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Weather Marathon
Florida · United States
Sat, 12/20
09:31 PM EST
Weather Marathon
now
72°
90 Min. Weather
clear
10:00 PM
72
°
5 %
11:00 PM
73
°
5 %
12:00 AM
75
°
5 %
01:00 AM
74
°
5 %
02:00 AM
74
°
5 %
03:00 AM
74
°
5 %
04:00 AM
74
°
5 %
05:00 AM
74
°
5 %
06:00 AM
74
°
5 %
07:00 AM
74
°
10 %
08:00 AM
74
°
5 %
09:00 AM
76
°
5 %
10:00 AM
78
°
5 %
11:00 AM
79
°
5 %
12:00 PM
80
°
0 %
01:00 PM
80
°
5 %
02:00 PM
80
°
5 %
03:00 PM
80
°
5 %
04:00 PM
79
°
5 %
05:00 PM
78
°
10 %
06:00 PM
77
°
10 %
07:00 PM
76
°
10 %
08:00 PM
76
°
10 %
09:00 PM
76
°
10 %
10:00 PM
75
°
10 %
11:00 PM
75
°
10 %
12:00 AM
75
°
10 %
01:00 AM
75
°
10 %
02:00 AM
74
°
10 %
03:00 AM
74
°
10 %
04:00 AM
73
°
10 %
05:00 AM
73
°
20 %
06:00 AM
73
°
10 %
07:00 AM
73
°
10 %
08:00 AM
74
°
10 %
09:00 AM
75
°
10 %
10:00 AM
76
°
10 %
11:00 AM
77
°
10 %
12:00 PM
78
°
10 %
01:00 PM
78
°
10 %
02:00 PM
78
°
10 %
03:00 PM
77
°
10 %
04:00 PM
77
°
10 %
05:00 PM
77
°
10 %
06:00 PM
76
°
5 %
07:00 PM
76
°
5 %
08:00 PM
75
°
10 %
09:00 PM
75
°
10 %
10:00 PM
75
°
10 %
WeatherRadar
Forecast
Map
Morning
76
°
10 %
Afternoon
80
°
10 %
Evening
76
°
10 %
Night
73
°
20 %
Morning
75
°
10 %
Afternoon
78
°
10 %
Evening
75
°
10 %
Night
74
°
10 %
Morning
77
°
10 %
Afternoon
81
°
5 %
Evening
75
°
5 %
Night
73
°
10 %
Morning
75
°
5 %
Afternoon
77
°
5 %
Evening
73
°
10 %
Night
71
°
10 %
Morning
73
°
10 %
Afternoon
78
°
10 %
Evening
74
°
10 %
Night
71
°
10 %
Morning
73
°
20 %
Afternoon
77
°
20 %
Evening
73
°
20 %
Night
71
°
20 %
Morning
72
°
20 %
Afternoon
78
°
20 %
Evening
73
°
20 %
Night
71
°
20 %
Morning
73
°
20 %
Afternoon
79
°
20 %
Evening
72
°
20 %
Night
70
°
30 %
Morning
72
°
30 %
Afternoon
78
°
30 %
Evening
72
°
30 %
Night
71
°
30 %
Morning
74
°
30 %
Afternoon
80
°
30 %
Evening
72
°
40 %
Night
69
°
40 %
Morning
73
°
40 %
Afternoon
79
°
40 %
Evening
71
°
30 %
Night
69
°
30 %
Morning
73
°
30 %
Afternoon
78
°
30 %
Evening
71
°
30 %
Night
69
°
40 %
Morning
73
°
60 %
Afternoon
79
°
60 %
Evening
72
°
50 %
Night
70
°
50 %
Morning
73
°
40 %
Afternoon
79
°
30 %
Evening
71
°
60 %
Night
70
°
50 %
tomorrow
Sunday, 12/21
12/21
80
°
72
°
9 h
10 %
Monday
Monday, 12/22
12/22
78
°
73
°
8 h
10 %
Tuesday
Tuesday, 12/23
12/23
81
°
74
°
7 h
10 %
Wednesday
Wednesday, 12/24
12/24
77
°
73
°
9 h
10 %
Thursday
Thursday, 12/25
12/25
78
°
71
°
5 h
10 %
Friday
Friday, 12/26
12/26
77
°
71
°
7 h
20 %
Saturday
Saturday, 12/27
12/27
78
°
71
°
7 h
20 %
Sunday
Sunday, 12/28
12/28
79
°
71
°
6 h
20 %
Monday
Monday, 12/29
12/29
78
°
70
°
6 h
30 %
Tuesday
Tuesday, 12/30
12/30
80
°
71
°
5 h
30 %
Wednesday
Wednesday, 12/31
12/31
79
°
69
°
5 h
40 %
Thursday
Thursday, 01/01
01/01
78
°
69
°
5 h
30 %
Friday
Friday, 01/02
01/02
79
°
69
°
4 h
60 %
Saturday
Saturday, 01/03
01/03
79
°
70
°
5 h
50 %
Top News
Weather & Radar features
The unique Sunlight Hours tool
WindRadar
14 day weather
Su
72
80
Mo
73
78
Tu
74
81
We
73
77
Th
71
78
Fr
71
77
Sa
71
78
Su
71
79
Mo
70
78
Tu
71
80
We
69
79
Th
69
78
Fr
69
79
Sa
70
79
Max (°F)
Min (°F)
more
less
TemperatureRadar
UV Index
tomorrow
5
moderate
6-Day UVI Forecast
Marine Weather
today
tomorrow
Water 76° / Air 77°
Waves 1.5 ft /
moderate wind from NE
Knight Key Channel
High tide 10:39 AM / 09:36 PM
Low tide 03:51 AM / 02:29 PM
Water 76° / Air 80°
Waves 2.5 ft /
moderate wind from NE
Knight Key Channel
High tide 11:14 AM / 10:15 PM
Low tide 04:27 AM / 03:05 PM
Current regional conditions
Marathon Airport (6ft)
Sat, 12/20, 08:53 PM
71.6°
dry
Wind NE 4 mph
Key West NAS (6ft)
Sat, 12/20, 08:53 PM
73.4°
mostly clear
Wind N 8 mph
Key West Intl Airport (16ft)
Sat, 12/20, 08:53 PM
71.6°
dry
Wind N 6 mph
Past weather
Weather Station Marathon Airport
Maximum Temperature [°F] 11/24/2025 to 12/20/2025
RainRadar
Air quality
right now
Poss. Unhealthy
6-Day Air Quality Forecast
Astro info
tomorrow
09:31 PM local time
Sun
07:04 AM
05:40 PM
10h 36min
Moon
08:30 AM
07:06 PM
Waxing crescent
News
Flood safety
Useful tips when driving in the rain
More news
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