KEY WEST, FL 33040 Weather Forecast & Current Conditions

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KEY WEST, FL
Current Weather

7:53 AM EDT AUG 19, 2026
Scattered Clouds
84°F
Feels Like: 92°F
Dewpoint: 75°F
Rel. Hum.: 74%
Visibility: 10 miles
Wind: NNW at 6 mph
Pressure: 30.02 inches
Last 72 hours

Local Area Snow Depth

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KEY WEST, FL 33040
Weather Forecast

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Snow Depth pages
TODAY
Mostly sunny. Highs in the lower 90s. Northwest winds 5 to 10 mph.
TONIGHT
Partly cloudy with a slight chance of showers and thunderstorms. Lows in the lower 80s. Northwest winds 5 to 10 mph. Chance of rain 10 percent.
THURSDAY
Mostly sunny. Highs in the lower 90s. Southwest winds 5 to 10 mph.
THURSDAY NIGHT
Partly cloudy. Lows in the lower 80s. West winds 5 to 10 mph, becoming south.
FRIDAY
Mostly sunny. Highs near 90. South winds near 5 mph.
FRIDAY NIGHT
Partly cloudy. Lows in the lower 80s.
SATURDAY
Mostly sunny with a slight chance of showers and thunderstorms. Highs in the lower 90s. Chance of rain 10 percent.
SATURDAY NIGHT
Partly cloudy with a slight chance of showers. Lows in the lower 80s. Chance of rain 10 percent.
SUNDAY
Mostly sunny with a slight chance of showers and thunderstorms. Highs near 90. Chance of rain 10 percent.
SUNDAY NIGHT
Partly cloudy with a slight chance of showers and thunderstorms. Lows in the lower 80s. Chance of rain 20 percent.
MONDAY
Mostly sunny with a slight chance of showers. Highs in the lower 90s. Chance of rain 10 percent.
MONDAY NIGHT
Mostly clear with a chance of showers and thunderstorms. Lows in the lower 80s. Chance of rain 30 percent.
TUESDAY
Mostly sunny with a slight chance of showers and thunderstorms. Highs in the lower 90s. Chance of rain 20 percent. Heat index values up to 110.

Visible Weather Satellite
KEY WEST, FL 33040
Infrared Weather Satellite
KEY WEST, FL 33040
NEXRAD Weather Radar
KEY WEST, FL 33040

KEY WEST, FL 3 hourly weather forecast

weather forecast created  8:00 PM EDT  8/18/2026
Wednesday
19 AUG 2026
KEY WEST, FL 33040 weather forecast Day 1, 0 hours 2 AM 85° 93° Partly Cloudy 1%

0% Thunder
( 15% severe)
NNW   6 72% 75°
Low 83° KEY WEST, FL 33040 weather forecast Day 1, 3 hours 5 AM 84° 92° Partly Cloudy NNW   6 74% 75°
High 91° KEY WEST, FL 33040 weather forecast Day 1, 6 hours 8 AM 86° 96° Partly Cloudy 2%

0% Thunder
( 11% severe)
N   7 72% 76°

Partly Cloudy



KEY WEST, FL 33040 weather forecast Day 1, 9 hours 11 AM 87° 98° Partly Cloudy N   8 70% 76°
KEY WEST, FL 33040 weather forecast Day 1, 12 hours 2 PM 89° 101° Partly Cloudy 1%

0% Thunder
( 18% severe)
NNW   8 66% 76°
KEY WEST, FL 33040 weather forecast Day 1, 15 hours 5 PM 89° 102° Partly Cloudy NW   9 68% 77°
KEY WEST, FL 33040 weather forecast Day 1, 18 hours 8 PM 87° 99° Partly Cloudy 2%

0% Thunder
( 19% severe)
WNW   9 72% 77°
KEY WEST, FL 33040 weather forecast Day 1, 21 hours 11 PM 85° 96° Mostly Cloudy NNW   7 77% 77°
Thursday
20 AUG 2026
KEY WEST, FL 33040 weather forecast Day 2, 0 hours 2 AM 85° 96° Partly Cloudy 5%

0% Thunder
( 17% severe)
NNW   3 77% 77°
Low 84° KEY WEST, FL 33040 weather forecast Day 2, 3 hours 5 AM 85° 95° Mostly Cloudy   CALM 75% 76°
High 91° KEY WEST, FL 33040 weather forecast Day 2, 6 hours 8 AM 86° 96° Partly Cloudy 23%
RAIN
<.01 in
0% Thunder
( 18% severe)
  CALM 72% 76°

Partly Cloudy

Chance of Rain

KEY WEST, FL 33040 weather forecast Day 2, 9 hours 11 AM 88° 99° Partly Cloudy WSW   5 68% 76°
KEY WEST, FL 33040 weather forecast Day 2, 12 hours 2 PM 89° 102° Partly Cloudy 25%
RAIN
***
0% Thunder
( 23% severe)
WSW   6 68% 77°
KEY WEST, FL 33040 weather forecast Day 2, 15 hours 5 PM 89° 102° Mostly Cloudy W   6 68% 77°
KEY WEST, FL 33040 weather forecast Day 2, 18 hours 8 PM 87° 99° Mostly Cloudy 5%

0% Thunder
( 20% severe)
WNW   5 72% 77°
KEY WEST, FL 33040 weather forecast Day 2, 21 hours 11 PM 86° 96° Mostly Cloudy   CALM 72% 76°

KEY WEST, FL extended weather forecast

Friday
21 AUG 2026
Saturday
22 AUG 2026
Sunday
23 AUG 2026
Monday
24 AUG 2026
Tuesday
25 AUG 2026
Low 83° Low 83° Low 82° Low 82° Low 83°
High 91° High 91° High 90° High 91° High 91°
KEY WEST, FL 33040 weather forecast Day 3 KEY WEST, FL 33040 weather forecast Day 4 KEY WEST, FL 33040 weather forecast Day 5 KEY WEST, FL 33040 weather forecast Day 6 KEY WEST, FL 33040 weather forecast Day 7
Partly Cloudy
22% Rain
Clear
18% Rain
Partly Cloudy
29% Rain
Partly Cloudy
41% Rain
Partly Cloudy
35% Rain
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