Currently: 79 °F. Thundershowers. Mostly cloudy. (Weather station: Key West International Airport, USA). See more current weatherJanuary 2021 Weather in Key West — Graph
°F
Time
Wind
(mph)
(mph)
Temp
(°F)
(°F)
56
58
60
62
64
66
68
70
72
74
76
78
80
Fri, Jan 1
Lo:73
12 am
Hi:75
16
Lo:73
6 am
Hi:79
12
Lo:75
12 pm
Hi:79
14
Lo:73
6 pm
Hi:75
12
Sat, Jan 2
Lo:73
12 am
Hi:75
12
Lo:73
6 am
Hi:77
12
Lo:75
12 pm
Hi:79
10
Lo:72
6 pm
Hi:73
7
Sun, Jan 3
Lo:73
12 am
Hi:73
6
Lo:73
6 am
Hi:77
7
Lo:75
12 pm
Hi:77
6
Lo:72
6 pm
Hi:73
5
Mon, Jan 4
Lo:70
12 am
Hi:73
7
Lo:70
6 am
Hi:72
11
Lo:68
12 pm
Hi:73
10
Lo:66
6 pm
Hi:66
9
Tue, Jan 5
Lo:64
12 am
Hi:66
10
Lo:63
6 am
Hi:68
12
Lo:64
12 pm
Hi:70
12
Lo:63
6 pm
Hi:63
7
Wed, Jan 6
Lo:63
12 am
Hi:63
9
Lo:63
6 am
Hi:66
9
Lo:63
12 pm
Hi:70
7
Lo:61
6 pm
Hi:63
4
Thu, Jan 7
Lo:61
12 am
Hi:63
5
Lo:64
6 am
Hi:73
9
Lo:73
12 pm
Hi:75
10
Lo:70
6 pm
Hi:73
6
Fri, Jan 8
Lo:72
12 am
Hi:73
8
Lo:70
6 am
Hi:73
9
Lo:70
12 pm
Hi:73
14
Lo:66
6 pm
Hi:70
12
Sat, Jan 9
Lo:64
12 am
Hi:66
12
Lo:64
6 am
Hi:68
12
Lo:63
12 pm
Hi:66
10
Lo:61
6 pm
Hi:63
11
Sun, Jan 10
Lo:57
12 am
Hi:61
9
Lo:57
6 am
Hi:63
9
Lo:61
12 pm
Hi:64
12
Lo:61
6 pm
Hi:63
7
Mon, Jan 11
Lo:61
12 am
Hi:70
9
Lo:70
6 am
Hi:75
11
Lo:70
12 pm
Hi:75
6
Lo:68
6 pm
Hi:70
6
Tue, Jan 12
Lo:70
12 am
Hi:70
2
Lo:70
6 am
Hi:72
7
Lo:70
12 pm
Hi:72
7
Lo:66
6 pm
Hi:70
12
Wed, Jan 13
Lo:64
12 am
Hi:66
11
Lo:64
6 am
Hi:72
10
Lo:63
12 pm
Hi:70
12
Lo:63
6 pm
Hi:64
11
Thu, Jan 14
Lo:64
12 am
Hi:66
7
Lo:63
6 am
Hi:66
11
Lo:64
12 pm
Hi:68
11
Lo:64
6 pm
Hi:66
7
Fri, Jan 15
Lo:64
12 am
Hi:66
4
Lo:64
6 am
Hi:72
8
Lo:70
12 pm
Hi:73
6
Lo:70
6 pm
Hi:72
9
Sat, Jan 16
Lo:66
12 am
Hi:70
14
Lo:66
6 am
Hi:72
13
Lo:66
12 pm
Hi:72
14
Lo:64
6 pm
Hi:64
7
Sun, Jan 17
Lo:63
12 am
Hi:63
5
Lo:61
6 am
Hi:66
7
Lo:64
12 pm
Hi:66
6
Lo:64
6 pm
Hi:68
3
Mon, Jan 18
Lo:64
12 am
Hi:66
4
Lo:64
6 am
Hi:73
6
Lo:66
12 pm
Hi:72
12
Lo:63
6 pm
Hi:64
6
Tue, Jan 19
Lo:64
12 am
Hi:64
9
Lo:64
6 am
Hi:72
12
Lo:70
12 pm
Hi:73
11
Lo:66
6 pm
Hi:66
8
Wed, Jan 20
Lo:64
12 am
Hi:64
8
Lo:64
6 am
Hi:72
9
Lo:68
12 pm
Hi:72
11
Lo:64
6 pm
Hi:66
4
Thu, Jan 21
Lo:63
12 am
Hi:64
6
Lo:63
6 am
Hi:73
7
Lo:70
12 pm
Hi:73
7
Lo:64
6 pm
Hi:66
6
Fri, Jan 22
Lo:63
12 am
Hi:64
4
Lo:63
6 am
Hi:75
3
Lo:73
12 pm
Hi:75
4
Lo:66
6 pm
Hi:70
4
Sat, Jan 23
Lo:64
12 am
Hi:64
2
Lo:64
6 am
Hi:75
4
Lo:72
12 pm
Hi:75
6
Lo:66
6 pm
Hi:70
4
Sun, Jan 24
Lo:64
12 am
Hi:66
4
Lo:66
6 am
Hi:75
6
Lo:72
12 pm
Hi:77
9
Lo:70
6 pm
Hi:72
5
Mon, Jan 25
Lo:70
12 am
Hi:72
7
Lo:72
6 am
Hi:75
11
Lo:73
12 pm
Hi:75
9
Lo:72
6 pm
Hi:73
7
Tue, Jan 26
Lo:70
12 am
Hi:72
4
Lo:70
6 am
Hi:77
4
Lo:75
12 pm
Hi:79
8
Lo:72
6 pm
Hi:73
6
Wed, Jan 27
Lo:70
12 am
Hi:73
2
Lo:70
6 am
Hi:79
4
Lo:75
12 pm
Hi:77
6
Lo:73
6 pm
Hi:75
1
Thu, Jan 28
Lo:72
12 am
Hi:73
4
Lo:72
6 am
Hi:73
15
Lo:68
12 pm
Hi:72
16
Lo:63
6 pm
Hi:68
12
Fri, Jan 29
Lo:61
12 am
Hi:63
13
Lo:61
6 am
Hi:66
13
Lo:66
12 pm
Hi:70
12
Lo:64
6 pm
Hi:66
7
Sat, Jan 30
Lo:64
12 am
Hi:66
7
Lo:64
6 am
Hi:72
10
Lo:70
12 pm
Hi:73
16
Lo:70
6 pm
Hi:72
16
Sun, Jan 31
Lo:72
12 am
Hi:72
15
Lo:72
6 am
Hi:75
12
Lo:73
12 pm
Hi:75
8
Lo:66
6 pm
Hi:73
2
Friday, January 1, 2021, 12:00 am — 6:00 am
75 / 73 °F
Overcast.
Humidity: 88%
Barometer: 30.08 "Hg
SE
Wind: 15.535 mph
High & Low Weather Summary for January 2021
| Temperature | Humidity | Pressure | |
|---|---|---|---|
| High | 78 °F (Jan 1, 11:53 am) | 97% (Jan 3, 9:00 pm) | 30.30 "Hg (Jan 3, 9:00 pm) |
| Low | 57 °F (Jan 10, 5:53 am) | 42% (Jan 5, 1:53 pm) | 29.88 "Hg (Jan 15, 4:53 pm) |
| Average | 69 °F | 79% | 30.09 "Hg |
| * Reported Jan 1 12:53 am — Jan 31 11:53 pm, Key West. Weather by CustomWeather, © 2025 | |||
Note: Actual official high and low records may vary slightly from our data, if they occured in-between our weather recording intervals... More about our weather records
Key West Weather History for January 1, 2021
Scroll right to see more
| Conditions | Comfort | |||||||
|---|---|---|---|---|---|---|---|---|
| Time | Temp | Weather | Wind | Humidity | Barometer | Visibility | ||
| 12:53 am Fri, Jan 1 |  | 74 °F | Mostly cloudy. | 16 mph | ↑ | 91% | 30.09 "Hg | 10 mi |
| 1:31 am |  | 74 °F | Passing clouds. | 20 mph | ↑ | 91% | 30.06 "Hg | 10 mi |
| 1:53 am | | 75 °F | Passing clouds. | 18 mph | ↑ | 85% | 30.06 "Hg | 10 mi |
| 2:53 am | | 74 °F | Overcast. | 16 mph | ↑ | 91% | 30.05 "Hg | 10 mi |
| 3:53 am | | 75 °F | Overcast. | 16 mph | ↑ | 85% | 30.07 "Hg | 10 mi |
| 4:53 am | | 74 °F | Mostly cloudy. | 16 mph | ↑ | 88% | 30.09 "Hg | 10 mi |
| 5:33 am | | 74 °F | Overcast. | 14 mph | ↑ | 88% | 30.10 "Hg | 10 mi |
| 5:43 am | | 74 °F | Overcast. | 13 mph | ↑ | 88% | 30.10 "Hg | 10 mi |
| 5:53 am | | 74 °F | Overcast. | 12 mph | ↑ | 88% | 30.10 "Hg | 10 mi |
| 6:53 am |  | 73 °F | Light rain. Passing clouds. | 7 mph | ↑ | 94% | 30.11 "Hg | 10 mi |
| 8:01 am |  | 74 °F | Partly sunny. | 14 mph | ↑ | 88% | 30.14 "Hg | 10 mi |
| 9:00 am | | 74 °F | Broken clouds. | 9 mph | ↑ | 91% | 30.16 "Hg | 10 mi |
| 9:07 am | | 74 °F | Broken clouds. | 12 mph | ↑ | 91% | 30.16 "Hg | 10 mi |
| 9:53 am | | 75 °F | Broken clouds. | 12 mph | ↑ | 88% | 30.18 "Hg | 10 mi |
| 10:53 am | | 77 °F | More clouds than sun. | 15 mph | ↑ | 85% | 30.16 "Hg | 10 mi |
| 11:53 am | | 78 °F | Broken clouds. | 13 mph | ↑ | 76% | 30.14 "Hg | 10 mi |
| 12:53 pm | | 78 °F | Partly sunny. | 14 mph | ↑ | 82% | 30.12 "Hg | 10 mi |
| 1:53 pm | | 77 °F | Partly sunny. | 15 mph | ↑ | 82% | 30.09 "Hg | 10 mi |
| 2:05 pm |  | 77 °F | Scattered clouds. | 17 mph | ↑ | 79% | 30.09 "Hg | 10 mi |
| 2:53 pm | | 78 °F | Scattered clouds. | 14 mph | ↑ | 79% | 30.09 "Hg | 10 mi |
| 3:53 pm | | 77 °F | Scattered clouds. | 14 mph | ↑ | 85% | 30.09 "Hg | 10 mi |
| 4:53 pm | | 76 °F | Passing clouds. | 14 mph | ↑ | 85% | 30.09 "Hg | 10 mi |
| 5:53 pm | | 75 °F | Passing clouds. | 10 mph | ↑ | 88% | 30.10 "Hg | 10 mi |
| 6:53 pm | | 74 °F | Passing clouds. | 12 mph | ↑ | 91% | 30.11 "Hg | 10 mi |
| 7:53 pm | | 75 °F | Passing clouds. | 14 mph | ↑ | 88% | 30.11 "Hg | 10 mi |
| 9:00 pm | | 74 °F | Overcast. | 10 mph | ↑ | 91% | 30.13 "Hg | 10 mi |
| 9:53 pm | | 74 °F | Overcast. | 12 mph | ↑ | 91% | 30.13 "Hg | 10 mi |
| 10:53 pm | | 75 °F | Overcast. | 14 mph | ↑ | 88% | 30.14 "Hg | 10 mi |
| 11:53 pm | | 75 °F | Overcast. | 14 mph | ↑ | 88% | 30.13 "Hg | 10 mi |
| Weather by CustomWeather, © 2025 | ||||||||