Weather forecast for 10 daysLong Key, FL

Weather forecast for the weekend

Sunday Oct 18, 2026

  • 82°F
  • 79°F
Thunderstorms / Wind
Thunderstorms / Wind
  • Precip. probability: 65%
  • Precipitation: 0.75"
  • Wind: 23mphNE 43°
  • Humidity: 82%
  • UV index: 6
  • Sunrise: 7:22 am EDT
  • Sunset: 6:53 pm EDT
  • ▼
On Sunday, in Long Key, scattered storms and wind surges are both likely.
The chance of rain for today is high, and precipitation will be moderate. Temperatures will experience a minor oscillation, reaching a high of a temperate 82.4°F and dropping to a low of a warm 78.8°F.
The maximum heat index, which reflects the perceived temperature due to humidity levels, is appraised at a tropical 89.6°F. Note that heat index values are valued for light wind and location in the shade.
Sunrise will be at 7:22 am and sunset at 6:53 pm; the daylight will last for 11h and 31min.

10-day overview

Daily temperatures

Maximum temperature: 84°C.
Coldest day: Tuesday 27.10. 81°C.

Chance of precipitation

Highest chance: today 65%.

Long-term weather forecast

  • Sunday
  • Oct 18, 2026
  • 82°F
  • 79°F
Thunderstorms / Wind
Thunderstorms / Wind
  • Precip. probability: 65%
  • Precipitation: 0.75"
  • Wind: 23mphNE 43°
  • Humidity: 82%
  • UV index: 6
  • Sunrise: 7:22 am EDT
  • Sunset: 6:53 pm EDT
  • ▼
  • Monday
  • Oct 19, 2026
  • 84°F
  • 77°F
AM Showers / Wind
AM Showers / Wind
  • Precip. probability: 39%
  • Precipitation: 0.04"
  • Wind: 22mphNE 53°
  • Humidity: 70%
  • UV index: 8
  • Sunrise: 7:23 am EDT
  • Sunset: 6:52 pm EDT
  • ▼
  • Tuesday
  • Oct 20, 2026
  • 82°F
  • 75°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 15%
  • Precipitation: 0"
  • Wind: 19mphNE 41°
  • Humidity: 70%
  • UV index: 9
  • Sunrise: 7:23 am EDT
  • Sunset: 6:52 pm EDT
  • ▼
  • Wednesday
  • Oct 21, 2026
  • 84°F
  • 75°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 11%
  • Precipitation: 0"
  • Wind: 15mphNNE 30°
  • Humidity: 67%
  • UV index: 8
  • Sunrise: 7:24 am EDT
  • Sunset: 6:51 pm EDT
  • ▼
  • Thursday
  • Oct 22, 2026
  • 82°F
  • 75°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 24%
  • Precipitation: 0.08"
  • Wind: 13mphNNE 33°
  • Humidity: 68%
  • UV index: 8
  • Sunrise: 7:24 am EDT
  • Sunset: 6:50 pm EDT
  • ▼
  • Friday
  • Oct 23, 2026
  • 82°F
  • 75°F
PM Showers
PM Showers
  • Precip. probability: 35%
  • Precipitation: 0.12"
  • Wind: 14mphNE 42°
  • Humidity: 70%
  • UV index: 8
  • Sunrise: 7:25 am EDT
  • Sunset: 6:49 pm EDT
  • ▼
  • Saturday
  • Oct 24, 2026
  • 82°F
  • 73°F
PM Showers
PM Showers
  • Precip. probability: 40%
  • Precipitation: 0.24"
  • Wind: 18mphNNE 33°
  • Humidity: 69%
  • UV index: 8
  • Sunrise: 7:26 am EDT
  • Sunset: 6:48 pm EDT
  • ▼
  • Sunday
  • Oct 25, 2026
  • 82°F
  • 73°F
AM Showers / Wind
AM Showers / Wind
  • Precip. probability: 40%
  • Precipitation: 0.08"
  • Wind: 21mphNNE 32°
  • Humidity: 72%
  • UV index: 8
  • Sunrise: 7:26 am EDT
  • Sunset: 6:48 pm EDT
  • ▼
  • Monday
  • Oct 26, 2026
  • 82°F
  • 73°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 21%
  • Precipitation: 0"
  • Wind: 19mphNNE 26°
  • Humidity: 68%
  • UV index: 8
  • Sunrise: 7:27 am EDT
  • Sunset: 6:47 pm EDT
  • ▼
  • Tuesday
  • Oct 27, 2026
  • 81°F
  • 75°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 24%
  • Precipitation: 0"
  • Wind: 17mphNNE 22°
  • Humidity: 70%
  • UV index: 8
  • Sunrise: 7:27 am EDT
  • Sunset: 6:46 pm EDT
  • ▼
For the next ten days, a combination of cloud-filled, damp and storm-filled weather is predicted.
Rain is expected on Sunday, Monday, Thursday through next Sunday.
The variation in maximum temperature will be negligible during the next few days. The maximum temperature will vary between 80.6°F and 84.2°F, while fluctuations in the night’s lowest temperature will be also minimal, as night temperatures will lie between 73.4°F and 78.8°F.
Monday and Wednesday, with the highest temperature of 84.2°F, will be the hottest days; next Tuesday will be the coldest day, with the highest temperature of 80.6°F.
Including the humidity's impact, the maximum feel-like temperature may increase and range between 84.2°F and a humid 91.4°F.
Updated: Oct 18, 2026 @ 10:58:46 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Today, thunder and wind gusts are both likely under unsettled skies.

Moderate precipitation of 0.75" is forecasted. The likelihood of rainfall is 65%.

Today, the maximum temperature will be 82.4°F, while the minimum temperature will be 78.8°F. The maximum heat index, which reflects the perceived temperature due to humidity levels, is calculated to be 89.6°F.

On Sunday, in Long Key, sunrise will be at 7:22 am and sunset at 6:53 pm (EDT).

In Long Key, today, there will be 11h and 31min of daylight.