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.

Smoke

N/A

Humidity NA
Wind Speed Vrbl 3 mph
Barometer 30.07 in
Dewpoint N/A
Visibility 6.00 mi
Last update 22 Aug 10:47 am EDT
Extended Forecast for

Port St. John FL

  • Today

    Today: A 30 percent chance of showers and thunderstorms, mainly after 3pm. Mostly sunny and hot, with a high near 95. Heat index values as high as 107. West southwest wind around 5 mph becoming south in the afternoon.

    High: 95 °F

    Chance
    T-storms

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly before 9pm. Partly cloudy, with a low around 76. South southeast wind around 5 mph becoming southwest after midnight.

    Low: 76 °F

    Chance
    T-storms then
    Partly Cloudy

  • Sunday

    Sunday: A 30 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 94. Heat index values as high as 103. Southwest wind 5 to 10 mph.

    High: 94 °F

    Sunny then
    Chance
    T-storms

  • Sunday Night

    Sunday Night: A 30 percent chance of showers and thunderstorms before 8pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 76. South wind around 5 mph.

    Low: 76 °F

    Chance
    T-storms then
    Mostly Clear

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 94. Light and variable wind becoming south southeast 5 to 10 mph in the afternoon.

    High: 94 °F

    Sunny then
    Slight Chance
    T-storms

  • Monday Night

    Monday Night: A 10 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 77. South wind around 5 mph.

    Low: 77 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 94. Calm wind becoming southeast around 5 mph in the afternoon.

    High: 94 °F

    Sunny then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 77. South wind around 5 mph.

    Low: 77 °F

    Chance
    T-storms then
    Partly Cloudy

  • Wednesday

    Wednesday: A 40 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 93. Light and variable wind becoming southeast 5 to 10 mph in the afternoon.

    High: 93 °F

    Sunny then
    Chance
    T-storms

Detailed Forecast

Today
A 30 percent chance of showers and thunderstorms, mainly after 3pm. Mostly sunny and hot, with a high near 95. Heat index values as high as 107. West southwest wind around 5 mph becoming south in the afternoon.
Tonight
A 30 percent chance of showers and thunderstorms, mainly before 9pm. Partly cloudy, with a low around 76. South southeast wind around 5 mph becoming southwest after midnight.
Sunday
A 30 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 94. Heat index values as high as 103. Southwest wind 5 to 10 mph.
Sunday Night
A 30 percent chance of showers and thunderstorms before 8pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 76. South wind around 5 mph.
Monday
A 20 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 94. Light and variable wind becoming south southeast 5 to 10 mph in the afternoon.
Monday Night
A 10 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 77. South wind around 5 mph.
Tuesday
A 30 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 94. Calm wind becoming southeast around 5 mph in the afternoon.
Tuesday Night
A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 77. South wind around 5 mph.
Wednesday
A 40 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 93. Light and variable wind becoming southeast 5 to 10 mph in the afternoon.
Wednesday Night
A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 76. Southeast wind around 5 mph.
Thursday
A 50 percent chance of showers and thunderstorms. Sunny, with a high near 93. Light south southwest wind becoming south southeast 5 to 10 mph in the afternoon.
Thursday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 77. South southeast wind around 5 mph becoming calm after midnight.
Friday
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 93. Light and variable wind becoming 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:
8:55 am EDT Aug 22, 2026
Forecast Valid:
11am EDT Aug 22, 2026-6pm EDT Aug 28, 2026
 
Forecast Discussion
 
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Additional Resources

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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