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
10:53 PM EDT MAR 18, 2026
Overcast 70°F
Feels Like:	70°F
Dewpoint:	63°F
Rel. Hum.:	78%
Visibility:	10 miles
Wind:	N at 12 mph, gusts to 26
Pressure:	30.07 inches
Last 72 hours
Local Area Snow Depth
Florida Current Weather
Florida MOS Forecast Weather

Regional Weather Maps

(Automated weather data from NWS/FAA)

33040 WEATHER FORECAST
10-Day model forecast maps 2025 Hurricanes	KEY WEST, FL 33040 Weather Forecast	Snowfall Forecast pages Snow Depth pages

TONIGHT
Cloudy with a chance of showers. Breezy early, becoming windy. Lows in the upper 60s. Northeast winds 15 to 20 mph, increasing to near 20 mph. Chance of rain 40 percent.

THURSDAY
Partly sunny with a slight chance of showers. Breezy with highs in the mid 70s. North to northeast winds 15 to 20 mph. Chance of rain 20 percent.

THURSDAY NIGHT
Mostly cloudy in the evening, then becoming partly cloudy. A slight chance of showers. Breezy. Lows in the upper 60s. North to northeast winds 15 to 20 mph. Chance of rain 20 percent.

FRIDAY
Mostly sunny with a slight chance of showers. Breezy in the morning. Highs in the mid 70s. North to northeast winds 15 to 20 mph, decreasing to 10 to 15 mph. Chance of rain 10 percent.

FRIDAY NIGHT
Partly cloudy. Lows in the upper 60s. Northeast winds 10 to 15 mph.

SATURDAY THROUGH TUESDAY
Mostly clear. Highs near 80. Lows in the lower 70s.

TUESDAY NIGHT
Partly cloudy with a slight chance of showers. Lows in the lower 70s. Chance of rain 10 percent.

WEDNESDAY
Partly cloudy with a slight chance of showers. Highs near 80. Chance of rain 20 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 7:00 AM EST 3/18/2026

DAY/DATE &
WEATHER FORECAST SUMMARY

Wednesday
18 MAR 2026

1 PM

70°

70°

Mostly Cloudy

23%
RAIN
<.01 in

0% Thunder
( 13% severe)

N 15

76%

62°

High 72°

4 PM

71°

71°

Mostly Cloudy

N 15

76%

63°

Mostly Cloudy

Chance of Rain

7 PM

69°

69°

Mostly Cloudy

24%
RAIN
<.01 in

0% Thunder
( 9% severe)

N 14

81%

63°

10 PM

69°

69°

Mostly Cloudy

NNE 14

84%

64°

Thursday
19 MAR 2026

1 AM

68°

68°

Mostly Cloudy

14%
RAIN
<.01 in

0% Thunder
( 8% severe)

NNE 14

84%

63°

Low 67°

4 AM

68°

68°

Mostly Cloudy

NNE 15

84%

63°

High 78°

7 AM

67°

67°

Mostly Cloudy

5%

0% Thunder
( 5% severe)

NNE 15

84%

62°

Partly Cloudy

10 AM

72°

72°

Partly Cloudy

NNE 15

71%

62°

1 PM

74°

74°

Partly Cloudy

5%

0% Thunder
( 1% severe)

N 16

64%

61°

4 PM

75°

75°

Partly Cloudy

N 14

62%

61°

7 PM

73°

73°

Partly Cloudy

7%

0% Thunder
( 7% severe)

N 12

66%

61°

10 PM

72°

72°

Partly Cloudy

NNE 13

71%

62°

Friday
20 MAR 2026

1 AM

70°

70°

Partly Cloudy

6%

0% Thunder
( 1% severe)

NNE 14

76%

62°

Low 68°

4 AM

69°

69°

Partly Cloudy

NNE 14

78%

62°

High 78°

7 AM

69°

69°

Partly Cloudy

2%

0% Thunder
( 0% severe)

NNE 14

78%

62°

Partly Cloudy

10 AM

73°

73°

Partly Cloudy

NNE 15

66%

61°

1 PM

75°

75°

Clear

7%

0% Thunder
( 1% severe)

NNE 15

62%

61°

4 PM

76°

78°

Clear

N 13

58%

60°

7 PM

72°

72°

Partly Cloudy

NNE 10

66%

60°


KEY WEST, FL extended weather forecast
Saturday 21 MAR 2026	Sunday 22 MAR 2026	Monday 23 MAR 2026	Tuesday 24 MAR 2026	Wednesday 25 MAR 2026
Low 68°	Low 70°	Low 72°	Low 71°	Low 71°
High 79°	High 81°	High 81°	High 80°	High 81°

Clear 12% Rain	Clear 13% Rain	Clear 19% Rain	Mostly Cloudy 43% Rain	Partly Cloudy 32% Rain

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