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.

Partly Cloudy

N/A

Humidity NA
Wind Speed NE 12 mph
Barometer 29.99 in
Dewpoint N/A
Visibility 7.00 mi
Last update 1 Sep 4:47 pm EDT
Extended Forecast for

Port St. John FL

  • This Afternoon

    This Afternoon: A 40 percent chance of showers and thunderstorms. Partly sunny, with a steady temperature around 83. Northeast wind around 10 mph.

    High: 83 °F

    Chance
    T-storms

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms before 8pm. Mostly cloudy, with a low around 76. East northeast wind around 5 mph becoming calm.

    Low: 76 °F

    Chance
    T-storms then
    Partly Cloudy

  • Wednesday

    Wednesday: A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 91. Heat index values as high as 103. Light east wind increasing to 5 to 10 mph in the afternoon. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 91 °F

    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers and thunderstorms, mainly after 5am. Mostly cloudy, with a low around 77. East southeast wind around 5 mph becoming calm in the evening.

    Low: 77 °F

    Mostly Cloudy
    then Chance
    T-storms

  • Thursday

    Thursday: A chance of showers and thunderstorms before 8am, then a chance of showers between 8am and 11am, then a chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 91. Light east southeast wind increasing to 5 to 10 mph in the morning. Chance of precipitation is 50%.

    High: 91 °F

    Chance
    T-storms

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 77. East southeast wind around 5 mph becoming calm after midnight.

    Low: 77 °F

    Partly Cloudy

  • Friday

    Friday: A chance of showers, then showers and thunderstorms likely after 11am. Mostly sunny, with a high near 92. Light southeast wind becoming east southeast 5 to 10 mph in the afternoon. Chance of precipitation is 70%.

    High: 92 °F

    Chance
    T-storms then
    T-storms
    Likely

  • Friday Night

    Friday Night: Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, with a low around 76. Southeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%.

    Low: 76 °F

    T-storms
    Likely then
    Slight Chance
    T-storms

  • Saturday

    Saturday: Showers and thunderstorms likely, mainly after 2pm. Mostly sunny, with a high near 93. Calm wind becoming east southeast around 5 mph in the afternoon. Chance of precipitation is 70%.

    High: 93 °F

    Slight Chance
    T-storms then
    T-storms
    Likely

Detailed Forecast

This Afternoon
A 40 percent chance of showers and thunderstorms. Partly sunny, with a steady temperature around 83. Northeast wind around 10 mph.
Tonight
A 30 percent chance of showers and thunderstorms before 8pm. Mostly cloudy, with a low around 76. East northeast wind around 5 mph becoming calm.
Wednesday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 91. Heat index values as high as 103. Light east wind increasing to 5 to 10 mph in the afternoon. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
A 30 percent chance of showers and thunderstorms, mainly after 5am. Mostly cloudy, with a low around 77. East southeast wind around 5 mph becoming calm in the evening.
Thursday
A chance of showers and thunderstorms before 8am, then a chance of showers between 8am and 11am, then a chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 91. Light east southeast wind increasing to 5 to 10 mph in the morning. Chance of precipitation is 50%.
Thursday Night
Partly cloudy, with a low around 77. East southeast wind around 5 mph becoming calm after midnight.
Friday
A chance of showers, then showers and thunderstorms likely after 11am. Mostly sunny, with a high near 92. Light southeast wind becoming east southeast 5 to 10 mph in the afternoon. Chance of precipitation is 70%.
Friday Night
Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, with a low around 76. Southeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%.
Saturday
Showers and thunderstorms likely, mainly after 2pm. Mostly sunny, with a high near 93. Calm wind becoming east southeast around 5 mph in the afternoon. Chance of precipitation is 70%.
Saturday Night
Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, with a low around 75. South southeast wind around 5 mph becoming calm. Chance of precipitation is 60%.
Sunday
Showers and thunderstorms likely. Mostly sunny, with a high near 93. Calm wind becoming south southeast around 5 mph in the afternoon. Chance of precipitation is 60%.
Sunday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 75. South southeast wind around 5 mph becoming calm. Chance of precipitation is 60%.
Labor Day
Showers and thunderstorms likely. Mostly sunny, with a high near 92. Calm wind becoming northeast around 5 mph in the afternoon. Chance of precipitation is 70%.
Monday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 75. Calm wind. Chance of precipitation is 60%.
Tuesday
Showers and thunderstorms likely. Mostly sunny, with a high near 92.
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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 pm EDT Sep 1, 2026
Forecast Valid:
5pm EDT Sep 1, 2026-6pm EDT Sep 8, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation