National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Titusville (KTIX)

Lat: 28.52°NLon: 80.8°WElev: 36ft.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

Port St. John FL

  • Today

    Today: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 5pm. High near 91. Heat index values as high as 102. Southwest wind around 5 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 91 °F

    Mostly Sunny
    then T-storms

  • Tonight

    Tonight: Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 9pm. Mostly cloudy, with a low around 75. South southeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 75 °F

    Showers
    Likely then
    Partly Cloudy

  • Wednesday

    Wednesday: A slight chance of showers and thunderstorms before 3pm, then a chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 90. Calm wind becoming east southeast around 5 mph in the afternoon. Chance of precipitation is 30%.

    High: 90 °F

    Partly Sunny
    then Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 77. East southeast wind around 5 mph becoming calm in the evening.

    Low: 77 °F

    Chance
    T-storms then
    Partly Cloudy

  • Thursday

    Thursday: A chance of showers, with thunderstorms also possible after 11am. Mostly sunny, with a high near 90. East wind 5 to 10 mph. Chance of precipitation is 40%.

    High: 90 °F

    Chance
    T-storms

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 78. East wind around 5 mph.

    Low: 78 °F

    Partly Cloudy

  • Friday

    Friday: Showers likely and possibly a thunderstorm before 2pm, then a chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 90. East wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.

    High: 90 °F

    Showers
    Likely

  • Friday Night

    Friday Night: A 30 percent chance of showers before 8pm. Partly cloudy, with a low around 77. East southeast wind 5 to 10 mph.

    Low: 77 °F

    Chance
    Showers then
    Partly Cloudy

  • Saturday

    Saturday: Showers and thunderstorms likely, mainly after 2pm. Mostly sunny, with a high near 91. East southeast wind 5 to 10 mph. Chance of precipitation is 60%.

    High: 91 °F

    Chance
    T-storms then
    T-storms
    Likely

Detailed Forecast

Today
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 5pm. High near 91. Heat index values as high as 102. Southwest wind around 5 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Tonight
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 9pm. Mostly cloudy, with a low around 75. South southeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
A slight chance of showers and thunderstorms before 3pm, then a chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 90. Calm wind becoming east southeast around 5 mph in the afternoon. Chance of precipitation is 30%.
Wednesday Night
A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 77. East southeast wind around 5 mph becoming calm in the evening.
Thursday
A chance of showers, with thunderstorms also possible after 11am. Mostly sunny, with a high near 90. East wind 5 to 10 mph. Chance of precipitation is 40%.
Thursday Night
Partly cloudy, with a low around 78. East wind around 5 mph.
Friday
Showers likely and possibly a thunderstorm before 2pm, then a chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 90. East wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.
Friday Night
A 30 percent chance of showers before 8pm. Partly cloudy, with a low around 77. East southeast wind 5 to 10 mph.
Saturday
Showers and thunderstorms likely, mainly after 2pm. Mostly sunny, with a high near 91. East southeast wind 5 to 10 mph. Chance of precipitation is 60%.
Saturday Night
Showers and thunderstorms likely before 8pm. Partly cloudy, with a low around 77. Southeast wind around 5 mph. Chance of precipitation is 60%.
Sunday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 92. East southeast wind 5 to 10 mph.
Sunday Night
A 30 percent chance of showers and thunderstorms. Mostly clear, with a low around 77. East southeast wind around 5 mph becoming calm in the evening.
Monday
A 30 percent chance of showers and thunderstorms. Sunny, with a high near 92. Light southeast wind becoming east southeast 5 to 10 mph in the afternoon.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Port St. John FL
 28.48°N 80.79°W (Elev. 23 ft)
Last Update:
2:39 am EDT Aug 4, 2026
Forecast Valid:
5am EDT Aug 4, 2026-6pm EDT Aug 10, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation