National Weather Service

News Headlines

NWS Miami Student Volunteer Opportunity: Accepting Applications for Spring 2027
Video Documentary: 1926 Great Miami Hurricane - 100 Years Later
Drought Conditions Have Been Removed From Metro Areas of Palm Beach/Broward Counties. Drought Conditions Have Also Improved Over Rest Of South Florida.

Current conditions at

The Florida Keys - Marathon International Airport (KMTH)

Lat: 24.73°NLon: 81.05°WElev: 13ft.

Fair

83°F

28°C

Humidity	72%
Wind Speed	E 10 mph
Barometer	30.00 in (1015.7 mb)
Dewpoint	73°F (23°C)
Visibility	10.00 mi
Heat Index	89°F (32°C)
Last update	13 Oct 10:53 pm EDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

25 Miles NW Islamorada FL

Tonight
Low: 74 °F
Mostly Clear
Wednesday
High: 87 °F
Slight Chance
T-storms then
Chance
T-storms
Wednesday Night
Low: 76 °F
Chance
Showers
Thursday
High: 88 °F
Chance
Showers then
Chance
T-storms
Thursday Night
Low: 76 °F
Chance
T-storms
Friday
High: 88 °F
Chance
T-storms
Friday Night
Low: 76 °F
Chance
T-storms
Saturday
High: 87 °F
Chance
T-storms then
Showers
Saturday Night
Low: 75 °F
Showers then
Chance
T-storms

Detailed Forecast

Tonight

Mostly clear, with a low around 74. Northeast wind 6 to 8 mph.

Wednesday

A 50 percent chance of showers and thunderstorms, mainly after noon. Increasing clouds, with a high near 87. Northeast wind 7 to 11 mph, with gusts as high as 18 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Wednesday Night

A chance of showers and thunderstorms between 4am and 5am, then a slight chance of showers. Mostly clear, with a low around 76. East wind 6 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 30%.

Thursday

A chance of showers, with thunderstorms also possible after 11am. Sunny, with a high near 88. East wind 6 to 10 mph. Chance of precipitation is 40%.

Thursday Night

A 30 percent chance of showers and thunderstorms, mainly before 8pm. Mostly clear, with a low around 76. East wind 5 to 8 mph.

Friday

A 40 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 88. Southeast wind 3 to 7 mph.

Friday Night

A 30 percent chance of showers and thunderstorms, mainly before 2am. Partly cloudy, with a low around 76. Light northeast wind.

Saturday

A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 2pm. High near 87. East wind 5 to 8 mph. Chance of precipitation is 80%.

Saturday Night

Showers and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms after 8pm. Low around 75. Northeast wind 11 to 14 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.

Sunday

Showers and possibly a thunderstorm. High near 84. Breezy. Chance of precipitation is 80%.

Sunday Night

Showers and possibly a thunderstorm. Low around 75. Windy. Chance of precipitation is 80%.

Monday

Showers and possibly a thunderstorm. High near 84. Windy. Chance of precipitation is 80%.

Monday Night

Showers and thunderstorms. Low around 75. Breezy. Chance of precipitation is 80%.

Tuesday

Showers and thunderstorms likely. Mostly sunny, with a high near 85. Breezy. Chance of precipitation is 60%.