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Current weather in Marathon is overcast clouds.

Where can I find the hourly weather forecast for Marathon?

This page shows hourly weather forecast for Marathon, including temperature, wind, precipitation, humidity and cloud cover.

Is the weather forecast for Marathon updated regularly?

Weather data for Marathon is updated regularly with the latest available observations and forecasts.

Now · 12:55 AM

Marathon Weather & Hourly Forecast

United States · Florida · 33050

85°F

Overcast night

Feels like: 90°F

💧 Humidity 77% 🌡 Pressure 30.00 inHg 💨 Wind 13 mph 👁 Visibility 30.2 mi ☁ Clouds 95% ☀️ UV index 0.0 · Low 🌅 Sunrise — 🌇 Sunset —

Hourly Forecast for Marathon

Today

1:00 AM

Overcast night

85° 💧 None 💨 13 mph H 77%30.00 inHg

4:00 AM

Clear night

85° 💧 0.002 in 💨 14 mph H 80%29.97 inHg

7:00 AM

Clear night

85° 💧 0.002 in 💨 12 mph H 79%29.97 inHg

10:00 AM

Mostly sunny

85° 💧 0.018 in 💨 11 mph H 79%30.00 inHg

1:00 PM

Light thunderstorms

83° 💧 0.079 in 💨 9 mph H 79%30.00 inHg

4:00 PM

Light thunderstorms

83° 💧 0.015 in 💨 7 mph H 80%29.94 inHg

7:00 PM

Mostly cloudy

84° 💧 0.082 in 💨 7 mph H 80%29.94 inHg

10:00 PM

Light rain

82° 💧 0.015 in 💨 9 mph H 84%30.00 inHg

Tomorrow

1:00 AM

Mostly cloudy night

84° 💧 0.015 in 💨 14 mph H 80%29.97 inHg

4:00 AM

Mostly cloudy night

85° 💧 0.002 in 💨 13 mph H 77%29.94 inHg

7:00 AM

Partly cloudy night

86° 💧 0.013 in 💨 9 mph H 72%29.97 inHg

10:00 AM

Light thunderstorms

85° 💧 0.122 in 💨 8 mph H 75%30.00 inHg

1:00 PM

Light rain

80° 💧 0.047 in 💨 6 mph H 84%30.06 inHg

4:00 PM

Overcast

82° 💧 None 💨 9 mph H 84%30.00 inHg

7:00 PM

Overcast

84° 💧 0.003 in 💨 9 mph H 78%30.00 inHg

10:00 PM

Overcast night

85° 💧 0.002 in 💨 11 mph H 76%30.03 inHg

Today

1:00 AM

Overcast night

85° 💧 None 💨 13 mph H 77%30.00 inHg

2:00 AM

Mostly cloudy night

85° 💧 None 💨 13 mph H 78%29.97 inHg

3:00 AM

Clear night

85° 💧 None 💨 13 mph H 80%29.97 inHg

4:00 AM

Clear night

85° 💧 None 💨 14 mph H 80%29.97 inHg

5:00 AM

Clear night

85° 💧 0.001 in 💨 13 mph H 80%29.97 inHg

6:00 AM

Mostly clear night

85° 💧 0.001 in 💨 12 mph H 79%29.97 inHg

7:00 AM

Clear night

85° 💧 0.001 in 💨 12 mph H 79%29.97 inHg

8:00 AM

Mostly sunny

85° 💧 None 💨 8 mph H 78%29.97 inHg

9:00 AM

Mostly sunny

85° 💧 0.001 in 💨 10 mph H 78%29.97 inHg

10:00 AM

Mostly sunny

85° 💧 0.002 in 💨 11 mph H 79%30.00 inHg

11:00 AM

Mostly sunny

85° 💧 0.001 in 💨 10 mph H 79%30.00 inHg

12:00 PM

Light rain

85° 💧 0.015 in 💨 11 mph H 74%30.00 inHg

1:00 PM

Light thunderstorms

83° 💧 0.034 in 💨 9 mph H 79%30.00 inHg

2:00 PM

Light thunderstorms

83° 💧 0.041 in 💨 5 mph H 79%30.00 inHg

3:00 PM

Mostly cloudy

83° 💧 0.004 in 💨 6 mph H 78%30.00 inHg

4:00 PM

Light thunderstorms

83° 💧 0.012 in 💨 7 mph H 80%29.94 inHg

5:00 PM

Overcast

83° 💧 0.003 in 💨 4 mph H 80%29.94 inHg

6:00 PM

Mostly cloudy

83° 💧 None 💨 5 mph H 79%29.94 inHg

7:00 PM

Mostly cloudy

84° 💧 None 💨 7 mph H 80%29.94 inHg

8:00 PM

Light thunderstorms

85° 💧 0.006 in 💨 12 mph H 77%29.94 inHg

9:00 PM

Light thunderstorms

81° 💧 0.076 in 💨 13 mph H 84%30.00 inHg

10:00 PM

Light rain

82° 💧 0.014 in 💨 9 mph H 84%30.00 inHg

11:00 PM

Overcast night

82° 💧 None 💨 10 mph H 82%30.00 inHg

Tomorrow

12:00 AM

Overcast night

84° 💧 0.001 in 💨 13 mph H 80%29.97 inHg

1:00 AM

Mostly cloudy night

84° 💧 0.003 in 💨 14 mph H 80%29.97 inHg

2:00 AM

Light rain

84° 💧 0.010 in 💨 15 mph H 81%29.97 inHg

3:00 AM

Mostly cloudy night

85° 💧 0.002 in 💨 15 mph H 78%29.94 inHg

4:00 AM

Mostly cloudy night

85° 💧 0.000 in 💨 13 mph H 77%29.94 inHg

5:00 AM

Partly cloudy night

85° 💧 0.001 in 💨 12 mph H 74%29.94 inHg

6:00 AM

Mostly cloudy night

86° 💧 0.001 in 💨 10 mph H 73%29.94 inHg

7:00 AM

Partly cloudy night

86° 💧 0.003 in 💨 9 mph H 72%29.97 inHg

8:00 AM

Mostly sunny

86° 💧 0.002 in 💨 9 mph H 72%29.97 inHg

9:00 AM

Light rain

86° 💧 0.008 in 💨 8 mph H 72%30.00 inHg

10:00 AM

Light thunderstorms

85° 💧 0.017 in 💨 8 mph H 75%30.00 inHg

11:00 AM

Light rain

84° 💧 0.006 in 💨 10 mph H 79%30.03 inHg

12:00 PM

Thunderstorms

80° 💧 0.099 in 💨 14 mph H 85%30.06 inHg

1:00 PM

Light rain

80° 💧 0.039 in 💨 6 mph H 84%30.06 inHg

2:00 PM

Light rain

80° 💧 0.008 in 💨 5 mph H 84%30.03 inHg

3:00 PM

Overcast

81° 💧 0.001 in 💨 6 mph H 84%30.00 inHg

4:00 PM

Overcast

82° 💧 None 💨 9 mph H 84%30.00 inHg

5:00 PM

Overcast

83° 💧 None 💨 9 mph H 80%29.97 inHg

6:00 PM

Overcast

84° 💧 None 💨 8 mph H 78%29.97 inHg

7:00 PM

Overcast

84° 💧 0.001 in 💨 9 mph H 78%30.00 inHg

8:00 PM

Overcast night

84° 💧 0.001 in 💨 10 mph H 77%30.00 inHg

9:00 PM

Overcast night

85° 💧 0.001 in 💨 10 mph H 77%30.00 inHg

10:00 PM

Overcast night

85° 💧 0.001 in 💨 11 mph H 76%30.03 inHg

11:00 PM

Overcast night

85° 💧 0.001 in 💨 10 mph H 75%30.03 inHg

Sunday

12:00 AM

Overcast night

85° 💧 0.001 in 💨 11 mph H 76%30.03 inHg

1:00 AM

Overcast night

85° 💧 0.002 in 💨 11 mph H 75%30.03 inHg

2:00 AM

Overcast night

85° 💧 0.001 in 💨 10 mph H 74%30.00 inHg

3:00 AM

Mostly cloudy night

85° 💧 None 💨 10 mph H 74%30.00 inHg

4:00 AM

Mostly cloudy night

85° 💧 0.001 in 💨 10 mph H 74%29.97 inHg

5:00 AM

Mostly clear night

85° 💧 0.001 in 💨 10 mph H 74%29.97 inHg

6:00 AM

Mostly clear night

86° 💧 0.001 in 💨 9 mph H 73%29.97 inHg

7:00 AM

Partly cloudy night

86° 💧 0.001 in 💨 7 mph H 72%30.00 inHg

8:00 AM

Light thunderstorms

85° 💧 0.027 in 💨 6 mph H 71%30.03 inHg

5:00 PM

Light rain

85° 💧 None 💨 5 mph H 73%30.00 inHg

8:00 PM

Mostly cloudy night

85° 💧 None 💨 6 mph H 77%30.00 inHg

11:00 PM

Mostly cloudy night

85° 💧 None 💨 8 mph H 74%30.06 inHg

Monday

2:00 AM

Partly cloudy night

85° 💧 None 💨 8 mph H 76%30.00 inHg

5:00 AM

Clear night

85° 💧 None 💨 7 mph H 75%30.00 inHg

8:00 AM

Mostly sunny

85° 💧 None 💨 5 mph H 74%30.03 inHg

11:00 AM

Mostly sunny

83° 💧 None 💨 8 mph H 79%30.09 inHg

2:00 PM

Mostly sunny

84° 💧 None 💨 7 mph H 76%30.03 inHg

5:00 PM

Mostly sunny

85° 💧 None 💨 8 mph H 77%29.97 inHg

8:00 PM

Clear night

85° 💧 None 💨 7 mph H 74%29.97 inHg

11:00 PM

Clear night

86° 💧 None 💨 11 mph H 72%30.00 inHg

Tuesday

2:00 AM

Clear night

85° 💧 None 💨 10 mph H 73%29.97 inHg

5:00 AM

Mostly clear night

85° 💧 None 💨 10 mph H 73%29.97 inHg

8:00 AM

Mostly sunny

83° 💧 None 💨 11 mph H 79%30.03 inHg

11:00 AM

Light rain

84° 💧 None 💨 10 mph H 79%30.06 inHg

2:00 PM

Overcast

85° 💧 None 💨 7 mph H 74%30.03 inHg

5:00 PM

Light rain

83° 💧 None 💨 16 mph H 79%30.00 inHg

8:00 PM

Overcast night

84° 💧 None 💨 13 mph H 79%30.00 inHg

11:00 PM

Light rain

84° 💧 None 💨 11 mph H 75%30.03 inHg

Wednesday

2:00 AM

Light rain

83° 💧 None 💨 15 mph H 78%29.97 inHg

5:00 AM

Light rain

83° 💧 None 💨 13 mph H 79%29.97 inHg

8:00 AM

Light rain

82° 💧 None 💨 13 mph H 81%30.00 inHg

11:00 AM

Light rain

80° 💧 None 💨 9 mph H 82%30.06 inHg

2:00 PM

Overcast

82° 💧 None 💨 9 mph H 78%30.00 inHg

8:00 PM

Light rain

82° 💧 None 💨 10 mph H 81%30.03 inHg

Thursday

2:00 AM

Light rain

84° 💧 None 💨 13 mph H 75%29.97 inHg

8:00 AM

Overcast

83° 💧 None 💨 12 mph H 80%30.00 inHg

2:00 PM

Light rain

82° 💧 None 💨 11 mph H 79%30.00 inHg

8:00 PM

Mostly clear night

84° 💧 None 💨 10 mph H 74%30.00 inHg

Friday

2:00 AM

Mostly cloudy night

82° 💧 None 💨 12 mph H 81%29.97 inHg

8:00 AM

Light rain

82° 💧 None 💨 10 mph H 81%30.00 inHg

2:00 PM

Light rain

82° 💧 None 💨 13 mph H 78%30.00 inHg

8:00 PM

Overcast night

84° 💧 None 💨 10 mph H 76%30.00 inHg

Saturday

2:00 AM

Light rain

83° 💧 None 💨 7 mph H 74%29.94 inHg

8:00 AM

Mostly sunny

82° 💧 None 💨 11 mph H 81%29.94 inHg

2:00 PM

Mostly sunny

84° 💧 None 💨 7 mph H 76%29.94 inHg

8:00 PM

Mostly clear night

85° 💧 None 💨 4 mph H 74%29.91 inHg

Sunday

2:00 AM

Mostly clear night

82° 💧 None 💨 10 mph H 82%29.91 inHg

8:00 AM

Mostly sunny

83° 💧 None 💨 7 mph H 79%29.88 inHg

2:00 PM

Sunny

84° 💧 None 💨 6 mph H 77%29.88 inHg

8:00 PM

Mostly clear night

84° 💧 None 💨 5 mph H 76%29.88 inHg

Monday

2:00 AM

Mostly cloudy night

81° 💧 None 💨 2 mph H 80%29.88 inHg

8:00 AM

Mostly sunny

83° 💧 None 💨 6 mph H 78%29.88 inHg

2:00 PM

Sunny

83° 💧 None 💨 4 mph H 74%29.88 inHg

8:00 PM

Light rain

81° 💧 None 💨 3 mph H 79%29.91 inHg

Tuesday

2:00 AM

Mostly cloudy night

83° 💧 None 💨 7 mph H 76%29.88 inHg

8:00 AM

Mostly sunny

80° 💧 None 💨 1 mph H 81%29.88 inHg

2:00 PM

Mostly sunny

83° 💧 None 💨 7 mph H 74%29.88 inHg

8:00 PM

Mostly clear night

84° 💧 None 💨 7 mph H 73%29.91 inHg

Wednesday

2:00 AM

Light rain

79° 💧 None 💨 11 mph H 85%29.91 inHg

8:00 AM

Mostly sunny

80° 💧 None 💨 6 mph H 83%29.91 inHg

2:00 PM

Mostly sunny

80° 💧 None 💨 8 mph H 84%29.91 inHg

8:00 PM

Mostly clear night

81° 💧 None 💨 8 mph H 81%29.91 inHg

Thursday

2:00 AM

Clear night

84° 💧 None 💨 11 mph H 75%29.85 inHg

8:00 AM

Mostly sunny

82° 💧 None 💨 9 mph H 81%29.85 inHg

2:00 PM

Mostly sunny

80° 💧 None 💨 10 mph H 83%29.88 inHg

8:00 PM

Mostly clear night

81° 💧 None 💨 9 mph H 77%29.91 inHg

Friday

2:00 AM

Overcast night

83° 💧 None 💨 12 mph H 74%29.85 inHg

8:00 AM

Sunny

83° 💧 None 💨 10 mph H 69%29.88 inHg

2:00 PM

Mostly cloudy

82° 💧 None 💨 3 mph H 73%29.94 inHg

In Marathon and, more broadly, across the state of Florida: The evening will be mostly cloudy with temperatures remaining mild to warm, ranging from 81 to 85 degrees Fahrenheit. Light north winds are expected, with speeds up to 6 mph and gusts reaching 9 mph. Rain is likely during the next few hours, with total accumulation around 0.13 inches. Travelers should be prepared for the possibility of wet conditions, especially if planning outdoor activities. The rain could impact evening plans, so it’s advisable to keep an umbrella or rain jacket nearby. Temperatures will stay relatively steady through the night, with no significant drops expected. Overall, residents should remain aware of the potential for rain and moderate wind during this period.

15-Day Weather Outlook for Marathon

Friday, Sep 11Fri Sep 11

Light thunderstorms 85°/83° 💧 None 💨 14 mph

TomorrowTomorrow

Light thunderstorms 86°/80° 💧 None 💨 15 mph

Sunday, Sep 13Sun Sep 13

Light thunderstorms 86°/82° 💧 0.763 in 💨 11 mph

Monday, Sep 14Mon Sep 14

Light rain 85°/82° 💧 0.074 in 💨 7 mph

Tuesday, Sep 15Tue Sep 15

Moderate rain 86°/82° 💧 0.112 in 💨 12 mph

Wednesday, Sep 16Wed Sep 16

Light thunderstorms 83°/81° 💧 0.390 in 💨 21 mph

Thursday, Sep 17Thu Sep 17

Light rain 84°/82° 💧 0.261 in 💨 13 mph

Friday, Sep 18Fri Sep 18

Light rain 84°/82° 💧 0.568 in 💨 13 mph

Saturday, Sep 19Sat Sep 19

Light rain 85°/82° 💧 0.171 in 💨 11 mph

Sunday, Sep 20Sun Sep 20

Mostly sunny 84°/82° 💧 0.052 in 💨 10 mph

Monday, Sep 21Mon Sep 21

Light rain 83°/81° 💧 0.326 in 💨 6 mph

Tuesday, Sep 22Tue Sep 22

Mostly sunny 84°/80° 💧 0.109 in 💨 7 mph

Wednesday, Sep 23Wed Sep 23

Light rain 81°/79° 💧 0.175 in 💨 11 mph

Thursday, Sep 24Thu Sep 24

Mostly sunny 84°/80° 💧 0.001 in 💨 11 mph

Friday, Sep 25Fri Sep 25

Mostly cloudy 83°/82° 💧 0.002 in 💨 12 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Marathon

Vertical axis: °F · Color based on temperature

AIR QUALITY FORECAST

Air Quality Forecast for Marathon

Hourly forecast · Updated every 2 hours

Good

Nearest forecast value 1:00 AM

PM2.5 Fine particles Good 1,6µg/m³

Microscopic particles that can penetrate deep into the lungs. Elevated concentrations can especially affect children, older adults and people with respiratory conditions.

PM10 Particulate matter Good 5,2µg/m³

Includes dust, pollen and other airborne particles. High concentrations may irritate the respiratory system.

O₃ Ozone Good 36,4µg/m³

Ground-level ozone can irritate the eyes and respiratory system when concentrations are elevated.

NO₂ Nitrogen dioxide Good 0,5µg/m³

A gas emitted mainly by traffic and some industrial activity. High exposure can affect respiratory health.

Air quality is favorable for outdoor activities.

UV & HEALTH

UV, Sun & Health Outlook in Marathon

Maximum daily UV Today, tomorrow and the following day show the maximum UV index forecast for each day.

0–2 Low 3–5 Moderate 6–7 High 8–10 Very high 11+ Extreme

Today UV 10,5Very high 😊Good

Tomorrow UV 8,0Very high 😊Good

Sunday UV 10,3Very high 😊Good

Monday UV 10,3Very high 😊Good

Tuesday UV 7,0High —Unavailable

Wednesday UV 7,0High —Unavailable

Thursday UV 7,0High —Unavailable

Hourly UV index today

7:00 AMUV 0,0 8:00 AMUV 0,3 9:00 AMUV 1,3 10:00 AMUV 3,4 11:00 AMUV 6,2 12:00 PMUV 8,9 1:00 PMUV 10,5 2:00 PMUV 10,3 3:00 PMUV 8,5 4:00 PMUV 5,7 5:00 PMUV 2,9 6:00 PMUV 1,0

Today's weather health advice Open today's recommendations.

Very high UV risk

Use SPF 50+ sunscreen, a hat and sunglasses. Seek shade and limit exposure around midday.

Good air quality

Air quality is good and outdoor activities can be enjoyed normally.

Stay hydrated

Drink water regularly, especially during physical activity or prolonged sun exposure.

Best in the morning or late in the day

For walking, running or cycling, prefer the early morning or late afternoon.

WIND OUTLOOK

Hourly Wind Forecast for Marathon

Vertical axis: mph · Horizontal axis: hours

Sustained wind Max gusts

NIGHT SKY · MARATHON, FLORIDA

Tonight's Stargazing & Shooting Stars

Excellent observing conditions. Best local viewing window: 3:00 AM–4:00 AM.

96/100Best-hour score

BEST TIME TONIGHT 3:00 AM–4:00 AM Astronomical darkness: 8:50 PM–5:52 AM

☁ Cloud cover 6% Real hourly forecast for the best viewing hour.

☾ Moonlight 0% New Moon · Moon below the horizon at the best viewing hour.

☄ Meteor activity September ε-Perseids Reference ZHR 8 · Radiant 58° high at the best hour.

✦ Estimated visible meteors 1–4/hour Local estimate after weather, moonlight and radiant-height adjustments.

Chance ≥1 meteor in 30 min75%

UPCOMING METEOR PERIODSStart, peak and end dates · weather should be checked closer to the peak.

SEP 5–SEP 21

September ε-PerseidsStart SEP 5 · Peak SEP 9 · End SEP 21 · ZHR 8 · 6% Moon at peak

ACTIVE NOW

SEP 20–NOV 20

Southern TauridsStart SEP 20 · Peak NOV 5 · End NOV 20 · ZHR 7 · 20% Moon at peak

UPCOMING

OCT 2–NOV 7

OrionidsStart OCT 2 · Peak OCT 21 · End NOV 7 · ZHR 20 · 77% Moon at peak

UPCOMING

OCT 20–DEC 10

Northern TauridsStart OCT 20 · Peak NOV 12 · End DEC 10 · ZHR 5 · 7% Moon at peak

UPCOMING

Experimental local observing estimate. Weather values come from the hourly forecast already used on this page. Moon position and astronomical darkness are calculated locally from time and coordinates. Meteor-shower ZHR describes ideal conditions and is not the number of meteors a person should expect to see locally.

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Forecast data for Marathon were last refreshed today at 12:55 AM. The current forecast period extends through 12/09/2026 at 10:00 PM. Weather, air-quality and UV-index data are provided through WEATHER-INFO.COM. Forecasts are produced automatically from the latest available data and are subject to periodic technical checks. This service is intended for general weather information.