Local weather forecast

Weather in Marathon, FL

Updated 2026-08-11 11:00 local time · ZIP codes 33050

Sunny
Now87°F

Sunny

High / Low89° / 85°
Rain chance7%
Wind11 mph
Weather alerts

Active alerts

1
Coastal Flood Statement issued August 11 at 5:10AM EDT until August 11 at 5:00PM EDT by NWS Key West FL

* WHAT...Minor saltwater flooding. * WHERE...Lower Florida Keys. * WHEN...Next several days around the time of high tide. * IMPACTS...Minor saltwater flooding of low elevation streets and lots is likely. Some storm drains will overflow, and some seawalls and docks will be overtopped. Boaters can expect less clearance under fixed bridges. Motorists should remember that persistent puddles around the times of high tide are almost certain to contain a mix of saltwater.

Safety instructions

Do not drive through flooded roadways.

Hourly

Next hours

NowSunny87°6% rain
12 PMSunny89°5% rain
1 PMSunny89°5% rain
2 PMSunny88°6% rain
3 PMSunny88°6% rain
4 PMSunny88°6% rain
5 PMSunny87°6% rain
6 PMSunny87°7% rain
7 PMSunny86°9% rain
8 PMSunny86°10% rain
9 PMClear85°8% rain
10 PMClear85°9% rain
Forecast

3-day weather forecast

Today2026-08-11
Sunny
89° 85°Sunny
Rain 7%Gust 18 mph
Tomorrow2026-08-12
Sunny
85° 84°Sunny
Rain 17%Gust 9 mph
Thursday2026-08-13
Partly Cloudy
85° 84°Partly Cloudy
Rain 11%Gust 9 mph
Conditions

Weather details

Feels like98°F
Humidity70%
Pressure30.12 inHg
Visibility6 mi
Wind11 mph E
Wind gusts15 mph
Precipitation0.00 in
UV index7
Daylight

Sunrise, sunset and moon

Sunrise06:56 AM
Sunset08:01 PM
Moonrise05:13 AM
Moon phaseNew Moon
Practical guide

Weather insights for today

Umbrella not essential

Rain chance stays relatively low over the next 12 hours (up to 10%).

Choose light, breathable clothing

It feels like 98°F with winds near 11 mph.

Best window: 11 AM

87°F, 6% rain chance and 11 mph wind.

Driving conditions look generally normal

Visibility is around 6 mi; gusts may reach 19 mph.

Running conditions are less comfortable

Current temperature is 87°F, wind 11 mph, rain chance up to 10%.

High UV protection needed

UV index is 7. Sunscreen, shade and protective clothing are recommended.

Marathon weather today

Sunny and 87°F in Marathon, FL. Today's high is 89°F with a 7% rain chance. Winds are around 11 mph with gusts near 15 mph. Relative humidity is 70%, pressure is 30.12 inHg, and visibility is about 6 miles.

Tonight and tomorrow in Marathon

Sunrise is at 06:56 AM and sunset is at 08:01 PM. Tomorrow's forecast calls for Sunny with a high near 85°F and a low near 84°F. The maximum rain chance is 17%.

Nearby

Weather near Marathon

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