10-Day Weather Forecast for Key West (FL)

Six-hourly outlook through Tuesday 15 September. Updated every three hours via MET Norway.

Day
Night
02:00
Morning
08:00
Afternoon
14:00
Evening
20:00
Sunday
6 Sep
Partly cloudy
30°C (86°F)
0.1 mm (0 in)
Heavy rain showers
30°C (86°F)
6.8 mm (0.3 in)
Partly cloudy
27°C (81°F)
0.2 mm (0.01 in)
Partly cloudy
29°C (84°F)
0 mm (0 in)
Hourly ›
Monday
7 Sep
Rain showers
29°C (84°F)
2.2 mm (0.1 in)
Rain showers
27°C (81°F)
2.7 mm (0.1 in)
Rain showers
28°C (82°F)
1.5 mm (0.1 in)
Mostly clear
29°C (84°F)
0.1 mm (0 in)
Hourly ›
Tuesday
8 Sep
Rain showers
29°C (84°F)
3.1 mm (0.1 in)
Rain showers
28°C (82°F)
1.6 mm (0.1 in)
Cloudy
28°C (82°F)
0.3 mm (0.01 in)
Mostly clear
30°C (86°F)
0.2 mm (0.01 in)
Hourly ›
Wednesday
9 Sep
Heavy rain showers
30°C (86°F)
5.3 mm (0.2 in)
Rain
27°C (81°F)
1.7 mm (0.1 in)
Partly cloudy
29°C (84°F)
0.1 mm (0 in)
Light rain showers
30°C (86°F)
0.9 mm (0.04 in)
Hourly ›
Thursday
10 Sep
Mostly clear
30°C (86°F)
0.3 mm (0.01 in)
Partly cloudy
29°C (84°F)
0 mm (0 in)
Heavy rain showers
31°C (88°F)
8.1 mm (0.3 in)
Cloudy
28°C (82°F)
0.4 mm (0.02 in)
Hourly ›
Friday
11 Sep
Rain showers
29°C (84°F)
2 mm (0.1 in)
Cloudy
27°C (81°F)
0.4 mm (0.02 in)
Light rain showers
29°C (84°F)
0.6 mm (0.02 in)
Cloudy
29°C (84°F)
0 mm (0 in)
Hourly ›
Saturday
12 Sep
Light rain showers
29°C (84°F)
0.8 mm (0.03 in)
Light rain showers
28°C (82°F)
0.9 mm (0.04 in)
Clear skies
28°C (82°F)
0.5 mm (0.02 in)
Mostly clear
29°C (84°F)
0.4 mm (0.02 in)
Hourly ›
Sunday
13 Sep
Rain showers
29°C (84°F)
2.2 mm (0.1 in)
Rain showers
29°C (84°F)
2.6 mm (0.1 in)
Light rain showers
28°C (82°F)
0.9 mm (0.04 in)
Cloudy
28°C (82°F)
0 mm (0 in)
Hourly ›
Monday
14 Sep
Cloudy
29°C (84°F)
0 mm (0 in)
Partly cloudy
29°C (84°F)
0 mm (0 in)
Clear skies
30°C (86°F)
0 mm (0 in)
Cloudy
29°C (84°F)
0 mm (0 in)
Hourly ›
Tuesday
15 Sep
Cloudy
29°C (84°F)
0 mm (0 in)
Hourly ›
Data from MET Norway · Updated every three hours.

What's the weather in Key West this week?

Today's weather - Sunday 6 Sep

For Sunday the predicted weather in Key West is partly cloudy with significant rainfall during the morning. The maximum temperature is a very warm 30°C (86°F), while the minimum temperature is a warm 27°C (81°F).

Tomorrow's weather - Monday 7 Sep

For Monday the forecast for Key West is rain showers throughout the day. High temperatures will reach a warm 29°C (84°F), with lows dropping to around 27°C (81°F).

10-Day Weather Forecast

Over the next 10 days, temperatures in Key West will be will remain fairly stable, with average daytime highs of 30°C (86°F) and nighttime lows of 27°C (81°F) over this period. These values are typical for September. Precipitation will be about normal, with some rainy days. Precipitation is likely on about 8 days (Sun, Mon, Tue, Wed, Thu, Fri, Sat, Sun).

Weather Forecast FAQ for Key West

When will be the warmest day next week?

The warmest day is expected to be Thursday with a high of 31°C (88°F).

When will be the coldest day?

The coldest day is forecasted for Wednesday with a low of 27°C (81°F).

Will it rain next week in Key West?

Yes, rain is expected on 8 days , specifically on Sun, Mon, Tue, Wed, Thu, Fri, Sat, Sun.

How much rainfall is expected next week?

A total of 47 mm (1.9 in) of rain is forecasted for the 10-day period.

What will be the temperature range next week?

Temperatures will range from 27°C (81°F) to 31°C (88°F).

More about Key West

Explore the full Key West climate overview with monthly averages, or check rainfall data and temperature by month.

Key West weather by month

Browse monthly averages for Key West: climate by month with temperature, rainfall and sunshine.

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