See exactly when rain will start and stop with a minute-by-minute precipitation nowcast for the next hour.
26°
Clear
Feels Like: 30°
Min: 25°
Max: 31°
The next few hours will be clear, with tomorrow reaching 30°C and dropping to 25°C. The coming days will be light rain
Compare today's weather with yesterday's data and track temperature trends over time.
Hourly Forecast
Daylight Hours
07:11
Sunrise
19:20
Sunset
Moon
Waxing Crescent
11:23
Moonrise
21:25
Moonset
Daily Forecast
Tuesday
Today
Thursday
Friday
Saturday
Sunday
Monday
Tuesday
Wednesday
Thursday
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Humidity
Weather in Port Saint Lucie tomorrow, September 16, 2026
Expect a mostly clear day in Port Saint Lucie on September 16, 2026, with sunshine dominating from morning through evening. Cloud should stay limited, so the overall feel remains bright and settled. The first half of the day looks overcast, as cloud amounts reach about 100% around 02:00. Brighter weather, if it comes, waits until later.
Temperatures climb from an overnight low near 24°C toward a daytime high of about 30°C. The air stays humid, with relative humidity between 76% and 95% and the peak around 02:00. Winds stay light, near 7.7 km/h by 15:00, so the day feels still more than breezy.
Expect persistent cloud later on, with amounts around 100% by 12:00. Sunshine remains the exception, not the rule. Visibility stays generally good near 12.3 km on average, though it can drop toward 1.1 km in thicker cloud or showers. Expect sunrise at 07:11, sunset at 19:19, and 12 hours 7 minutes of sunlight today overall.
The practical takeaway for Port Saint Lucie is a bright September 16, 2026, ideal for outdoor errands before temperatures ease from about 30°C.
Frequently asked questions about weather in Port Saint Lucie
How warm does it get in Port Saint Lucie?
The warmest month in Port Saint Lucie is August, with average high temperatures of 31°C. The average temperature during this period is around 28°C.
How cold does it get in Port Saint Lucie?
The coldest month in Port Saint Lucie is January, with average low temperatures of 17°C. The average temperature during this period is around 20°C.
What is the wettest time of year in Port Saint Lucie?
The wettest month in Port Saint Lucie is September, with an average of 178mm of precipitation.
What is the driest time of year in Port Saint Lucie?
The driest month in Port Saint Lucie is February, with an average of 44mm of precipitation.
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