Weather forecast for todayPort Saint Lucie, FL

Weather forecast for today

Current condition 2:16 pm EDT

  • 84°F
  • Feels like:
    95°F
Mostly Cloudy
Mostly Cloudy
  • Precipitation: 0"
  • Wind: 10mphNNW 340°
  • Humidity: 74%
  • Dewpoint: 75°F
  • Pressure: 29.94"Hg
  • Visibility: 10mi
  • UV index: 6
  • ▼
At the moment, thick clouds are covering most of the sky, keeping conditions mostly cloudy.
The temperature is a moderately hot 84.2°F, the real-feel temperature, which factors the actual air temperature with the relative humidity, registers as calculated to be a sizzling 95°F. The current temperature is almost at the maximum expected 86°F for today.

Saturday Oct 17, 2026

  • 86°F
  • 72°F
Thundershowers
Thundershowers
  • Precip. probability: 73%
  • Precipitation: 0.2"
  • Wind: 14mphN 0°
  • Humidity: 83%
  • UV index: 6
  • Sunrise: 7:22 am EDT
  • Sunset: 6:50 pm EDT
  • ▼
Today, in Port Saint Lucie, unstable skies could lead to thundershowers.
The likelihood of precipitation is high. However, the rain will be light. Temperatures are expected to peak at a hot 86°F and drop to a minimum of a delightful 71.6°F.
The maximum heat index, which modifies the air temperature to account for humidity, is calculated to be a steamy 102.2°F. Note that heat index values are valued for light wind and location in the shade. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
The day’s highest temperature is anticipated to be a couple of degrees higher than the standard October average of 82.2°F.
Sunrise was at 7:22 am and sunset will be at 6:50 pm; the daylight will last for 11h and 28min.

Hourly overview

Hourly temperatures

Warmest hour: 3 pm 91°C.
Coldest period: 8 pm - 9 pm 73°C.

Chance of precipitation

Highest chance: 6 pm 86%.

Hourly weather forecast

  • 3 pm
  • 84°F
  • Feels like:
    91°F
Cloudy
Cloudy
  • Precip. probability: 18%
  • Precipitation: 0"
  • Wind: 11mphN 2°
  • Humidity: 76%
  • Pressure: 29.91"Hg
  • Visibility: 10mi
  • UV index: 4
  • ▼
  • 4 pm
  • 81°F
  • Feels like:
    88°F
Thunderstorms
Thunderstorms
  • Precip. probability: 78%
  • Precipitation: 0.04"
  • Wind: 12mphN 5°
  • Humidity: 83%
  • Pressure: 29.91"Hg
  • Visibility: 7mi
  • UV index: 2
  • ▼
  • 5 pm
  • 79°F
  • Feels like:
    84°F
Thunderstorms
Thunderstorms
  • Precip. probability: 83%
  • Precipitation: 0.04"
  • Wind: 13mphN 5°
  • Humidity: 84%
  • Pressure: 29.94"Hg
  • Visibility: 3mi
  • UV index: 1
  • ▼
  • 6 pm
  • 75°F
  • Feels like:
    75°F
Rain
Rain
  • Precip. probability: 86%
  • Precipitation: 0.2"
  • Wind: 14mphN 1°
  • Humidity: 91%
  • Pressure: 29.94"Hg
  • Visibility: 5mi
  • UV index: 0
  • ▼
Sunset: 6:50 pm
  • 7 pm
  • 75°F
  • Feels like:
    75°F
Rain
Rain
  • Precip. probability: 83%
  • Precipitation: 0.04"
  • Wind: 14mphN 2°
  • Humidity: 92%
  • Pressure: 29.97"Hg
  • Visibility: 5mi
  • UV index: 0
  • ▼
  • 8 pm
  • 73°F
  • Feels like:
    73°F
Few Showers
Few Showers
  • Precip. probability: 32%
  • Precipitation: 0"
  • Wind: 12mphN 359°
  • Humidity: 94%
  • Pressure: 29.97"Hg
  • Visibility: 6mi
  • UV index: 0
  • ▼
  • 9 pm
  • 73°F
  • Feels like:
    73°F
Few Showers
Few Showers
  • Precip. probability: 30%
  • Precipitation: 0.04"
  • Wind: 12mphN 358°
  • Humidity: 94%
  • Pressure: 30"Hg
  • Visibility: 6mi
  • UV index: 0
  • ▼
  • 10 pm
  • 73°F
  • Feels like:
    77°F
Showers
Showers
  • Precip. probability: 42%
  • Precipitation: 0.04"
  • Wind: 12mphN 357°
  • Humidity: 95%
  • Pressure: 30.03"Hg
  • Visibility: 7mi
  • UV index: 0
  • ▼
  • 11 pm
  • 73°F
  • Feels like:
    75°F
Few Showers
Few Showers
  • Precip. probability: 32%
  • Precipitation: 0.04"
  • Wind: 13mphN 359°
  • Humidity: 94%
  • Pressure: 30.03"Hg
  • Visibility: 8mi
  • UV index: 0
  • ▼
  • 12 am
  • 73°F
  • Feels like:
    77°F
Showers
Showers
  • Precip. probability: 40%
  • Precipitation: 0.04"
  • Wind: 14mphN 6°
  • Humidity: 92%
  • Pressure: 30.03"Hg
  • Visibility: 7mi
  • UV index: 0
  • ▼
  • 1 am
  • 73°F
  • Feels like:
    75°F
Cloudy
Cloudy
  • Precip. probability: 24%
  • Precipitation: 0"
  • Wind: 15mphN 10°
  • Humidity: 89%
  • Pressure: 30"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
For the rest of the day, a combination of primarily wet and occasionally unstable and dull weather is anticipated.
Rain is predicted from 4 pm to 7 pm, and from 9 pm to 11 pm. With moderate precipitation of 0.2", most rainfall is expected at 6 pm.
The temperature will vary between the highest temperature of 84.2°F and the lowest temperature of 73.4°F. The feels-like temperature will be between a minimum of 73.4°F and a maximum of 91.4°F. The hottest part of the day will be around 3 pm.
The highest temperature today will be slightly warmer than October's typical maximum temperature. Today, the minimum temperature will be also alike with the average low for October.
Updated: Oct 17, 2026 @ 18:16:33 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

At 2:16 pm EDT, the temperature is 84.2°F. Feels-like temperature is 95°F.

Today, in Port Saint Lucie, thunderclouds may produce brief showers.

Light precipitation of 0.2" is expected. The likelihood of rainfall is 73%.

Today, the maximum temperature will be 86°F, while the minimum temperature will be 71.6°F. The maximum heat index, which calculates the temperature value influenced by the moisture in the air, is calculated to be 102.2°F.
Today, the highest temperature will be a few degrees higher than the average maximum temperature in October. The lowest temperature today will be in line with the average low temperature.

On Saturday, in Port Saint Lucie, sunrise was at 7:22 am and sunset will be at 6:50 pm (EDT).

Today, the daylight will last for 11h and 28min.