonita Shores, FL

Today
Thunderstorms
85°/ 75° 29°/ 24°
50%
Sunday
Thunderstorms
85°/ 72° 29°/ 22°
90%
Monday
Thunderstorms
85°/ 72° 29°/ 22°
70%
Tuesday
Rain Showers
85°/ 72° 29°/ 22°
50%
Wednesday
Sunny
85°/ 72° 29°/ 22°
0%
Thursday
Sunny
85°/ 70° 29°/ 21°
0%
Friday
Sunny
85°29°
0%

Day: Partly sunny. A slight chance of showers this morning, then a chance of showers and thunderstorms this afternoon. Highs in the mid 80s. East winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 50 percent.

Night: Mostly cloudy with a chance of showers and thunderstorms in the evening, then partly cloudy with a slight chance of showers after midnight. Lows in the mid 70s. East winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 40 percent.

Golden Gate, FL

Today
Thunderstorms
85°/ 72° 29°/ 22°
50%
Sunday
Thunderstorms
85°/ 72° 29°/ 22°
90%
Monday
Thunderstorms
85°/ 70° 29°/ 21°
70%
Tuesday
Thunderstorms
88°/ 70° 31°/ 21°
50%
Wednesday
Thunderstorms
88°/ 68° 31°/ 20°
50%
Thursday
Rain Showers
88°/ 68° 31°/ 20°
30%
Friday
Sunny
85°29°
0%

Day: Partly sunny with a chance of showers. A slight chance of thunderstorms this morning, then a chance of thunderstorms this afternoon. Highs in the mid 80s. East winds 5 to 10 mph with gusts up to 25 mph. Chance of rain 50 percent.

Night: Mostly cloudy. A chance of showers and thunderstorms, mainly in the evening. Lows in the lower 70s. Northeast winds 5 to 10 mph. Gusts up to 25 mph in the evening. Chance of rain 40 percent.

Hollywood, FL

Today
Thunderstorms
85°/ 75° 29°/ 24°
50%
Sunday
Thunderstorms
82°/ 75° 28°/ 24°
90%
Monday
Thunderstorms
82°/ 72° 28°/ 22°
90%
Tuesday
Thunderstorms
85°/ 72° 29°/ 22°
50%
Wednesday
Rain Showers
85°/ 72° 29°/ 22°
50%
Thursday
Sunny
85°/ 72° 29°/ 22°
0%
Friday
Sunny
85°29°
0%

Day: Partly sunny with a chance of showers. A slight chance of thunderstorms this morning, then a chance of thunderstorms this afternoon. Highs in the mid 80s. East winds 10 to 15 mph with gusts up to 30 mph. Chance of rain 50 percent.

Night: Mostly cloudy with a chance of showers and thunderstorms. Lows in the mid 70s. East winds 10 to 15 mph with gusts up to 30 mph. Chance of rain 50 percent.

Fort Lauderdale, FL

Today
Thunderstorms
82°/ 78° 28°/ 26°
70%
Sunday
Thunderstorms
82°/ 75° 28°/ 24°
90%
Monday
Thunderstorms
82°/ 72° 28°/ 22°
90%
Tuesday
Thunderstorms
85°/ 75° 29°/ 24°
50%
Wednesday
Thunderstorms
85°/ 72° 29°/ 22°
50%
Thursday
Rain Showers
85°/ 72° 29°/ 22°
30%
Friday
Sunny
82°28°
0%

Day: Partly sunny with a chance of showers. A slight chance of thunderstorms this morning, then a chance of thunderstorms this afternoon. Breezy with highs in the lower 80s. East winds 15 to 25 mph with gusts up to 30 mph. Chance of rain 50 percent.

Night: Mostly cloudy with a chance of thunderstorms. A chance of showers in the evening, then showers likely after midnight. Windy . Near steady temperature in the upper 70s. East winds 20 to 30 mph with gusts up to 35 mph. Chance of rain 70 percent.

Miccosukee Indian Reservation, FL

Today
Thunderstorms
85°/ 75° 29°/ 24°
50%
Sunday
Thunderstorms
82°/ 72° 28°/ 22°
90%
Monday
Thunderstorms
82°/ 72° 28°/ 22°
90%
Tuesday
Thunderstorms
85°/ 72° 29°/ 22°
50%
Wednesday
Thunderstorms
85°/ 72° 29°/ 22°
50%
Thursday
Rain Showers
85°/ 68° 29°/ 20°
30%
Friday
Sunny
85°29°
0%

Day: Partly sunny with a chance of showers. A slight chance of thunderstorms this morning, then a chance of thunderstorms this afternoon. Highs in the mid 80s. East winds 10 to 15 mph with gusts up to 30 mph. Chance of rain 50 percent.

Night: Mostly cloudy with a chance of showers. A chance of thunderstorms, mainly in the evening. Lows in the mid 70s. East winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 50 percent.

Cape Coral, FL

Today
Thunderstorms
85°/ 72° 29°/ 22°
40%
Sunday
Thunderstorms
82°/ 70° 28°/ 21°
70%
Monday
Thunderstorms
82°/ 70° 28°/ 21°
70%
Tue-Tue Night
Thunderstorms
85°29°
40%
Wed-Wed Night
Thunderstorms
85°29°
20%
Thu-Thu Night
Thunderstorms
82°28°
20%
Friday
Sunny
82°28°
0%

Day: Partly sunny. A chance of showers with a slight chance of thunderstorms this afternoon. Highs in the mid 80s. East winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 40 percent.

Night: Mostly cloudy with a slight chance of showers and thunderstorms in the evening, then partly cloudy after midnight. Lows in the lower 70s. East winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 20 percent.

Felda, FL

Today
Thunderstorms
85°/ 72° 29°/ 22°
50%
Sunday
Thunderstorms
82°/ 68° 28°/ 20°
70%
Monday
Thunderstorms
82°/ 68° 28°/ 20°
80%
Tuesday
Thunderstorms
85°/ 68° 29°/ 20°
50%
Wednesday
Rain Showers
85°/ 68° 29°/ 20°
50%
Thursday
Rain Showers
85°/ 65° 29°/ 18°
30%
Friday
Sunny
85°29°
0%

Day: Mostly sunny. A chance of showers and thunderstorms this afternoon. Highs in the mid 80s. East winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 50 percent.

Night: Mostly cloudy. A chance of showers and thunderstorms in the evening, then a slight chance of showers after midnight. Lows in the lower 70s. East winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 30 percent.

Fort Myers, FL

Today
Thunderstorms
85°/ 72° 29°/ 22°
40%
Sunday
Thunderstorms
85°/ 70° 29°/ 21°
70%
Monday
Thunderstorms
82°/ 68° 28°/ 20°
70%
Tue-Tue Night
Thunderstorms
85°29°
40%
Wed-Wed Night
Thunderstorms
85°29°
30%
Thu-Thu Night
Thunderstorms
85°29°
20%
Friday
Sunny
85°29°
0%

Day: Partly sunny. A chance of showers with a slight chance of thunderstorms this afternoon. Highs in the mid 80s. East winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 40 percent.

Night: Mostly cloudy. A slight chance of showers and thunderstorms in the evening. Lows in the lower 70s. East winds 10 to 15 mph. Chance of rain 20 percent.

West Palm Beach, FL

Today
Thunderstorms
82°/ 78° 28°/ 26°
50%
Sunday
Thunderstorms
82°/ 72° 28°/ 22°
90%
Monday
Thunderstorms
82°/ 75° 28°/ 24°
90%
Tuesday
Thunderstorms
82°/ 75° 28°/ 24°
50%
Wednesday
Rain Showers
82°/ 72° 28°/ 22°
50%
Thursday
Rain Showers
82°/ 72° 28°/ 22°
30%
Friday
Sunny
82°28°
0%

Day: Partly sunny with a chance of showers with a slight chance of thunderstorms. Breezy with highs in the lower 80s. East winds 15 to 25 mph with gusts up to 30 mph. Chance of rain 40 percent.

Night: Mostly cloudy with a chance of showers and thunderstorms. Windy. Near steady temperature in the upper 70s. East winds 20 to 30 mph with gusts up to 35 mph. Chance of rain 50 percent.

Lion Country Safari Park, FL

Today
Thunderstorms
85°/ 75° 29°/ 24°
40%
Sunday
Thunderstorms
82°/ 72° 28°/ 22°
70%
Monday
Thunderstorms
82°/ 72° 28°/ 22°
90%
Tuesday
Thunderstorms
85°/ 72° 29°/ 22°
50%
Wednesday
Rain Showers
85°/ 70° 29°/ 21°
50%
Thursday
Rain Showers
85°/ 68° 29°/ 20°
30%
Friday
Sunny
85°29°
0%

Day: Partly sunny with a slight chance of thunderstorms. A slight chance of showers this morning, then a chance of showers this afternoon. Highs in the mid 80s. East winds 10 to 15 mph with gusts up to 30 mph. Chance of rain 40 percent.

Night: Mostly cloudy with a slight chance of showers and thunderstorms. Lows in the mid 70s. East winds 10 to 15 mph with gusts up to 30 mph. Chance of rain 20 percent.

Boynton Beach, FL

Today
Thunderstorms
85°/ 75° 29°/ 24°
50%
Sunday
Thunderstorms
82°/ 72° 28°/ 22°
90%
Monday
Thunderstorms
82°/ 72° 28°/ 22°
90%
Tuesday
Thunderstorms
85°/ 72° 29°/ 22°
50%
Wednesday
Rain Showers
85°/ 72° 29°/ 22°
50%
Thursday
Rain Showers
85°/ 70° 29°/ 21°
30%
Friday
Sunny
85°29°
0%

Day: Partly sunny with a chance of showers with a slight chance of thunderstorms. Highs in the mid 80s. East winds 10 to 15 mph with gusts up to 30 mph. Chance of rain 40 percent.

Night: Mostly cloudy with a chance of showers and thunderstorms. Lows in the mid 70s. East winds 10 to 15 mph with gusts up to 30 mph. Chance of rain 50 percent.

Muse, FL

Today
Thunderstorms
85°/ 72° 29°/ 22°
30%
Sunday
Thunderstorms
82°/ 68° 28°/ 20°
70%
Monday
Thunderstorms
82°/ 68° 28°/ 20°
80%
Tuesday
Thunderstorms
85°/ 68° 29°/ 20°
50%
Wednesday
Rain Showers
85°/ 68° 29°/ 20°
40%
Thursday
Rain Showers
85°/ 65° 29°/ 18°
30%
Friday
Sunny
85°29°
0%

Day: Mostly sunny. A chance of showers and thunderstorms this afternoon. Highs in the mid 80s. East winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 30 percent.

Night: Mostly cloudy. A chance of showers and thunderstorms in the evening, then a slight chance of showers after midnight. Lows in the lower 70s. East winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 30 percent.

Babcock Ranch, FL

Today
Thunderstorms
85°/ 72° 29°/ 22°
30%
Sunday
Thunderstorms
82°/ 68° 28°/ 20°
70%
Monday
Thunderstorms
82°/ 68° 28°/ 20°
70%
Tue-Tue Night
Thunderstorms
85°29°
40%
Wed-Wed Night
Thunderstorms
85°29°
40%
Thu-Thu Night
Thunderstorms
85°29°
30%
Friday
Sunny
85°29°
0%

Day: Partly sunny. A chance of showers with a slight chance of thunderstorms this afternoon. Highs in the mid 80s. East winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 30 percent.

Night: Mostly cloudy with a slight chance of showers and thunderstorms in the evening, then partly cloudy after midnight. Lows in the lower 70s. East winds 10 to 15 mph. Chance of rain 20 percent.

Names listed above may include county names.

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