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Monthly weather forecast in Key West
30 days
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
30 days
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Sun
Sunday
Mon
Monday
Tue
Tuesday
Wed
Wednesday
Thu
Thursday
Fri
Friday
Sat
Saturday
1 September
+29
+29
1 September, sun
+29
+29
Feels like
+33
761 mmHg
75%
5.5
m/s
E
+30
1 September, Sunday. day, 29°; night, 29°; partly cloudy
2
+29
+29
2 September, mon
+29
+29
Feels like
+32
761 mmHg
74%
5.4
m/s
E
+30
2 September, Monday. day, 29°; night, 29°; partly cloudy
3
+29
+29
3 September, tue
+29
+29
Feels like
+33
761 mmHg
74%
4.5
m/s
E
+30
3 September, Tuesday. day, 29°; night, 29°; rain
4
+30
+29
4 September, wed
+30
+29
Feels like
+32
761 mmHg
74%
5.5
m/s
E
+30
4 September, Wednesday. day, 30°; night, 29°; rain
5
+29
+29
5 September, thu
+29
+29
Feels like
+33
761 mmHg
74%
5.4
m/s
E
+30
5 September, Thursday. day, 29°; night, 29°; partly cloudy
6
+29
+28
6 September, fri
+29
+28
Feels like
+32
761 mmHg
73%
4.8
m/s
E
+30
6 September, Friday. day, 29°; night, 28°; rain
7
September
+32
+29
7 September, sat
+32
+29
Feels like
+35
758 mmHg
76%
5
m/s
SE
+31
Climate normal
+29
+29
7 September, Saturday. day, 32°; night, 29°; light rain
8
+32
+29
8 September, sun
+32
+29
Feels like
+34
759 mmHg
75%
6
m/s
SE
+31
Climate normal
+29
+29
8 September, Sunday. day, 32°; night, 29°; light rain
9
+32
+29
9 September, mon
+32
+29
Feels like
+35
760 mmHg
79%
4.8
m/s
SE
+31
Climate normal
+29
+28
9 September, Monday. day, 32°; night, 29°; rain
10
+32
+29
10 September, tue
+32
+29
Feels like
+35
759 mmHg
79%
5.3
m/s
E
+31
Climate normal
+29
+28
10 September, Tuesday. day, 32°; night, 29°; light rain
11
+32
+29
11 September, wed
+32
+29
Feels like
+35
759 mmHg
77%
4.7
m/s
E
+31
Climate normal
+29
+29
11 September, Wednesday. day, 32°; night, 29°; light rain
12
+32
+29
12 September, thu
+32
+29
Feels like
+35
759 mmHg
78%
4.4
m/s
SE
+31
Climate normal
+29
+28
12 September, Thursday. day, 32°; night, 29°; light rain
13
+32
+29
13 September, fri
+32
+29
Feels like
+36
760 mmHg
78%
4
m/s
SE
+31
Climate normal
+29
+29
13 September, Friday. day, 32°; night, 29°; light rain
14
+32
+28
14 September, sat
+32
+28
Feels like
+33
759 mmHg
76%
4.6
m/s
NE
+32
Climate normal
+29
+29
14 September, Saturday. day, 32°; night, 28°; light rain
15
+32
+28
15 September, sun
+32
+28
Feels like
+34
758 mmHg
77%
4.6
m/s
NE
+32
Climate normal
+29
+28
15 September, Sunday. day, 32°; night, 28°; heavy rain
16
+32
+28
16 September, mon
+32
+28
Feels like
+33
758 mmHg
77%
4.8
m/s
NE
+32
Climate normal
+29
+28
16 September, Monday. day, 32°; night, 28°; light rain
17
+31
+28
17 September, tue
+31
+28
Feels like
+33
758 mmHg
77%
5.5
m/s
E
Climate normal
+29
+28
17 September, Tuesday. day, 31°; night, 28°; partly cloudy
18
+32
+29
18 September, wed
+32
+29
Feels like
+34
759 mmHg
75%
5.9
m/s
SE
Climate normal
+29
+28
18 September, Wednesday. day, 32°; night, 29°; partly cloudy
19
+28
+28
19 September, thu
+28
+28
Feels like
+28
759 mmHg
80%
9.2
m/s
E
Climate normal
+29
+28
19 September, Thursday. day, 28°; night, 28°; rain
20
+29
+28
20 September, fri
+29
+28
Feels like
+28
757 mmHg
79%
7.7
m/s
E
Climate normal
+29
+28
20 September, Friday. day, 29°; night, 28°; rain
21
+29
+29
21 September, sat
+29
+29
Feels like
+32
757 mmHg
78%
4.7
m/s
E
Climate normal
+29
+28
21 September, Saturday. day, 29°; night, 29°; rain
22
+30
+30
22 September, sun
+30
+30
Feels like
+32
759 mmHg
74%
4.4
m/s
S
Climate normal
+29
+28
22 September, Sunday. day, 30°; night, 30°; mostly clear
23
+30
+30
23 September, mon
+30
+30
Feels like
+32
759 mmHg
77%
6.1
m/s
E
Climate normal
+29
+28
23 September, Monday. day, 30°; night, 30°; light rain
24
+30
+30
24 September, tue
+30
+30
Feels like
+33
758 mmHg
77%
5.9
m/s
E
Climate normal
+29
+28
24 September, Tuesday. day, 30°; night, 30°; clear
25
+30
+30
25 September, wed
+30
+30
Feels like
+31
757 mmHg
76%
5.2
m/s
NE
Climate normal
+29
+28
25 September, Wednesday. day, 30°; night, 30°; light rain
26
+30
+30
26 September, thu
+30
+30
Feels like
+31
758 mmHg
74%
4.8
m/s
E
Climate normal
+29
+28
26 September, Thursday. day, 30°; night, 30°; light rain
27
+30
+30
27 September, fri
+30
+30
Feels like
+32
759 mmHg
76%
7
m/s
E
Climate normal
+29
+28
27 September, Friday. day, 30°; night, 30°; rain
28
+29
+29
28 September, sat
+29
+29
Feels like
+29
759 mmHg
78%
8.3
m/s
NE
Climate normal
+29
+28
28 September, Saturday. day, 29°; night, 29°; rain
29
+29
+29
29 September, sun
+29
+29
Feels like
+30
757 mmHg
78%
8.1
m/s
E
Climate normal
+29
+28
29 September, Sunday. day, 29°; night, 29°; rain
30
+29
+29
30 September, mon
+29
+29
Feels like
+31
755 mmHg
78%
6.8
m/s
E
Climate normal
+29
+28
30 September, Monday. day, 29°; night, 29°; rain
1 October
+29
+29
1 October, tue
+29
+29
Feels like
+32
755 mmHg
77%
3.8
m/s
SE
Climate normal
+28
+28
1 October, Tuesday. day, 29°; night, 29°; light rain
2
+29
+28
2 October, wed
+29
+28
Feels like
+32
756 mmHg
80%
5.6
m/s
S
Climate normal
+28
+28
2 October, Wednesday. day, 29°; night, 28°; rain
3
+29
+29
3 October, thu
+29
+29
Feels like
+29
755 mmHg
82%
8
m/s
S
Climate normal
+28
+28
3 October, Thursday. day, 29°; night, 29°; rain
4
+29
+29
4 October, fri
+29
+29
Feels like
+31
755 mmHg
81%
6
m/s
SW
Climate normal
+28
+27
4 October, Friday. day, 29°; night, 29°; light rain
5
+29
+29
5 October, sat
+29
+29
Feels like
+33
757 mmHg
76%
2.8
m/s
SE
Climate normal
+28
+27
5 October, Saturday. day, 29°; night, 29°; rain
Average for 30 days
6
sunny days
22
days with precipitation
2
cloudy days
6 sunny days; 22 days with precipitation; 2 cloudy days;
78
%
air humidity
5.6
m/s
Wind
E
62
mm of precipitation
(10% of annual average)
+31
°C
Water temperature
air humidity 78%; 62 millimeters of precipitation (10% of annual average); Wind easterly 5.6 Meters per second; Water temperature +31°
Forecast in graphs
Temperature
Humidity, %
Wind, m/s
Pressure, mmHg
SE
SE
SE
E
E
SE
SE
NE
NE
NE
E
SE
E
E
E
S
E
E
NE
E
E
NE
E
E
SE
S
S
SW
SE
SE
7
Average data for 10 years
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
1
October
2
3
4
5
6
Daytime temperature
Night-time temperature
