Checked
Key Colony Beach, FL 33051 Weather
It is 86°F in Key Colony Beach, FL 33051, observed at 2:53 PM EDT. Today: Slight Chance Rain Showers, high 84°F, low 77°F. Hourly and 7-day forecast from the National Weather Service. Times are local (EDT).
Key Colony Beach, FL 33051 current weather
86°F
Slight Chance Rain Showers
H 84° / L 77°Feels like 96°
- Coastal Flood Warning in effect
No rain expected in the next 12 hours
Observed at The Florida Keys - Marathon International Airport (1.6 mi away), 10/29/2026, 2:53 PM EDT
1 active alert
From the National Weather Service for this forecast zone or county
Severe1Significant threat to life or property
Hourly forecast
NWS, updated 10/29/2026, 12:15 PM PT
7-day forecast
Tap a day for details
Today10/2921% chance of precipitationLow 77°High 84°
This Afternoon: A slight chance of rain showers. Sunny, with a high near 84. Northeast wind around 5 mph. Chance of precipitation is 20%.
Tonight: A slight chance of rain showers. Partly cloudy, with a low around 77. Northeast wind 5 to 10 mph. Chance of precipitation is 20%.
Slight Chance Rain ShowersFri10/3023% chance of precipitationLow 78°High 85°
Friday: A slight chance of rain showers before 8am, then a slight chance of showers and thunderstorms. Mostly sunny, with a high near 85. East wind around 10 mph. Chance of precipitation is 20%.
Friday Night: A slight chance of showers and thunderstorms. Partly cloudy, with a low around 78. Northeast wind around 10 mph. Chance of precipitation is 20%.
Slight Chance Showers And ThunderstormsSat10/3149% chance of precipitationLow 78°High 85°
Saturday: A slight chance of showers and thunderstorms before 8am, then a chance of showers and thunderstorms. Mostly sunny, with a high near 85. East wind around 10 mph. Chance of precipitation is 30%.
Saturday Night: A chance of showers and thunderstorms. Partly cloudy, with a low around 78. Chance of precipitation is 50%.
Slight Chance Showers And Thunderstorms then Chance Showers And ThunderstormsSun11/165% chance of precipitationLow 76°High 84°
Sunday: Showers and thunderstorms likely. Partly sunny, with a high near 84. Chance of precipitation is 60%.
Sunday Night: Showers and thunderstorms likely. Mostly cloudy, with a low around 76. Chance of precipitation is 70%.
Showers And Thunderstorms LikelyMon11/265% chance of precipitationLow 75°High 83°
Monday: Showers and thunderstorms likely before 7am, then a chance of showers and thunderstorms. Mostly sunny, with a high near 83. Chance of precipitation is 70%.
Monday Night: A chance of showers and thunderstorms. Partly cloudy, with a low around 75. Chance of precipitation is 50%.
Showers And Thunderstorms Likely then Chance Showers And ThunderstormsTue11/322% chance of precipitationLow 76°High 83°
Tuesday: A slight chance of showers and thunderstorms. Mostly sunny, with a high near 83. Chance of precipitation is 20%.
Tuesday Night: A slight chance of rain showers before 7pm, then a slight chance of showers and thunderstorms. Mostly clear, with a low around 76. Chance of precipitation is 20%.
Slight Chance Showers And ThunderstormsWed11/418% chance of precipitationLow 76°High 83°
Wednesday: A slight chance of showers and thunderstorms before 7am. Sunny, with a high near 83. Chance of precipitation is 20%.
Wednesday Night: A slight chance of rain showers after 7pm. Mostly clear, with a low around 76. Chance of precipitation is 20%.
Slight Chance Showers And Thunderstorms then Sunny
Forecast for 24.725, -81.021 from the NWS KEY office, updated 10/29/2026, 12:15 PM PT · Official forecast on weather.gov
From the National Weather Service; may be delayed. Not for life-safety decisions. In an emergency, call 911.
Next 6 hours
NWS hourly forecast
- Now82°Slight Chance Rain Showers19%5 mph
- 4 PM82°Slight Chance Rain Showers19%5 mph
- 5 PM82°Slight Chance Rain Showers19%5 mph
- 6 PM82°Slight Chance Rain Showers19%5 mph
- 7 PM81°Slight Chance Rain Showers19%5 mph
- 8 PM81°Slight Chance Rain Showers21%5 mph
Hourly details
Next 7 days: temperature chart, feels like, rain and snow amounts, sky cover, wind and gustsShowHide
Radar and satellite
National radarNEXRAD (up to 24 hours) and GOES
Frequently asked questions
- What is the weather in Key Colony Beach, FL 33051 right now?
- The latest observation from The Florida Keys - Marathon International Airport was 86°F, reported at 10/29/2026, 2:53 PM EDT.
- What is the high temperature today in Key Colony Beach, FL 33051?
- The National Weather Service forecast for this afternoon calls for a high near 84°F. Slight Chance Rain Showers.
- Will it rain in Key Colony Beach, FL 33051 in the next 24 hours?
- The NWS hourly forecast does not show any hour with a 50% or higher chance of precipitation in the next 24 hours.
- What time is sunrise and sunset in Key Colony Beach, FL 33051 today?
- Sunrise is about 7:29 AM EDT and sunset is about 6:45 PM EDT (calculated for the center of the area, within a few minutes).
- What is the normal October weather in Key Colony Beach, FL 33051?
- At Marathon AP, the 1991 to 2020 normal high in October is 86°F and the normal low is 76°F.
Rain and snow totals
Next 3 days, NWS forecast grid
- Rain (liquid)
- 0.18 in
- Snow
- 0.00 in
- Ice
- 0.00 in
Nearby hazards
Florida hazardsSevere storm and flash flood outlooks, expected rain, river flooding and wildfires near this area
- Severe storm outlook today:No thunderstorm risk area over this locationOutlook map
- Excessive rainfall outlook (flash flood risk):Could not check the Weather Prediction Center outlook right now.
- River gauges within 40 miles at or above flood stage:
- Minor floodingTide Station at Long Key near Long Key Bight (in MHHW)14.8 mi
- Minor floodingTide Station at the Southern Tip of Upper Matecumbe Key (in MHHW)25.7 mi
- Active wildfires within 50 miles: None reported
UV and air quality forecast
EPA and AirNow
- AQI forecast today (Monroe County)
- GoodOzone
- AQI forecast tomorrow (Monroe County)
- GoodOzone
Drought
By countyMonroe County, week of 10/27/2026
70% of the county is in moderate drought or worse.
Tides nearby
NOAA tide stations
- Key Colony Beach0.5 mi
- Vaca Key-Fat Deer Key bridge0.7 mi
- Fat Deer Key, Florida Bay0.7 mi
Beaches nearby
EPA BEACON beaches
- Sunset Park0.4 mi
- Casa Clara0.6 mi
- Coco Plum Beach1.4 mi
- Curry Hammock State Park2.6 mi
Sun and moon
Local time, center of the area
- Sunrise
- 7:29 AM
- Sunset
- 6:45 PM
- Daylight
- 11 hr 16 min
- Moon
- Waning Gibbous 86% lit
- First light (civil dawn)
- 7:06 AM
- Last light (civil dusk)
- 7:09 PM
- Moonrise
- 9:44 PM
- Moonset
- 11:10 AM
Normal October weather
ClimateNormal October high 86°, low 76°, precipitation 5.90 in for the month. 1991 to 2020 normals at Marathon AP, 2 mi away.
Other places nearby
Data sources
- National Weather Service APINOAA
- Convective Outlooks and Storm ReportsNOAA Storm Prediction Center
- Excessive Rainfall Outlook and Quantitative Precipitation ForecastsNOAA Weather Prediction Center
- National Water Prediction ServiceNOAA National Weather Service
- WFIGS Current Wildland Fire IncidentsNational Interagency Fire Center
- UV Index Forecast (Envirofacts)U.S. Environmental Protection Agency and NOAA
- AirNowU.S. Environmental Protection Agency
- NWS HeatRisk (experimental)NOAA National Weather Service
- U.S. Drought MonitorNational Drought Mitigation Center, USDA and NOAA
- BEACON 2.0 Beach Advisory and Closing On-line NotificationU.S. Environmental Protection Agency
- U.S. Climate Normals 1991-2020NOAA National Centers for Environmental Information
- Tides & Currents (CO-OPS API)NOAA Center for Operational Oceanographic Products and Services
- NEXRAD radar tilesIowa Environmental Mesonet, Iowa State University
- GOES-East and GOES-West GeoColor imageryNOAA NESDIS Center for Satellite Applications and Research
See something wrong? Request a correction
About this data
Weather and emergencies: Weather, air quality and hazard information on this page is delayed and may be incomplete. It is not a substitute for official warnings. Always follow the National Weather Service, local emergency management and public safety officials. In an emergency, call 911. For evacuation orders, use your local official alert system.
Forecasts, observations and alerts come from the National Weather Service (api.weather.gov). Data can be delayed by minutes to hours, and an observation station may be miles from the place named on this page. This site is not affiliated with NOAA or the National Weather Service.
DatenUS is a private website and is not affiliated with or endorsed by any government agency. We republish public data from the sources listed on this page. Data can be incomplete, delayed or wrong. Always check the original source before you make a decision.
Our servers read this data automatically from government sources. Errors can come from the source itself or from the way we read, process or display it, and we do not guarantee that it is accurate, complete or current. Verify anything important with the official source.