Coastal Threats for the East and Gulf; Record Warmth for the Central U.S.

Persistent onshore flow across the Southeast and portions of the mid-Atlantic will keep the risk of rip currents through the weekend. Rainfall could be locally heavy across Florida, especially along the eastern shoreline. Meanwhile, record warmth for portions of the Plains and Midwest with elevated fire concerns. For the west, a trough will keep the pattern unsettled with wet conditions. Read More >

Current conditions at

The Florida Keys - Marathon International Airport (KMTH)

Lat: 24.73°NLon: 81.05°WElev: 13ft.

Fair

80°F

27°C

Humidity	79%
Wind Speed	NE 9 mph
Barometer	29.86 in (1011.2 mb)
Dewpoint	73°F (23°C)
Visibility	10.00 mi
Heat Index	84°F (29°C)
Last update	4 Oct 3:53 am EDT

More Information:

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

Extended Forecast for

27 Miles NW Long Key FL

Overnight
Low: 76 °F
Chance
T-storms
Saturday
High: 84 °F
Chance
T-storms
Saturday Night
Low: 78 °F
Slight Chance
T-storms
Sunday
High: 85 °F
Chance
T-storms
Sunday Night
Low: 79 °F
Chance
T-storms
Monday
High: 85 °F
Chance
T-storms
Monday Night
Low: 78 °F
Chance
T-storms
Tuesday
High: 84 °F
Chance
T-storms
Tuesday Night
Low: 78 °F
Chance
T-storms

Detailed Forecast

Overnight

A 30 percent chance of showers and thunderstorms, mainly before 4am. Partly cloudy, with a low around 76. Northeast wind around 14 mph, with gusts as high as 18 mph.

Saturday

A 50 percent chance of showers and thunderstorms, mainly after 11am. Mostly sunny, with a high near 84. East wind around 14 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.

Saturday Night

A slight chance of showers and thunderstorms before 2am, then a slight chance of showers and thunderstorms after 4am. Partly cloudy, with a low around 78. Northeast wind 8 to 10 mph. Chance of precipitation is 20%.

Sunday

A slight chance of showers and thunderstorms before 8am, then a chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 85. Northeast wind around 7 mph becoming south in the afternoon. Chance of precipitation is 30%.

Sunday Night

A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 79. Southeast wind around 6 mph becoming east in the evening.

Monday

A slight chance of showers, then a chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 85. Northeast wind 6 to 8 mph becoming southeast in the afternoon. Chance of precipitation is 30%.

Monday Night

A chance of showers and thunderstorms before 5am, then a slight chance of showers. Partly cloudy, with a low around 78. East wind around 9 mph. Chance of precipitation is 30%.

Tuesday

A chance of showers, with thunderstorms also possible after 8am. Mostly sunny, with a high near 84. East wind 10 to 14 mph, with gusts as high as 18 mph. Chance of precipitation is 40%.

Tuesday Night

A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 78. Northeast wind around 14 mph.

Wednesday

A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 85.

Wednesday Night

A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 78.

Thursday

A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 84.

Thursday Night

A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 77.

Friday

A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 83.