Weather forecast for tomorrowPort Saint Lucie, FL
Weather forecast for tomorrow
Monday Oct 19, 2026
- 82°F
- 68°F
AM Showers
- Precip. probability: 36%
- Precipitation: 0.12"
- Wind: 18mphNE 43°
- Humidity: 70%
- UV index: 8
- Sunrise: 7:23 am EDT
- Sunset: 6:49 pm EDT
- details ▼
Tomorrow, rain showers will likely move through during the early hours.
Minimal precipitation is anticipated. The forecasted temperature range extends from a high of a warm 82.4°F to a low of a delightful 68°F.
The maximum heat index, which combines relative humidity and air temperature, is evaluated at a blazing 87.8°F. Take into consideration that the heat index values are calculated for shade and light wind conditions.
The predicted high temperature will align with October's average of 82.2°F.
Sunrise will be at 7:23 am and sunset at 6:49 pm; tomorrow's daylight will last for 11h and 25min.
Minimal precipitation is anticipated. The forecasted temperature range extends from a high of a warm 82.4°F to a low of a delightful 68°F.
The maximum heat index, which combines relative humidity and air temperature, is evaluated at a blazing 87.8°F. Take into consideration that the heat index values are calculated for shade and light wind conditions.
The predicted high temperature will align with October's average of 82.2°F.
Sunrise will be at 7:23 am and sunset at 6:49 pm; tomorrow's daylight will last for 11h and 25min.
Hourly overview
Hourly temperatures
Warmest hour: 12 pm 86°C.
Minimum temperature: 75°C.
Minimum temperature: 75°C.
Chance of precipitation
Highest chance: 12 pm 36%.
Hourly weather forecast
- 12 am
- 75°F
- Feels like:79°F
Partly Cloudy
- Precip. probability: 10%
- Precipitation: 0"
- Wind: 11mphNE 48°
- Humidity: 75%
- Pressure: 30.06"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 2 am
- 75°F
- Feels like:77°F
Partly Cloudy
- Precip. probability: 12%
- Precipitation: 0"
- Wind: 11mphNE 49°
- Humidity: 78%
- Pressure: 30.03"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 4 am
- 75°F
- Feels like:77°F
Partly Cloudy
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 9mphNE 47°
- Humidity: 79%
- Pressure: 30.03"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 6 am
- 75°F
- Feels like:75°F
Partly Cloudy
- Precip. probability: 14%
- Precipitation: 0"
- Wind: 9mphNE 46°
- Humidity: 76%
- Pressure: 30.03"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunrise: 7:23 am
- 8 am
- 73°F
- Feels like:75°F
Partly Cloudy
- Precip. probability: 14%
- Precipitation: 0"
- Wind: 9mphNE 43°
- Humidity: 80%
- Pressure: 30.03"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 am
- 79°F
- Feels like:84°F
Partly Cloudy
- Precip. probability: 7%
- Precipitation: 0"
- Wind: 14mphNE 46°
- Humidity: 71%
- Pressure: 30.06"Hg
- Visibility: 10mi
- UV index: 3
- details ▼
- 12 pm
- 82°F
- Feels like:86°F
Showers
- Precip. probability: 36%
- Precipitation: 0.04"
- Wind: 17mphNE 47°
- Humidity: 66%
- Pressure: 30.06"Hg
- Visibility: 7mi
- UV index: 7
- details ▼
- 2 pm
- 81°F
- Feels like:86°F
Partly Cloudy
- Precip. probability: 16%
- Precipitation: 0"
- Wind: 18mphNE 45°
- Humidity: 65%
- Pressure: 30.03"Hg
- Visibility: 10mi
- UV index: 7
- details ▼
- 4 pm
- 81°F
- Feels like:84°F
Partly Cloudy
- Precip. probability: 15%
- Precipitation: 0"
- Wind: 16mphNE 40°
- Humidity: 67%
- Pressure: 30"Hg
- Visibility: 10mi
- UV index: 3
- details ▼
- 6 pm
- 77°F
- Feels like:81°F
Partly Cloudy
- Precip. probability: 15%
- Precipitation: 0"
- Wind: 14mphNNE 33°
- Humidity: 71%
- Pressure: 30"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunset: 6:49 pm
- 8 pm
- 75°F
- Feels like:77°F
Partly Cloudy
- Precip. probability: 8%
- Precipitation: 0"
- Wind: 11mphNNE 22°
- Humidity: 76%
- Pressure: 30.03"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 pm
- 73°F
- Feels like:75°F
Mostly Cloudy
- Precip. probability: 24%
- Precipitation: 0"
- Wind: 10mphNNE 17°
- Humidity: 78%
- Pressure: 30.03"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Tomorrow, on Monday, primarily overcast and occasionally rain-soaked weather is forecasted.
With minimal precipitation of 0.04", rain is anticipated from 11 am to 1 pm.
The temperature will vary between a minimum of 73.4°F and a maximum of 82.4°F. The warmest part of the day will be from 11 am to 1 pm.
The maximum temperature will be similar to October's average highest temperature of 82.2°F. The expected low will be more resembling what’s common in November than the current October average of 73.6°F.
With minimal precipitation of 0.04", rain is anticipated from 11 am to 1 pm.
The temperature will vary between a minimum of 73.4°F and a maximum of 82.4°F. The warmest part of the day will be from 11 am to 1 pm.
The maximum temperature will be similar to October's average highest temperature of 82.2°F. The expected low will be more resembling what’s common in November than the current October average of 73.6°F.
Updated: Oct 18, 2026 @ 13:35:12 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Frequently asked questions
Tomorrow, expect morning sprinkles and light rain showers throughout the early hours.
Tomorrow, there is a low probability of minimal rainfall in Port Saint Lucie.
Tomorrow, the highest temperature will be 82.4°F, while the lowest temperature will be 68°F. The maximum heat index, which measures the combined effect of heat and moisture, is calculated to be 87.8°F.
The maximum temperature will be in line with the average highest temperature of 82.2°F in October. The lowest temperature will be slightly cooler than the average low of 73.6°F.
The maximum temperature will be in line with the average highest temperature of 82.2°F in October. The lowest temperature will be slightly cooler than the average low of 73.6°F.
On Monday, in Port Saint Lucie, sunrise will be at 7:23 am and sunset at 6:49 pm (EDT).
In Port Saint Lucie, tomorrow, there will be 11h and 25min of daylight.
