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Key Largo, FL 33037 Weather
Today: Chance Showers And Thunderstorms, high 84°F, low 77°F. Hourly and 10-day forecast from the National Weather Service. Times are local (EDT).
Key Largo, FL 33037 current weather
78°F
Chance Showers And Thunderstorms
Forecast for this hour. No recent report from a nearby station.
H 84° / L 77°
No recent station report. NWS hourly forecast updated 10/31/2026, 12:45 AM PT
Hourly forecast
NWS, updated 10/31/2026, 12:45 AM PT
10-day forecast
Tap a day for details
Today10/3149% chance of precipitationLow 77°High 84°
Saturday: A chance of showers and thunderstorms. Mostly sunny, with a high near 84. East wind around 10 mph. Chance of precipitation is 50%.
Overnight: A chance of showers and thunderstorms. Partly cloudy, with a low around 77. East wind around 10 mph. Chance of precipitation is 30%.
Chance Showers And ThunderstormsSun11/174% chance of precipitationLow 75°High 82°
Sunday: Showers and thunderstorms likely. Partly sunny, with a high near 82. East wind 10 to 15 mph. Chance of precipitation is 70%.
Sunday Night: Showers and thunderstorms likely. Mostly cloudy, with a low around 75. East wind around 10 mph. Chance of precipitation is 70%.
Showers And Thunderstorms LikelyMon11/273% chance of precipitationLow 74°High 83°
Monday: Showers and thunderstorms likely. Mostly sunny, with a high near 83. Chance of precipitation is 70%.
Monday Night: Showers and thunderstorms likely before 7pm, then a slight chance of showers and thunderstorms. Partly cloudy, with a low around 74. Chance of precipitation is 60%.
Showers And Thunderstorms LikelyTue11/320% chance of precipitationLow 74°High 83°
Tuesday: A slight chance of showers and thunderstorms. Sunny, with a high near 83. Chance of precipitation is 20%.
Tuesday Night: A slight chance of rain showers. Partly cloudy, with a low around 74. Chance of precipitation is 20%.
Slight Chance Showers And ThunderstormsWed11/422% chance of precipitationLow 74°High 84°
Wednesday: A slight chance of rain showers before 7am, then a slight chance of showers and thunderstorms. Mostly sunny, with a high near 84. Chance of precipitation is 20%.
Wednesday Night: A slight chance of showers and thunderstorms. Partly cloudy, with a low around 74. Chance of precipitation is 20%.
Slight Chance Showers And ThunderstormsThu11/516% chance of precipitationLow 72°High 84°
Thursday: A slight chance of rain showers. Sunny, with a high near 84. Chance of precipitation is 20%.
Thursday Night: A slight chance of rain showers before 7pm. Mostly clear, with a low around 72. Chance of precipitation is 20%.
Slight Chance Rain ShowersFri11/615% chance of precipitationLow High 83°
Friday: A slight chance of rain showers after 7am. Sunny, with a high near 83. Chance of precipitation is 20%.
Slight Chance Rain ShowersSat11/7Model blendLow 70°High 85°
Saturday: Mostly sunny. High near 85°. Low that night near 70°.
Computer model guidance from the NOAA National Blend of Models, not a forecast written by NWS forecasters. Expect changes this far out.
Sun11/8Model blend10% chance of precipitationLow 69°High 84°
Sunday: Mostly sunny. High near 84°. Low that night near 69°.
Computer model guidance from the NOAA National Blend of Models, not a forecast written by NWS forecasters. Expect changes this far out.
Mon11/9Model blend28% chance of precipitationLow 67°High 82°
Monday: Partly cloudy, slight chance of rain. High near 82°. Low that night near 67°. About 0.05 in of precipitation.
Computer model guidance from the NOAA National Blend of Models, not a forecast written by NWS forecasters. Expect changes this far out.
Forecast for 25.186, -80.396 from the NWS KEY office, updated 10/31/2026, 12:45 AM PT · Official forecast on weather.gov
Days 8 to 10: NOAA National Blend of Models, station KHST (Homestead AFB, 21 mi), model run 10/30/2026, 10:00 PM EDT
From the National Weather Service; may be delayed. Not for life-safety decisions. In an emergency, call 911.
Next 6 hours
NWS hourly forecast
- Now78°Chance Showers And Thunderstorms26%10 mph
- 5 AM77°Chance Showers And Thunderstorms26%10 mph
- 6 AM77°Chance Showers And Thunderstorms26%10 mph
- 7 AM77°Chance Showers And Thunderstorms26%10 mph
- 8 AM78°Chance Showers And Thunderstorms49%10 mph
- 9 AM79°Chance Showers And Thunderstorms49%10 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 high temperature today in Key Largo, FL 33037?
- The National Weather Service forecast for saturday calls for a high near 84°F. Chance Showers And Thunderstorms.
- Will it rain in Key Largo, FL 33037 in the next 24 hours?
- The hourly forecast shows a 61% chance of precipitation around 10/31/2026, 8:00 PM EDT.
- What is the 10-day forecast for Key Largo, FL 33037?
- The first 7 days come from the National Weather Service forecast. Days 8 to 10 (Nov 7 to Nov 9) come from the NOAA National Blend of Models, with highs of 82°F to 85°F. Model guidance this far out often changes.
- What time is sunrise and sunset in Key Largo, FL 33037 today?
- Sunrise is about 7:28 AM EDT and sunset is about 6:41 PM EDT (calculated for the center of the area, within a few minutes).
- What is the normal October weather in Key Largo, FL 33037?
- At John Pennekamp Sp, the 1991 to 2020 normal high in October is 86°F and the normal low is 75°F.
Rain and snow totals
Next 3 days, NWS forecast grid
- Rain (liquid)
- 1.15 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:General thunderstormsOutlook 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:
- Moderate floodingTide Station at Jewfish Creek on Florida Bay (in MHHW)2.5 mi
- Moderate floodingTide Station near Manatee Creek on Barnes Sound (in MHHW)4 mi
- Moderate floodingTide Station at Sunset Cove, Key Largo on Buttonwood Sound (in MHHW)6.9 mi
- Major floodingTide Station at Ocean Reef on Card Sound (in MHHW)12.1 mi
- Moderate floodingTide Station at the Southern Tip of Upper Matecumbe Key (in MHHW)25.8 mi
- Active wildfires within 50 miles: None reported
UV and air quality forecast
EPA and AirNow
- AQI forecast today (Miami)
- 35GoodOzone
- AQI forecast tomorrow (Miami)
- 35GoodOzone
Drought
By countyMonroe County, week of 10/27/2026
70% of the county is in moderate drought or worse.
Tides nearby
NOAA tide stations
- Garden Cove, Key Largo2.1 mi
- Largo Sound, Key Largo3.1 mi
- Main Key, Barnes Sound3.7 mi
Beaches nearby
EPA BEACON beaches
Sun and moon
Local time, center of the area
- Sunrise
- 7:28 AM
- Sunset
- 6:41 PM
- Daylight
- 11 hr 13 min
- Moon
- Waning Gibbous 73% lit
- First light (civil dawn)
- 7:05 AM
- Last light (civil dusk)
- 7:05 PM
- Moonrise
- 11:56 PM
- Moonset
- 1:09 PM
Normal October weather
ClimateNormal October high 86°, low 75°, precipitation 7.87 in for the month. 1991 to 2020 normals at John Pennekamp Sp, 3 mi away.
Other places nearby
Data sources
- National Weather Service APINOAA · Official site
- National Blend of Models (NBM) text guidanceNOAA National Weather Service · Official site
- Convective Outlooks and Storm ReportsNOAA Storm Prediction Center · Official site
- Excessive Rainfall Outlook and Quantitative Precipitation ForecastsNOAA Weather Prediction Center · Official site
- National Water Prediction ServiceNOAA National Weather Service · Official site
- WFIGS Current Wildland Fire IncidentsNational Interagency Fire Center · Official site
- UV Index Forecast (Envirofacts)U.S. Environmental Protection Agency and NOAA · Official site
- AirNowU.S. Environmental Protection Agency · Official site
- NWS HeatRisk (experimental)NOAA National Weather Service · Official site
- U.S. Drought MonitorNational Drought Mitigation Center, USDA and NOAA · Official site
- BEACON 2.0 Beach Advisory and Closing On-line NotificationU.S. Environmental Protection Agency · Official site
- U.S. Climate Normals 1991-2020NOAA National Centers for Environmental Information · Official site
- Tides & Currents (CO-OPS API)NOAA Center for Operational Oceanographic Products and Services · Official site
- NDBC Latest ObservationsNOAA National Data Buoy Center · Official site
- NEXRAD radar tilesIowa Environmental Mesonet, Iowa State University · Official site
- GOES-East and GOES-West GeoColor imageryNOAA NESDIS Center for Satellite Applications and Research · Official site
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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.
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