KEY WEST, FL 33040 Weather Forecast & Current Conditions

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33040 WEATHER WARNINGS (SEVERE T-STORM & TORNADO)

CURRENT WEATHER
KEY WEST, FL Current Weather
7:53 AM EDT SEP 19, 2026
Few Clouds 81°F
Feels Like:	85°F
Dewpoint:	72°F
Rel. Hum.:	74%
Visibility:	10 miles
Wind:	SSE at 17 mph, gusts to 26
Pressure:	29.95 inches
Last 72 hours
Local Area Snow Depth
Florida Current Weather
Florida MOS Forecast Weather

Weather Map

(Automated weather data from NWS/FAA)

33040 WEATHER FORECAST
10-Day model forecast maps 2026 Hurricanes	KEY WEST, FL 33040 Weather Forecast	Snowfall Forecast pages Snow Depth pages

TODAY
Partly cloudy with a chance of showers and thunderstorms. Highs in the upper 80s. East winds near 5 mph. Chance of rain 50 percent.

TONIGHT
Mostly cloudy with a chance of showers and thunderstorms. Lows in the upper 70s. Southeast winds near 5 mph. Chance of rain 50 percent.

SUNDAY
Partly cloudy with a chance of showers and thunderstorms. Highs in the upper 80s. South winds near 5 mph. Chance of rain 50 percent.

SUNDAY NIGHT
Showers likely with a chance of thunderstorms. Lows near 80. South winds 5 to 10 mph. Chance of rain 70 percent.

MONDAY
Showers likely with a chance of thunderstorms. Highs in the upper 80s. Southwest winds 5 to 10 mph. Chance of rain 70 percent.

MONDAY NIGHT AND TUESDAY
Mostly cloudy. Showers likely with a chance of thunderstorms. Lows near 80. Highs in the upper 80s. Chance of rain 60 percent.

TUESDAY NIGHT AND WEDNESDAY
Showers likely with a chance of thunderstorms. Lows near 80. Highs in the upper 80s. Chance of rain 70 percent.

WEDNESDAY NIGHT AND THURSDAY
Showers likely with a chance of thunderstorms. Lows near 80. Highs in the upper 80s. Chance of rain 60 percent.

THURSDAY NIGHT
Mostly cloudy with a chance of showers and thunderstorms. Lows near 80. Chance of rain 50 percent.

FRIDAY
Showers likely with a chance of thunderstorms. Highs in the upper 80s. Chance of rain 60 percent.

33040 WEATHER SATELLITE LOOPS

Visible Weather Satellite
KEY WEST, FL 33040

Infrared Weather Satellite
KEY WEST, FL 33040

33040 WEATHER RADAR LOOP

NEXRAD Weather Radar
KEY WEST, FL 33040

MOS COMPUTER WEATHER FORECAST

KEY WEST, FL 3 hourly weather forecast

weather forecast created 8:00 PM EDT 9/18/2026

DAY/DATE &
WEATHER FORECAST SUMMARY

Saturday
19 SEP 2026

2 AM

82°

89°

Mostly Cloudy

50%
RAIN
***

0% Thunder
( 53% severe)

E 6

82%

76°

Low 81°

5 AM

82°

89°

Mostly Cloudy

E 5

79%

75°

High 88°

8 AM

83°

90°

Mostly Cloudy

66%
RAIN
***

0% Thunder
( 40% severe)

ENE 5

77%

75°

Mostly Cloudy

Rain Likely

11 AM

85°

93°

Mostly Cloudy

E 6

72%

75°

2 PM

86°

95°

Mostly Cloudy

43%
RAIN
***

0% Thunder
( 36% severe)

ESE 6

70%

75°

5 PM

86°

95°

Partly Cloudy

ESE 6

70%

75°

8 PM

84°

92°

Partly Cloudy

53%
RAIN
***

0% Thunder
( 53% severe)

NE 5

74%

75°

11 PM

82°

89°

Partly Cloudy

SSE 5

79%

75°

Sunday
20 SEP 2026

2 AM

82°

89°

Mostly Cloudy

49%
RAIN
***

0% Thunder
( 41% severe)

SE 6

79%

75°

Low 80°

5 AM

82°

89°

Partly Cloudy

S 5

79%

75°

High 88°

8 AM

83°

90°

Partly Cloudy

51%
RAIN
***

0% Thunder
( 42% severe)

SSW 5

77%

75°

Partly Cloudy

Rain Likely

11 AM

85°

93°

Partly Cloudy

SSW 6

72%

75°

2 PM

86°

95°

Partly Cloudy

42%
RAIN
.5–1 in

0% Thunder
( 43% severe)

S 6

70%

75°

5 PM

86°

95°

Partly Cloudy

SW 6

70%

75°

8 PM

84°

91°

Mostly Cloudy

62%
RAIN
.25–.5 in

0% Thunder
( 47% severe)

SSW 5

72%

74°

11 PM

83°

90°

Mostly Cloudy

SSE 6

77%

75°


KEY WEST, FL extended weather forecast
Monday 21 SEP 2026	Tuesday 22 SEP 2026	Wednesday 23 SEP 2026	Thursday 24 SEP 2026	Friday 25 SEP 2026
Low 81°	Low 82°	Low 82°	Low 81°	Low 80°
High 89°	High 90°	High 88°	High 88°	High 89°

Overcast 76% Rain	Overcast 72% Rain	Overcast 55% Rain	Overcast 66% Rain	Mostly Cloudy 47% Rain

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