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Cudjoe Key, FL 33042 Weather

It is 80°F and clear in Cudjoe Key, FL 33042, observed at 10:53 PM EDT. Today: Chance Showers And Thunderstorms, high 85°F, low 75°F. Hourly and 10-day forecast from the National Weather Service. Times are local (EDT).

Cudjoe Key, FL 33042 current weather

80°F

Clear

H 85° / L 75°Feels like 85°

Observed at Key West Naval Air Station (12.9 mi away), 10/30/2026, 10:53 PM EDT

Hourly forecast

NWS, updated 10/30/2026, 8:15 PM PT

  1. Now77°33%
  2. 1 AM77°33%
  3. 2 AM77°33%
  4. 3 AM77°33%
  5. 4 AM77°33%
  6. 5 AM77°33%
  7. 6 AM77°33%
  8. 7 AM76°33%
  9. 8 AM77°41%
  10. 9 AM78°41%
  11. 10 AM81°41%
  12. 11 AM82°41%
  13. 12 PM83°41%
  14. 1 PM83°41%
  15. 2 PM84°41%
  16. 3 PM84°41%
  17. 4 PM85°41%
  18. 5 PM83°41%
  19. 6 PM83°41%
  20. 7 PM81°41%
  21. 8 PM79°54%
  22. 9 PM78°54%
  23. 10 PM78°54%
  24. 11 PM78°54%
  25. 12 AM77°54%Sun
  26. 1 AM77°54%
  27. 1 AM77°54%
  28. 2 AM77°54%
  29. 3 AM77°54%
  30. 4 AM77°54%
  31. 5 AM77°54%
  32. 6 AM75°54%
  33. 7 AM77°67%
  34. 8 AM78°67%
  35. 9 AM80°67%
  36. 10 AM82°67%
  37. 11 AM83°67%
  38. 12 PM83°67%
  39. 1 PM84°67%
  40. 2 PM83°67%
  41. 3 PM83°67%
  42. 4 PM82°67%
  43. 5 PM80°67%
  44. 6 PM79°67%
  45. 7 PM77°67%
  46. 8 PM77°67%
  47. 9 PM76°67%
  48. 10 PM76°67%

10-day forecast

Tap a day for details

  • Today10/3141% chance of precipitationLow 75°High 85°

    Saturday: A chance of showers and thunderstorms. Partly sunny, with a high near 85. East wind around 10 mph. Chance of precipitation is 40%.

    Overnight: A chance of showers and thunderstorms. Partly cloudy, with a low around 75. East wind around 10 mph. Chance of precipitation is 30%.

    Chance Showers And Thunderstorms
  • Sun11/167% chance of precipitationLow 75°High 84°

    Sunday: Showers and thunderstorms likely. Partly sunny, with a high near 84. 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 5 to 10 mph. Chance of precipitation is 70%.

    Showers And Thunderstorms Likely
  • Mon11/267% chance of precipitationLow 74°High 84°

    Monday: Showers and thunderstorms likely before 7am, then a chance of showers and thunderstorms. Mostly sunny, with a high near 84. Chance of precipitation is 70%.

    Monday Night: A chance of showers and thunderstorms. Mostly clear, with a low around 74. Chance of precipitation is 40%.

    Showers And Thunderstorms Likely then Chance Showers And Thunderstorms
  • Tue11/314% chance of precipitationLow 74°High 84°

    Tuesday: A slight chance of rain showers before 7am. Sunny, with a high near 84.

    Tuesday Night: Mostly clear, with a low around 74.

    Slight Chance Rain Showers then Sunny
  • Wed11/4Low 73°High 83°

    Wednesday: Sunny, with a high near 83.

    Wednesday Night: Mostly clear, with a low around 73.

    Sunny
  • Thu11/525% chance of precipitationLow 73°High 83°

    Thursday: A slight chance of rain showers after 7am. Sunny, with a high near 83.

    Thursday Night: A chance of rain showers. Mostly clear, with a low around 73. Chance of precipitation is 30%.

    Slight Chance Rain Showers
  • Fri11/625% chance of precipitationLow High 82°

    Friday: A chance of rain showers. Sunny, with a high near 82. Chance of precipitation is 30%.

    Chance Rain Showers
  • Sat11/7Model blendLow 74°High 81°

    Saturday: Mostly sunny. High near 81°. Low that night near 74°.

    Computer model guidance from the NOAA National Blend of Models, not a forecast written by NWS forecasters. Expect changes this far out.

  • Sun11/8Model blend16% chance of precipitationLow 73°High 81°

    Sunday: Mostly sunny. High near 81°. Low that night near 73°.

    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 72°High 80°

    Monday: Partly cloudy, slight chance of rain. High near 80°. Low that night near 72°. About 0.11 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 24.663, -81.500 from the NWS KEY office, updated 10/30/2026, 8:15 PM PT · Official forecast on weather.gov

Days 8 to 10: NOAA National Blend of Models, station KEYW (Key West Intl, 18 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

  1. Now77°Chance Showers And Thunderstorms33%10 mph
  2. 1 AM77°Chance Showers And Thunderstorms33%10 mph
  3. 2 AM77°Chance Showers And Thunderstorms33%10 mph
  4. 3 AM77°Chance Showers And Thunderstorms33%10 mph
  5. 4 AM77°Chance Showers And Thunderstorms33%10 mph
  6. 5 AM77°Chance Showers And Thunderstorms33%10 mph

Hourly details

Next 7 days: temperature chart, feels like, rain and snow amounts, sky cover, wind and gusts
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Radar and satellite

National radar

NEXRAD (up to 24 hours) and GOES

Latest

Frequently asked questions

What is the weather in Cudjoe Key, FL 33042 right now?
The latest observation from Key West Naval Air Station was 80°F and clear, reported at 10/30/2026, 10:53 PM EDT.
What is the high temperature today in Cudjoe Key, FL 33042?
The National Weather Service forecast for saturday calls for a high near 85°F. Chance Showers And Thunderstorms.
Will it rain in Cudjoe Key, FL 33042 in the next 24 hours?
The hourly forecast shows a 54% chance of precipitation around 10/31/2026, 8:00 PM EDT.
What is the 10-day forecast for Cudjoe Key, FL 33042?
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 80°F to 81°F. Model guidance this far out often changes.
What time is sunrise and sunset in Cudjoe Key, FL 33042 today?
Sunrise is about 7:32 AM EDT and sunset is about 6:46 PM EDT (calculated for the center of the area, within a few minutes).
What is the normal October weather in Cudjoe Key, FL 33042?
At Key West Nas, the 1991 to 2020 normal high in October is 85°F and the normal low is 78°F.

Rain and snow totals

Next 3 days, NWS forecast grid

Rain (liquid)
0.83 in
Snow
0.00 in
Ice
0.00 in

Nearby hazards

Florida hazards

Severe 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:
    • Minor floodingTide Station at Big Pine Key on Spanish Harbor Channel (in MHHW)10.8 mi
    • Minor floodingTide Station at West Summerland Key on Spanish Harbor Channel (in MHHW)11.4 mi
    • Minor floodingTide Station at Bahia Honda Key on Bahia Honda Channel (in MHHW)14 mi
    • Minor floodingTide Station at Ohio Key on Ohio Bahia Honda Channel (in MHHW)15.7 mi
    • Minor floodingTide Station at the Edward B. Knight Pier in Key West (in MHHW)19.6 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

UV index guide · Air quality

Drought

By county

Monroe County, week of 10/27/2026

70% of the county is in moderate drought or worse.

Tides nearby

NOAA tide stations

Beaches nearby

EPA BEACON beaches

Sun and moon

Local time, center of the area

Sunrise
7:32 AM
Sunset
6:46 PM
Daylight
11 hr 14 min
Moon
Waning Gibbous 74% lit
First light (civil dawn)
7:09 AM
Last light (civil dusk)
7:09 PM
Moonrise
None today
Moonset
1:12 PM

Normal October weather

Climate

Normal October high 85°, low 78°, precipitation 5.71 in for the month. 1991 to 2020 normals at Key West Nas, 13 mi away.

Other places nearby

Data sources

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About this data

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