Weather forecast for 10 daysLongboat Key, FL

Weather forecast for the weekend

Sunday Oct 18, 2026

  • 82°F
  • 68°F
Mostly Sunny / Wind
Mostly Sunny / Wind
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 21mphNE 47°
  • Humidity: 70%
  • UV index: 8
  • Sunrise: 7:32 am EDT
  • Sunset: 6:59 pm EDT
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Today, in Longboat Key, expect breezy and bright conditions throughout.
The temperature will fluctuate from a high of a moderately hot 82.4°F to a low of an agreeable 68°F.
The maximum heat index, which represents the influence of relative humidity on air temperature, is estimated at a blazing 87.8°F. Take into consideration that the heat index values are calculated for shade and light wind conditions.
The highest temperature today will align with the usual October peak of 82.6°F.
Sunrise will be at 7:32 am and sunset at 6:59 pm; the daylight will last for 11h and 26min.

10-day overview

Daily temperatures

Maximum temperature: 82°C.
Coldest period: Sunday - Tuesday 79°C.

Chance of precipitation

Highest chance: Monday 26.10. 15%.

Long-term weather forecast

  • Sunday
  • Oct 18, 2026
  • 82°F
  • 68°F
Mostly Sunny / Wind
Mostly Sunny / Wind
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 21mphNE 47°
  • Humidity: 70%
  • UV index: 8
  • Sunrise: 7:32 am EDT
  • Sunset: 6:59 pm EDT
  • ▼
  • Monday
  • Oct 19, 2026
  • 82°F
  • 64°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 6%
  • Precipitation: 0"
  • Wind: 17mphNE 47°
  • Humidity: 72%
  • UV index: 8
  • Sunrise: 7:32 am EDT
  • Sunset: 6:58 pm EDT
  • ▼
  • Tuesday
  • Oct 20, 2026
  • 81°F
  • 64°F
Sunny
Sunny
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 12mphNE 36°
  • Humidity: 66%
  • UV index: 8
  • Sunrise: 7:33 am EDT
  • Sunset: 6:57 pm EDT
  • ▼
  • Wednesday
  • Oct 21, 2026
  • 82°F
  • 66°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 11mphNNE 28°
  • Humidity: 65%
  • UV index: 8
  • Sunrise: 7:34 am EDT
  • Sunset: 6:56 pm EDT
  • ▼
  • Thursday
  • Oct 22, 2026
  • 81°F
  • 64°F
Sunny
Sunny
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 12mphNNE 24°
  • Humidity: 58%
  • UV index: 7
  • Sunrise: 7:34 am EDT
  • Sunset: 6:55 pm EDT
  • ▼
  • Friday
  • Oct 23, 2026
  • 81°F
  • 66°F
Sunny
Sunny
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 12mphNE 34°
  • Humidity: 59%
  • UV index: 7
  • Sunrise: 7:35 am EDT
  • Sunset: 6:54 pm EDT
  • ▼
  • Saturday
  • Oct 24, 2026
  • 81°F
  • 68°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 12%
  • Precipitation: 0"
  • Wind: 19mphNE 39°
  • Humidity: 67%
  • UV index: 7
  • Sunrise: 7:36 am EDT
  • Sunset: 6:53 pm EDT
  • ▼
  • Sunday
  • Oct 25, 2026
  • 79°F
  • 66°F
Mostly Sunny / Wind
Mostly Sunny / Wind
  • Precip. probability: 12%
  • Precipitation: 0"
  • Wind: 21mphNE 35°
  • Humidity: 68%
  • UV index: 7
  • Sunrise: 7:36 am EDT
  • Sunset: 6:52 pm EDT
  • ▼
  • Monday
  • Oct 26, 2026
  • 79°F
  • 66°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 15%
  • Precipitation: 0"
  • Wind: 17mphNNE 28°
  • Humidity: 66%
  • UV index: 7
  • Sunrise: 7:37 am EDT
  • Sunset: 6:51 pm EDT
  • ▼
  • Tuesday
  • Oct 27, 2026
  • 79°F
  • 66°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 13%
  • Precipitation: 0"
  • Wind: 16mphNNE 18°
  • Humidity: 66%
  • UV index: 7
  • Sunrise: 7:37 am EDT
  • Sunset: 6:51 pm EDT
  • ▼
For the coming ten days, primarily clear and occasionally dull weather is anticipated.
Rain is not expected in Longboat Key in the upcoming period.
The temperature shift across days will be subtle in the forecast period ahead. The maximum temperature will vary between 78.8°F and 82.4°F, while the lowest nightly temperature differences will be also negligible, as the minimum temperature will fluctuate between 64.4°F and 68°F.
Sunday, Monday and Wednesday, with the highest temperature of 82.4°F, will be the warmest days; with a maximum temperature of 78.8°F, next Sunday through next Tuesday will be the coldest days.
Updated: Oct 18, 2026 @ 09:52:39 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Today, sun-drenched skies and noticeable winds are in store.

Today, the maximum temperature will be 82.4°F, while the minimum temperature will be 68°F. The maximum heat index, which integrates air moisture with ambient temperature, is appraised at 87.8°F.
The maximum temperature today will be in line with the average highest temperature in October. The lowest temperature will be relatively lower than the average low of 71.8°F.

On Sunday, in Longboat Key, sunrise will be at 7:32 am and sunset at 6:59 pm (EDT).

In Longboat Key, the length of the day today will be 11h and 26min.