Weather StoryAlmanac, microseasons, and the day's weather story.

Weather in Key West, Florida

Flowers spill across the islands. Day 59 of spring. Read this microseason across nine climate regions →

Key West, FL
Sunday, May 17 at 12:51 AM
83
°
Clear
Feels like
88°
Humidity
74%
Wind
11 mph
Sunrise
6:42 AM
Sunset
8:04 PM
Key West, FL
Hour by hour · 24h
81°
8p
80°
9p
79°
10p
78°
11p
77°
12a
76°
1a
77°
2a
75°
3a
75°
4a
74°
5a
75°
6a
75°
7a
81°
8a
82°
9a
83°
10a
85°
11a
86°
12p
88°
1p
88°
2p
88°
3p
87°
4p
86°
5p
85°
6p
84°
7p
L 74°H 88°
Key West, FL
7-day forecast
  1. Today
    May 16
    Thunderstorm
    12%
    89°76°
  2. Sunday
    May 17
    Thunderstorm
    16%
    86°80°
  3. Monday
    May 18
    Light Drizzle
    24%
    84°80°
  4. Tuesday
    May 19
    Light Drizzle
    15%
    83°81°
  5. Wednesday
    May 20
    Drizzle
    16%
    82°81°
  6. Thursday
    May 21
    Drizzle
    82°81°
  7. Friday
    May 22
    Overcast
    12%
    83°81°
Key West, FL
Anemometer · 24h winds · from true
NESW
From · True
E
095° · veering 68°
Direction
E
095°
Sustained
11
mph
Gust
15
mph
Peak 24h
17
avg 8
Beaufort · 3 · GENTLE BRZ
0
CALM
<1
1
LIGHT AIR
1–3
2
LIGHT BRZ
4–7
3
GENTLE BRZ
8–12
4
MOD BRZ
13–18
5
FRESH BRZ
19–24
6
STRONG BRZ
25–31
7
NEAR GALE
32–38
24h · sust vs gust · mph
avg 8 · pk 17 @ 10:00p
−24h−18h−12h−6hnow
Light breeze veering 68° from the e.
Key West, FL
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
1016.7
-0.1 mb in 3h · steady · 30.02 inHg
Now
1016.7
mb
3h
-0.1
mb
12h
-2.2
mb
24h
-0.6
mb
Regime · FAIR
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 10151019
−24h−18h−12h−6hnow
Fair, steady air — a quiet anticyclone holds the sky.
Key West, FL
Air quality
37
AQI
Good
PM 2.5
6.8 μg/m³
PM 10
10.5 μg/m³
NO₂
0.8 μg/m³
Ozone
81.0 μg/m³
UV Index
0.0 Low
Key West, FL
Almanac · Sunday, May 17
When the dew is on the grass, rain will never come to pass.
Civil dawn
10:19 AM
Sunrise
6:42 AM
Daylight
13h 22m
Sunset
8:04 PM
Civil dusk
12:29 AM
Planting note
Direct sow okra, melons, and southern peas. Thin carrot rows.
Key West, FL
The moon
New Moon
0% illuminated
Moonrise
11:02 AM
Moonset
12:19 AM
In sign
♉︎ Taurus
Key West, FL
Microseason · 28 of 72
May 16–20

Flowers spill across the islands

bird
Jan 137% of the yearDec 31

Read this microseason across nine climate regions →

Key West at a glance

  • Today vs. normal: 4°F below the seasonal normal for this latitude
  • Last frost: January 13 (climatological average for this latitude)
  • Microseason: 28 of 72, May 16–20
  • Planting window: Direct sow okra, melons, and southern peas. Thin carrot rows.

Right now in the garden

Peak growing season

As of May 17, the growing season is at its peak — frost is months away. Continue succession-planting beans and summer squash. Start fall brassicas (broccoli, cabbage, kale) from seed indoors for transplanting in late summer.

ZIP codes in Key West

Climate normals from the Open-Meteo Climate API. Köppen approximation from NOAA NCEI U.S. Climate Regions. See methodology for data sources, editorial rules, and corrections. Maintainer: Brian Tighe.