Florida · NWS KEY office

Key West, FL weather

It is 75°F and cloudy at Key West International Airport as of Oct 28, 2:15 AM EDT. Overnight: Slight Chance Showers And Thunderstorms, low near 76°F, 19% chance of precipitation. Forecast from the National Weather Service, issued Oct 28, 2:20 AM EDT.

Updated Oct 28, 2:30 AM EDT (snapshot)

Current conditions

Temperature

75°F

Cloudy · feels like 77°F

Wind

N 15 mph, gusts 22 mph

Humidity 89% · dew point 72°F

Pressure · visibility

29.90 inHg

Visibility 10 mi

Observed at Key West International Airport (KEYW), Oct 28, 2:15 AM EDT. Station readings can lag or be missing.

Alerts for this area

Coastal Flood Warning Severe Expected

Coastal Flood Warning issued October 27 at 3:33PM EDT until October 28 at 5:00AM EDT by NWS Key West FL

Area
Monroe Upper Keys; Monroe Middle Keys; Monroe Lower Keys
In effect
Oct 27, 3:33 PM EDT
Until
Oct 28, 5:00 AM EDT
Issued by
NWS Key West FL
Full text

* WHAT...Major saltwater flooding. * WHERE...The Florida Keys. * WHEN...Through Wednesday, especially around the times of high tide in the Lower and Middle Keys, with little relief outside of high tide in the Upper Keys. * IMPACTS...Numerous roads may be closed. Low lying property including homes, businesses, and some critical infrastructure will be inundated. Some shoreline erosion will occur.

What to do: Take the necessary actions to protect flood-prone property. If travel is required, do not drive around barricades or through water of unknown depth.

Around the NWS KEY forecast area

1 active alert covers zones served by the KEY office near Key West:

  • Coastal Flood Warning

From the alert snapshot of Oct 28, 2026, 2:15 AM EDT. Florida has 18 active alerts: see them all.

For official warnings, check weather.gov and your local authorities. OpenForecast repeats National Weather Service alerts and may be delayed or incomplete. Follow instructions from emergency officials.

Next 24 hours

Hourly forecast for Key West (local time)
TimeTempForecastPrecip. chanceWind
Wed 2 AM78°FSlight Chance Showers And Thunderstorms19%N 20 mph
Wed 3 AM77°FSlight Chance Showers And Thunderstorms19%N 20 mph
Wed 4 AM76°FSlight Chance Showers And Thunderstorms19%N 20 mph
Wed 5 AM76°FSlight Chance Showers And Thunderstorms19%N 20 mph
Wed 6 AM76°FSlight Chance Showers And Thunderstorms19%N 20 mph
Wed 7 AM76°FSlight Chance Showers And Thunderstorms19%N 20 mph
Wed 8 AM76°FSlight Chance Rain Showers19%N 15 mph
Wed 9 AM79°FSlight Chance Rain Showers19%N 15 mph
Wed 10 AM80°FSlight Chance Rain Showers19%N 15 mph
Wed 11 AM81°FSlight Chance Rain Showers19%NE 15 mph
Wed 12 PM82°FSlight Chance Rain Showers19%NE 15 mph
Wed 1 PM83°FSlight Chance Rain Showers19%NE 15 mph
Wed 2 PM83°FSlight Chance Rain Showers19%NE 10 mph
Wed 3 PM84°FSlight Chance Rain Showers19%NE 10 mph
Wed 4 PM84°FSlight Chance Rain Showers19%NE 10 mph
Wed 5 PM83°FSlight Chance Rain Showers19%NE 10 mph
Wed 6 PM83°FSlight Chance Rain Showers19%NE 10 mph
Wed 7 PM82°FSlight Chance Rain Showers19%NE 10 mph
Wed 8 PM82°FSlight Chance Rain Showers19%NE 5 mph
Wed 9 PM81°FSlight Chance Rain Showers19%NE 5 mph
Wed 10 PM81°FSlight Chance Rain Showers19%NE 5 mph
Wed 11 PM81°FSlight Chance Rain Showers19%NE 10 mph
Thu 12 AM80°FSlight Chance Rain Showers19%NE 10 mph
Thu 1 AM80°FSlight Chance Rain Showers19%NE 10 mph

Hourly values come from the NWS gridded forecast for the 2.5 km grid square that covers the city's center point. Conditions elsewhere in Key West can differ.

7-day forecast

Overnight

Low 76°F

A slight chance of showers and thunderstorms. Partly cloudy, with a low around 76. North wind around 20 mph. Chance of precipitation is 20%.

Wednesday

High 84°F·Low 78°F

A slight chance of showers and thunderstorms. Mostly sunny, with a high near 84. North wind 10 to 20 mph. Chance of precipitation is 20%.

Wednesday Night: A slight chance of rain showers. Partly cloudy, with a low around 78. Northeast wind 5 to 10 mph. Chance of precipitation is 20%.

Thursday

High 86°F·Low 79°F

A slight chance of rain showers. Mostly sunny, with a high near 86. Northeast wind 5 to 10 mph. Chance of precipitation is 20%.

Thursday Night: A slight chance of rain showers. Partly cloudy, with a low around 79. Northeast wind 5 to 10 mph. Chance of precipitation is 20%.

Friday

High 86°F·Low 79°F

A slight chance of rain showers before 8am, then a slight chance of showers and thunderstorms. Sunny, with a high near 86. Chance of precipitation is 20%.

Friday Night: A slight chance of showers and thunderstorms. Mostly clear, with a low around 79. Chance of precipitation is 20%.

Saturday

High 86°F·Low 77°F

A slight chance of showers and thunderstorms. Sunny, with a high near 86. Chance of precipitation is 20%.

Saturday Night: A slight chance of showers and thunderstorms before 8pm, then a chance of showers and thunderstorms. Mostly clear, with a low around 77. Chance of precipitation is 30%.

Sunday

High 84°F·Low 76°F

A chance of showers and thunderstorms. Sunny, with a high near 84. Chance of precipitation is 30%.

Sunday Night: A chance of showers and thunderstorms before 7pm, then a slight chance of showers and thunderstorms. Mostly clear, with a low around 76. Chance of precipitation is 30%.

Monday

High 83°F·Low 76°F

A slight chance of showers and thunderstorms. Sunny, with a high near 83. Chance of precipitation is 20%.

Monday Night: A slight chance of rain showers before 7pm. Mostly clear, with a low around 76.

Tuesday

High 83°F

Sunny, with a high near 83.

Nearby cities

See every city we cover in Florida, or check all active alerts.

About this forecast

Forecast office
Key West is served by the National Weather Service KEY forecast office, forecast zone FLZ078, county zone FLC087.
Location used
The Census Bureau's internal point for Key West (24.5651, -81.7755), in Monroe County. Population: 25,240 (2024 estimate), number 104 of the 120 Florida cities on this site.
Radar
Nearest NWS radar: KBYX. View it on radar.weather.gov.

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Sources

  • Forecast, hourly forecast, observations and alerts: National Weather Service API, api.weather.gov/points/24.5651,-81.7755 (forecast issued Oct 28, 2:20 AM EDT).
  • Official forecast page: forecast.weather.gov.
  • City location and population: U.S. Census Bureau, Vintage 2024 population estimates and 2024 Gazetteer files.
  • Snapshot taken Oct 28, 2026. The NWS and Census Bureau do not endorse OpenForecast.

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