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

81°F

27°C

Humidity	82%
Wind Speed	NE 7 mph
Barometer	29.96 in (1014.5 mb)
Dewpoint	75°F (24°C)
Visibility	10.00 mi
Heat Index	87°F (31°C)
Last update	14 Oct 6:53 am EDT

More Information:

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

Extended Forecast for

27 Miles NNW Long Key FL

Today
High: 88 °F
Chance
T-storms
Tonight
Low: 76 °F
Chance
Showers
Thursday
High: 89 °F
Chance
Showers then
Chance
T-storms
Thursday Night
Low: 77 °F
Chance
T-storms then
Slight Chance
Showers
Friday
High: 88 °F
Chance
T-storms
Friday Night
Low: 75 °F
Chance
T-storms
Saturday
High: 88 °F
Slight Chance
T-storms then
Showers
Saturday Night
Low: 74 °F
Showers then
Chance
T-storms
Sunday
High: 85 °F
Showers and
Breezy

Detailed Forecast

Today

A 40 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 88. East wind 6 to 10 mph, with gusts as high as 18 mph.

Tonight

A chance of showers and thunderstorms before 3am, then a chance of showers between 3am and 5am, then a chance of showers and thunderstorms after 5am. Partly cloudy, with a low around 76. Northeast wind 5 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 40%.

Thursday

A 40 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 89. Heat index values as high as 100. Northeast wind 5 to 10 mph, with gusts as high as 18 mph.

Thursday Night

A chance of showers and thunderstorms before 11pm, then a slight chance of showers. Mostly clear, with a low around 77. East wind 5 to 8 mph. Chance of precipitation is 30%.

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 8pm. Partly cloudy, with a low around 75. Light northeast wind.

Saturday

A slight chance of showers and thunderstorms between 8am and 2pm, then showers and possibly a thunderstorm after 2pm. High near 88. Northeast wind 3 to 7 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 74. Northeast wind around 11 mph, with gusts as high as 22 mph. Chance of precipitation is 80%.

Sunday

Showers and possibly a thunderstorm. High near 85. Breezy, with an east wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 80%.

Sunday Night

Showers and possibly a thunderstorm. Low around 74. Breezy. Chance of precipitation is 80%.

Monday

Showers and possibly a thunderstorm. High near 85. Breezy. Chance of precipitation is 80%.

Monday Night

Showers and thunderstorms. Low around 74. Chance of precipitation is 80%.

Tuesday

Showers and thunderstorms likely. Mostly sunny, with a high near 86. Chance of precipitation is 60%.