Key West, FL 14-Day Forecast
Florida, United States 🇺🇸
86°
Light rain right now
Today: high 87°, low 86°
Updated 5 hours ago
Key West weather for the next 14 days
Thursday, August 27
Patchy rain nearby High 86° Low 85°Precipitation
70%
· 0.19 in
Max wind
18 mph
Humidity
71%
UV index
11 - Extreme
Sunrise / sunset
07:06 AM / 07:50 PM
Friday, August 28
Patchy rain nearby High 86° Low 83°Precipitation
79%
· 0.42 in
Max wind
17 mph
Humidity
70%
UV index
7 - High
Sunrise / sunset
07:06 AM / 07:49 PM
Saturday, August 29
Patchy rain nearby High 87° Low 85°Precipitation
37%
· 0.03 in
Max wind
16 mph
Humidity
72%
UV index
8 - Very High
Sunrise / sunset
07:07 AM / 07:48 PM
Sunday, August 30
Patchy rain nearby High 87° Low 85°Precipitation
57%
· 0.05 in
Max wind
17 mph
Humidity
72%
UV index
8 - Very High
Sunrise / sunset
07:07 AM / 07:47 PM
Monday, August 31
Overcast High 86° Low 86°Precipitation
36%
· 0.01 in
Max wind
17 mph
Humidity
72%
UV index
8 - Very High
Sunrise / sunset
07:08 AM / 07:46 PM
Tuesday, September 1
Light rain shower High 87° Low 86°Precipitation
73%
· 0.18 in
Max wind
18 mph
Humidity
73%
UV index
8 - Very High
Sunrise / sunset
07:08 AM / 07:45 PM
Wednesday, September 2
Patchy rain nearby High 87° Low 86°Precipitation
57%
· 0.06 in
Max wind
20 mph
Humidity
71%
UV index
8 - Very High
Sunrise / sunset
07:08 AM / 07:44 PM
Thursday, September 3
Light rain shower High 86° Low 84°Precipitation
77%
· 0.36 in
Max wind
18 mph
Humidity
72%
UV index
7 - High
Sunrise / sunset
07:09 AM / 07:43 PM
Friday, September 4
Sunny High 86° Low 84°Precipitation
10%
· 0.0 in
Max wind
17 mph
Humidity
68%
UV index
7 - High
Sunrise / sunset
07:09 AM / 07:42 PM
Saturday, September 5
Sunny High 86° Low 84°Precipitation
8%
· 0.0 in
Max wind
6 mph
Humidity
68%
UV index
7 - High
Sunrise / sunset
07:09 AM / 07:41 PM
Sunday, September 6
Sunny High 86° Low 85°Precipitation
4%
· 0.0 in
Max wind
5 mph
Humidity
66%
UV index
8 - Very High
Sunrise / sunset
07:10 AM / 07:40 PM
Monday, September 7
Sunny High 87° Low 84°Precipitation
57%
· 0.06 in
Max wind
6 mph
Humidity
67%
UV index
8 - Very High
Sunrise / sunset
07:10 AM / 07:39 PM
Tuesday, September 8
Patchy rain nearby High 87° Low 85°Precipitation
77%
· 0.28 in
Max wind
20 mph
Humidity
72%
UV index
7 - High
Sunrise / sunset
07:10 AM / 07:38 PM
Key West 14-day outlook: the story
The warmest day of Key West's 14-day outlook is Monday, September 7 with a high near 87°F (30°C); the coolest night comes Friday, August 28, dipping to 83°F (28°C). Temperatures hold fairly steady from week to week. Highs over the next two weeks average 87°F (30°C), right in line with the typical August high of 86°F (30°C).
Precipitation is most likely on Wednesday 26, Thursday 27, Friday 28, Sunday 30 and beyond; the wettest day looks like Wednesday, August 26 with about 0.46 in (11.7 mm) expected. For the weekend, expect Saturday 87°F (30°C) and patchy rain nearby / Sunday 87°F (30°C) and patchy rain nearby.
For typical conditions month by month, see the Key West climate & average temperatures guide.
Key West forecast questions
Will it rain in Key West this week?
The forecast currently shows meaningful precipitation chances on 9 of the next 14 days, peaking around Wednesday, August 26.
What will be the warmest day in Key West over the next 14 days?
Monday, September 7, with a forecast high near 87°F (30°C).
How accurate is a 14-day forecast for Key West?
Days 1-3 are highly reliable, days 4-7 capture the overall pattern well, and days 8-14 indicate trends rather than exact figures - check back as the date approaches; this page refreshes throughout the day.
Average temperatures in Key West by month
| Month | High | Low | Rain days | Precipitation | Sunshine | Humidity |
|---|---|---|---|---|---|---|
| January | 73° | 69° | 8 | 1.9 in | 9.4 h/day | 78% |
| February | 74° | 70° | 6 | 1.4 in | 10.3 h/day | 79% |
| March | 76° | 73° | 4 | 1.5 in | 11.0 h/day | 76% |
| April | 78° | 75° | 6 | 1.6 in | 12.1 h/day | 76% |
| May | 81° | 78° | 11 | 3.6 in | 12.1 h/day | 76% |
| June | 83° | 80° | 16 | 5.5 in | 11.3 h/day | 79% |
| July | 85° | 82° | 15 | 3.6 in | 12.2 h/day | 77% |
| August | 86° | 82° | 18 | 5.1 in | 11.5 h/day | 77% |
| September | 85° | 81° | 19 | 6.6 in | 10.5 h/day | 78% |
| October | 82° | 79° | 16 | 5.0 in | 10.0 h/day | 77% |
| November | 79° | 76° | 8 | 3.0 in | 9.7 h/day | 77% |
| December | 75° | 72° | 7 | 2.6 in | 9.3 h/day | 80% |
14-day forecasts nearby