Weather forecast for tomorrowHighland Beach, FL

Weather forecast for tomorrow

Sunday Oct 18, 2026

  • 81°F
  • 77°F
Scattered Thunderstorms / Wind
Scattered Thunderstorms / Wind
  • Precip. probability: 79%
  • Precipitation: 0.43"
  • Wind: 22mphNE 36°
  • Humidity: 76%
  • UV index: 4
  • Sunrise: 7:21 am EDT
  • Sunset: 6:49 pm EDT
  • ▼
Tomorrow, on Sunday, scattered thunderstorms are expected, with gusty winds making conditions a bit rough.
With a high probability, moderate precipitation is forecasted. A mild temperature range, peaking at a warm 80.6°F and bottoming out at a moderately hot 77°F, is anticipated.
The maximum heat index, which calculates the temperature value influenced by the moisture in the air, is calculated to be 84.2°F.
Tomorrow's high temperature will mirror the usual October maximum of 82.6°F.
Sunrise will be at 7:21 am and sunset at 6:49 pm; tomorrow's daylight will last for 11h and 28min.

Hourly overview

Hourly temperatures

Warmest hour: 12 pm 86°C.
Coldest hour: 3 am 81°C.

Chance of precipitation

Highest chance: 3 am 88%.

Hourly weather forecast

  • 12 am
  • 77°F
  • Feels like:
    82°F
Thunderstorms
Thunderstorms
  • Precip. probability: 73%
  • Precipitation: 0.04"
  • Wind: 16mphN 2°
  • Humidity: 90%
  • Pressure: 30"Hg
  • Visibility: 6mi
  • UV index: 0
  • ▼
  • 2 am
  • 75°F
  • Feels like:
    81°F
Thunderstorms
Thunderstorms
  • Precip. probability: 67%
  • Precipitation: 0.04"
  • Wind: 16mphN 5°
  • Humidity: 91%
  • Pressure: 29.97"Hg
  • Visibility: 6mi
  • UV index: 0
  • ▼
  • 4 am
  • 77°F
  • Feels like:
    82°F
Thunderstorms
Thunderstorms
  • Precip. probability: 86%
  • Precipitation: 0.12"
  • Wind: 16mphNNE 15°
  • Humidity: 88%
  • Pressure: 29.97"Hg
  • Visibility: 6mi
  • UV index: 0
  • ▼
  • 6 am
  • 77°F
  • Feels like:
    82°F
Scattered Thunderstorms
Scattered Thunderstorms
  • Precip. probability: 44%
  • Precipitation: 0.04"
  • Wind: 17mphNNE 23°
  • Humidity: 85%
  • Pressure: 29.97"Hg
  • Visibility: 7mi
  • UV index: 0
  • ▼
Sunrise: 7:21 am
  • 8 am
  • 77°F
  • Feels like:
    82°F
Thunderstorms
Thunderstorms
  • Precip. probability: 61%
  • Precipitation: 0.08"
  • Wind: 17mphNNE 31°
  • Humidity: 84%
  • Pressure: 30"Hg
  • Visibility: 6mi
  • UV index: 0
  • ▼
  • 10 am
  • 81°F
  • Feels like:
    84°F
Scattered Thunderstorms / Wind
Scattered Thunderstorms / Wind
  • Precip. probability: 44%
  • Precipitation: 0.04"
  • Wind: 20mphNE 34°
  • Humidity: 77%
  • Pressure: 30.03"Hg
  • Visibility: 7mi
  • UV index: 1
  • ▼
  • 12 pm
  • 81°F
  • Feels like:
    86°F
Showers / Wind
Showers / Wind
  • Precip. probability: 49%
  • Precipitation: 0.08"
  • Wind: 20mphNE 40°
  • Humidity: 74%
  • Pressure: 30.03"Hg
  • Visibility: 7mi
  • UV index: 3
  • ▼
  • 2 pm
  • 81°F
  • Feels like:
    86°F
Few Showers / Wind
Few Showers / Wind
  • Precip. probability: 34%
  • Precipitation: 0.04"
  • Wind: 22mphNE 41°
  • Humidity: 75%
  • Pressure: 30"Hg
  • Visibility: 9mi
  • UV index: 3
  • ▼
  • 4 pm
  • 81°F
  • Feels like:
    86°F
Mostly Cloudy / Wind
Mostly Cloudy / Wind
  • Precip. probability: 24%
  • Precipitation: 0"
  • Wind: 21mphNE 39°
  • Humidity: 71%
  • Pressure: 30"Hg
  • Visibility: 9mi
  • UV index: 2
  • ▼
  • 6 pm
  • 81°F
  • Feels like:
    84°F
Mostly Cloudy / Wind
Mostly Cloudy / Wind
  • Precip. probability: 16%
  • Precipitation: 0"
  • Wind: 21mphNE 36°
  • Humidity: 70%
  • Pressure: 30"Hg
  • Visibility: 9mi
  • UV index: 0
  • ▼
Sunset: 6:49 pm
  • 8 pm
  • 79°F
  • Feels like:
    82°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 9%
  • Precipitation: 0"
  • Wind: 19mphNE 36°
  • Humidity: 71%
  • Pressure: 30"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 pm
  • 79°F
  • Feels like:
    82°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 16%
  • Precipitation: 0"
  • Wind: 19mphNE 39°
  • Humidity: 70%
  • Pressure: 30.03"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Tomorrow, a combination of storm-filled, cloud-filled and rainy weather is anticipated.
Rain is predicted from 12 am to 2 pm. With moderate precipitation of 0.2", most rainfall is expected at 1 pm.
The temperature variation throughout the day will be unnoticeable, with a minimum of 75.2°F and a maximum of 80.6°F. The warmest part of the day will be from 10 am to 6 pm.
The highest temperature tomorrow will be similar to October's typical maximum. The temperature low is forecasted to be also resembling the usual October value of 76.6°F.
Updated: Oct 17, 2026 @ 18:11:56 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Tomorrow, in Highland Beach, scattered thunderstorms are forecasted, and winds will pick up as the storm system moves through.

Moderate precipitation of 0.43" is anticipated. The possibility of rainfall is 79%.

Tomorrow, the highest temperature will be 80.6°F, while the lowest temperature will be 77°F. The maximum heat index, which adjusts the air temperature based on humidity, is assessed at 84.2°F.
The maximum temperature will be in line with the average highest temperature of 82.6°F in October. The lowest temperature tomorrow will be also in line with the average low temperature.

On Sunday, in Highland Beach, sunrise will be at 7:21 am and sunset at 6:49 pm (EDT).

In Highland Beach, the length of the day tomorrow will be 11h and 28min.