Weather forecast for today
Port Saint John, FL

Weather forecast for today

Saturday, May 3.

Partly Cloudy
6:39 am

8:00 pm
EDT
Partly Cloudy
86°F / 68°F
  • Wind: 14mph SSE
  • Humidity: 62%
  • Precip. probability: 24%
  • Precipitation: 0"
  • UV index: 9
Today, in Port Saint John, moderate cloud cover will mix with sunshine throughout the day.
The highest predicted temperature is a tropical 86°F, while the lowest temperature will be a pleasant 68°F.
The maximum heat index, which measures the combined effect of heat and moisture, is estimated at a hot 91.4°F. Take into consideration that the heat index values are calculated for shade and light wind conditions.
Today's top temperature is set to align with the common May high of 83.1°F.
Sunrise will be at 6:39 am and sunset at 8:00 pm; the daylight will last for 13h and 22min.

Current condition

Clear
12:14 am EDT
Clear
  • 73°F
  • Feels like: 73°F
  • Wind: 8mph SE
  • Humidity: 76%
  • Dewpoint: 66°F
  • Pressure: 30.02"Hg
  • Precipitation: 0"
  • Visibility: 10mi
  • UV index: 0
At the moment, in Port Saint John, pristine clear weather creates an ideal outdoor setting.
The temperature is a warm 73.4°F. The current temperature is relatively far from today's maximum-anticipated 86°F.

Weather radar - Port Saint John, FL

Doppler radar displays precipitation for the past 2h and forecasts the next 30min

Frequently asked questions

What is the temperature now?
The temperature at 12:14 am EDT is 73.4°F.
What is the weather forecast for Port Saint John for today?
On Saturday, expect a partly sunny afternoon with variable cloud cover.
What will be the maximum temperature today?
Today, the highest temperature will be 86°F, while the lowest temperature will be 68°F. The maximum heat index, which combines relative humidity and air temperature, is evaluated at 91.4°F.
The highest temperature today will be in line with the average maximum temperature in May. Today, the lowest temperature will be also in line with the average low temperature.
When is the sunrise / sunset today?
On Saturday, in Port Saint John, sunrise will be at 6:39 am and sunset at 8:00 pm (EDT).
How long is the day today?
In Port Saint John, the length of the day today will be 13h and 22min.

Hourly weather forecast

2 am
  • 73°F
  • Feels like:
    73°F
Partly Cloudy
Partly Cloudy
  • Wind: 7mph SSE
  • Pressure: 30"Hg
  • Humidity: 80%
  • Precip. probability: 4%
  • Precipitation: 0"
  • Visibility: 10mi
4 am
  • 72°F
  • Feels like:
    72°F
Mostly Cloudy
Mostly Cloudy
  • Wind: 5mph S
  • Pressure: 29.97"Hg
  • Humidity: 84%
  • Precip. probability: 4%
  • Precipitation: 0"
  • Visibility: 9mi
6 am
  • 70°F
  • Feels like:
    70°F
Partly Cloudy
Partly Cloudy
  • Wind: 4mph S
  • Pressure: 29.97"Hg
  • Humidity: 87%
  • Precip. probability: 4%
  • Precipitation: 0"
  • Visibility: 7mi
Sunrise: 6:39 am
8 am
  • 72°F
  • Feels like:
    73°F
Partly Cloudy
Partly Cloudy
  • Wind: 4mph S
  • Pressure: 29.97"Hg
  • Humidity: 84%
  • Precip. probability: 10%
  • Precipitation: 0"
  • Visibility: 10mi
10 am
  • 79°F
  • Feels like:
    82°F
Partly Cloudy
Partly Cloudy
  • Wind: 10mph S
  • Pressure: 29.97"Hg
  • Humidity: 64%
  • Precip. probability: 3%
  • Precipitation: 0"
  • Visibility: 10mi
12 pm
  • 84°F
  • Feels like:
    86°F
Partly Cloudy
Partly Cloudy
  • Wind: 9mph S
  • Pressure: 29.97"Hg
  • Humidity: 51%
  • Precip. probability: 7%
  • Precipitation: 0"
  • Visibility: 10mi
2 pm
  • 84°F
  • Feels like:
    86°F
Mostly Cloudy
Mostly Cloudy
  • Wind: 11mph SE
  • Pressure: 29.94"Hg
  • Humidity: 53%
  • Precip. probability: 15%
  • Precipitation: 0"
  • Visibility: 10mi
4 pm
  • 84°F
  • Feels like:
    86°F
Mostly Cloudy
Mostly Cloudy
  • Wind: 12mph SE
  • Pressure: 29.91"Hg
  • Humidity: 56%
  • Precip. probability: 21%
  • Precipitation: 0"
  • Visibility: 10mi
6 pm
  • 81°F
  • Feels like:
    84°F
Partly Cloudy
Partly Cloudy
  • Wind: 14mph SE
  • Pressure: 29.88"Hg
  • Humidity: 61%
  • Precip. probability: 15%
  • Precipitation: 0"
  • Visibility: 10mi
8 pm
  • 77°F
  • Feels like:
    81°F
Partly Cloudy
Partly Cloudy
  • Wind: 11mph SE
  • Pressure: 29.88"Hg
  • Humidity: 70%
  • Precip. probability: 5%
  • Precipitation: 0"
  • Visibility: 10mi
Sunset: 8:00 pm
10 pm
  • 75°F
  • Feels like:
    75°F
Cloudy
Cloudy
  • Wind: 8mph SSE
  • Pressure: 29.91"Hg
  • Humidity: 76%
  • Precip. probability: 22%
  • Precipitation: 0"
  • Visibility: 10mi
Today, primarily cloudy and occasionally wet weather is anticipated.
With a 37% probability, minimal rainfall is forecasted at 3 pm.
The temperature will vary between a minimum of 68°F and a maximum of 84.2°F. The hottest part of the day will be from noon to 4 pm.
The forecasted high will be in line with the typical May maximum of 83.1°F. Today, the minimum temperature will be also comparable to the average low for May.
Updated: May 3, 2025 @ 04:14:27 UTC
Published by: Weather U.S. | About Us
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Weather Forecasting & Climate

Port Saint John, Florida, USA

  • en: Port Saint John, Florida, USA
  • es: Port St. John, Florida, EE.UU.
  • hr: Port Sent Džon, Florida, SAD
  • sr: Port Sent Džon, Florida, SAD
  • zh: Port Saint John, 佛罗里达, 美国
  • Latitude: 28.476946°
  • Longitude: -80.788666°
  • Elevation: 30 ft
  • Current time: 1:17am EDT
  • Sunrise: 6:39 am EDT
  • Sunset: 8:00 pm EDT
  • Timezone: America/New_York
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