Weather forecast for tomorrow
Port Saint Lucie, FL

Weather forecast for tomorrow

Sunday, Jun 15.

Partly Cloudy
6:25 am

8:18 pm
EDT
Partly Cloudy
90°F / 75°F
  • Wind: 13mph SE
  • Humidity: 67%
  • Precip. probability: 18%
  • Precipitation: 0"
  • UV index: 11
On Sunday, in Port Saint Lucie, clouds will come and go, but expect bright periods in between.
Temperature is predicted to swing from a high of a blazing 89.6°F to a low of a warm 75.2°F.
The maximum heat index, which integrates air moisture with ambient temperature, is computed to be a torrid 102.2°F. Note that heat index values are valued for light wind and location in the shade. With exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
The expected temperature peak will correspond with June's average maximum of 86.2°F.
Sunrise will be at 6:25 am and sunset at 8:18 pm; tomorrow's daylight will last for 13h and 54min.

Frequently asked questions

What is the weather forecast for Port Saint Lucie for tomorrow?
On Sunday, expect a partly sunny afternoon with variable cloud cover.
What will be the maximum temperature tomorrow?
Tomorrow, the maximum temperature will be 89.6°F, while the minimum temperature will be 75.2°F. The maximum heat index, which adjusts the air temperature based on humidity, is estimated at 102.2°F.
The maximum temperature tomorrow will be in line with the average highest temperature in June. The lowest temperature will be also in line with the average low of 76.3°F.
When is the sunrise / sunset tomorrow?
On Sunday, in Port Saint Lucie, sunrise will be at 6:25 am and sunset at 8:18 pm (EDT).
How long will the day be tomorrow?
Tomorrow, the daylight will last for 13h and 54min.

Hourly weather forecast

12 am
  • 79°F
  • Feels like:
    84°F
Mostly Clear
Mostly Clear
  • Wind: 5mph SE
  • Pressure: 30.15"Hg
  • Humidity: 85%
  • Precip. probability: 6%
  • Precipitation: 0"
  • Visibility: 10mi
2 am
  • 77°F
  • Feels like:
    82°F
Partly Cloudy
Partly Cloudy
  • Wind: 4mph SSE
  • Pressure: 30.12"Hg
  • Humidity: 88%
  • Precip. probability: 6%
  • Precipitation: 0"
  • Visibility: 10mi
4 am
  • 77°F
  • Feels like:
    81°F
Partly Cloudy
Partly Cloudy
  • Wind: 2mph SSE
  • Pressure: 30.09"Hg
  • Humidity: 91%
  • Precip. probability: 7%
  • Precipitation: 0"
  • Visibility: 10mi
6 am
  • 75°F
  • Feels like:
    81°F
Mostly Cloudy
Mostly Cloudy
  • Wind: 1mph SE
  • Pressure: 30.12"Hg
  • Humidity: 91%
  • Precip. probability: 7%
  • Precipitation: 0"
  • Visibility: 10mi
Sunrise: 6:25 am
8 am
  • 79°F
  • Feels like:
    86°F
Partly Cloudy
Partly Cloudy
  • Wind: 3mph SSE
  • Pressure: 30.12"Hg
  • Humidity: 86%
  • Precip. probability: 7%
  • Precipitation: 0"
  • Visibility: 10mi
10 am
  • 86°F
  • Feels like:
    93°F
Partly Cloudy
Partly Cloudy
  • Wind: 8mph SSE
  • Pressure: 30.12"Hg
  • Humidity: 69%
  • Precip. probability: 5%
  • Precipitation: 0"
  • Visibility: 10mi
12 pm
  • 88°F
  • Feels like:
    97°F
Partly Cloudy
Partly Cloudy
  • Wind: 9mph SE
  • Pressure: 30.12"Hg
  • Humidity: 60%
  • Precip. probability: 16%
  • Precipitation: 0"
  • Visibility: 10mi
2 pm
  • 90°F
  • Feels like:
    97°F
Mostly Cloudy
Mostly Cloudy
  • Wind: 12mph ESE
  • Pressure: 30.12"Hg
  • Humidity: 59%
  • Precip. probability: 7%
  • Precipitation: 0"
  • Visibility: 10mi
4 pm
  • 88°F
  • Feels like:
    97°F
Partly Cloudy
Partly Cloudy
  • Wind: 13mph ESE
  • Pressure: 30.09"Hg
  • Humidity: 60%
  • Precip. probability: 1%
  • Precipitation: 0"
  • Visibility: 10mi
6 pm
  • 86°F
  • Feels like:
    93°F
Partly Cloudy
Partly Cloudy
  • Wind: 12mph SE
  • Pressure: 30.06"Hg
  • Humidity: 63%
  • Precip. probability: 2%
  • Precipitation: 0"
  • Visibility: 10mi
8 pm
  • 84°F
  • Feels like:
    90°F
Sunny
Sunny
  • Wind: 10mph SE
  • Pressure: 30.06"Hg
  • Humidity: 71%
  • Precip. probability: 3%
  • Precipitation: 0"
  • Visibility: 10mi
Sunset: 8:18 pm
10 pm
  • 81°F
  • Feels like:
    88°F
Mostly Clear
Mostly Clear
  • Wind: 7mph SE
  • Pressure: 30.09"Hg
  • Humidity: 79%
  • Precip. probability: 4%
  • Precipitation: 0"
  • Visibility: 10mi
Tomorrow, primarily cloudy and occasionally mostly clear weather is expected.
The temperature will be between a minimum of 75.2°F and a maximum of 89.6°F. The feels-like temperature will be between the lowest temperature of 80.6°F and the highest temperature of 98.6°F. The hottest part of the day will be from 1 pm to 3 pm.
The forecasted high will be comparable to the typical June maximum of 86.2°F. The lowest temperature is also consistent with June's typical minimum of 76.3°F.
Updated: Jun 14, 2025 @ 20:19:00 UTC
Published by: Weather U.S. | About Us
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