Weather forecast for tomorrowBoynton Beach, FL

Weather forecast for tomorrow

Sunday Oct 18, 2026

  • 82°F
  • 77°F
AM Showers / Wind
AM Showers / Wind
  • Precip. probability: 61%
  • Precipitation: 0.08"
  • Wind: 20mphNE 35°
  • Humidity: 70%
  • UV index: 5
  • Sunrise: 7:21 am EDT
  • Sunset: 6:49 pm EDT
  • ▼
On Sunday, October 18, passing rain showers and strong winds will create a breezy and damp morning.
Minimal precipitation is expected for tomorrow. A daytime temperature reaching up to a moderately hot 82.4°F will subtly contrast with a nighttime low of a warm 77°F.
The maximum heat index, which combines air temperature and relative humidity, is estimated at a humid 87.8°F. Take into consideration that the heat index values are calculated for shade and light wind conditions.
The expected daytime maximum should align with the typical October high of 81.9°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 period: 12 am - 6 am 81°C.

Chance of precipitation

Highest chance: 3 am 66%.

Hourly weather forecast

  • 12 am
  • 77°F
  • Feels like:
    81°F
Scattered Thunderstorms
Scattered Thunderstorms
  • Precip. probability: 58%
  • Precipitation: 0.04"
  • Wind: 12mphN 0°
  • Humidity: 86%
  • Pressure: 30"Hg
  • Visibility: 7mi
  • UV index: 0
  • ▼
  • 2 am
  • 75°F
  • Feels like:
    81°F
Scattered Thunderstorms
Scattered Thunderstorms
  • Precip. probability: 59%
  • Precipitation: 0.04"
  • Wind: 12mphN 7°
  • Humidity: 87%
  • Pressure: 29.97"Hg
  • Visibility: 7mi
  • UV index: 0
  • ▼
  • 4 am
  • 77°F
  • Feels like:
    81°F
Thunderstorms
Thunderstorms
  • Precip. probability: 71%
  • Precipitation: 0.04"
  • Wind: 14mphNNE 14°
  • Humidity: 85%
  • Pressure: 29.97"Hg
  • Visibility: 6mi
  • UV index: 0
  • ▼
  • 6 am
  • 77°F
  • Feels like:
    81°F
Thunderstorms
Thunderstorms
  • Precip. probability: 62%
  • Precipitation: 0.04"
  • Wind: 14mphNNE 24°
  • Humidity: 83%
  • Pressure: 29.97"Hg
  • Visibility: 6mi
  • UV index: 0
  • ▼
Sunrise: 7:21 am
  • 8 am
  • 77°F
  • Feels like:
    81°F
Showers
Showers
  • Precip. probability: 37%
  • Precipitation: 0.04"
  • Wind: 14mphNNE 30°
  • Humidity: 80%
  • Pressure: 30"Hg
  • Visibility: 7mi
  • UV index: 0
  • ▼
  • 10 am
  • 81°F
  • Feels like:
    84°F
Cloudy
Cloudy
  • Precip. probability: 24%
  • Precipitation: 0"
  • Wind: 18mphNNE 33°
  • Humidity: 71%
  • Pressure: 30.03"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 12 pm
  • 81°F
  • Feels like:
    86°F
Showers
Showers
  • Precip. probability: 35%
  • Precipitation: 0.04"
  • Wind: 18mphNE 38°
  • Humidity: 67%
  • Pressure: 30.03"Hg
  • Visibility: 7mi
  • UV index: 3
  • ▼
  • 2 pm
  • 81°F
  • Feels like:
    86°F
Cloudy / Wind
Cloudy / Wind
  • Precip. probability: 19%
  • Precipitation: 0"
  • Wind: 20mphNE 39°
  • Humidity: 67%
  • Pressure: 30"Hg
  • Visibility: 10mi
  • UV index: 5
  • ▼
  • 4 pm
  • 81°F
  • Feels like:
    86°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 14%
  • Precipitation: 0"
  • Wind: 19mphNE 37°
  • Humidity: 65%
  • Pressure: 30"Hg
  • Visibility: 10mi
  • UV index: 3
  • ▼
  • 6 pm
  • 81°F
  • Feels like:
    84°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 17%
  • Precipitation: 0"
  • Wind: 18mphNE 35°
  • Humidity: 65%
  • Pressure: 30"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunset: 6:49 pm
  • 8 pm
  • 79°F
  • Feels like:
    82°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 11%
  • Precipitation: 0"
  • Wind: 17mphNE 35°
  • Humidity: 66%
  • Pressure: 30"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 pm
  • 79°F
  • Feels like:
    82°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 24%
  • Precipitation: 0"
  • Wind: 16mphNE 42°
  • Humidity: 67%
  • Pressure: 30.03"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Tomorrow, a combination of lightning-active, cloudy and rain-filled weather is anticipated.
With minimal precipitation of 0.04", rainfall is predicted from 12 am to 9 am, 11 am and at 12 pm.
The temperature will be between the lowest temperature of 75.2°F and the highest temperature of 82.4°F. The warmest part of the day is anticipated around 1 pm.
Tomorrow, the temperature is forecasted to be in line with the usual maximum for October. The lowest temperature tomorrow will be also resembling October's average minimum.
Updated: Oct 17, 2026 @ 17:58:22 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

On Sunday, passing rain showers and strong winds will create a breezy and damp morning.

There is a high chance of rainfall, but precipitation will be minimal.

Tomorrow, the highest temperature will be 82.4°F, while the lowest temperature will be 77°F. The maximum heat index, which calculates the temperature value influenced by the moisture in the air, is calculated to be 87.8°F.
The maximum temperature will be in line with the average highest temperature of 81.9°F in October. The lowest temperature tomorrow will be also in line with the average low temperature.

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

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