Local Forecast

Marathon, FL Weather Forecast & Alerts

Current conditions, 5-day forecast, and active NWS weather alerts for Marathon, FL.

No Active Alerts

Hour-by-Hour  Current Observation

Wednesday 4:10 PM EDTWednesday 4:10 PM

°F °C
Regional Observations →
87°F

Clear

  • 89° / 84° High / Low
  • 97° Feels Like
  • 0% Chance of Rain

Wind

7 mph

SE

UV Index

10

Very High

Humidity

66%

Dew 75°F

Sun

6:36 AM · 8:16 PM

Rise · Set

Source: MARATHON (KMTH). Slider scrubs the next 12 hours.

5-Day Outlook

Through Sunday

Local Radar →

Today

89° 84°

Isolated T-storm

Overnight: Isolated T-storm

Detailed forecast

Today

A slight chance of showers and thunderstorms. Mostly sunny, with a high near 89. Southeast wind around 5 mph. Chance of precipitation is 20%.

Night

A slight chance of showers and thunderstorms. Partly cloudy, with a low around 83. Southeast wind 5 to 10 mph. Chance of precipitation is 20%.

Thursday

91° 84°

Partly Sunny

Overnight: Isolated T-storm

Detailed forecast

Thursday

A slight chance of showers and thunderstorms before 8am. Mostly sunny, with a high near 90. Southeast wind 5 to 10 mph. Chance of precipitation is 20%.

Night

A slight chance of showers and thunderstorms after 8pm. Mostly clear, with a low around 83. East wind 5 to 10 mph.

Friday

91° 84°

Mostly Sunny

Overnight: Mostly Clear

Detailed forecast

Friday

A slight chance of showers and thunderstorms before 8am. Sunny, with a high near 90. East wind around 10 mph.

Night

Mostly clear, with a low around 83.

Saturday

89° 84°

Mostly Sunny

Overnight: Slight Chance of Showers

Detailed forecast

Saturday

Sunny, with a high near 89.

Night

A slight chance of rain showers after 8pm. Mostly clear, with a low around 83.

Sunday

89° 84°

Mostly Sunny

Overnight: Mostly Clear

Detailed forecast

Sunday

A slight chance of rain showers before 8am. Sunny, with a high near 89.

Night

Mostly clear, with a low around 83.

Marathon, FL Weather Analysis Tools