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 Vrbl 5 mph
Barometer 30.19 in
Dewpoint N/A
Visibility 7.00 mi
Last update 12 Jul 9:47 am EDT
Extended Forecast for

Port St. John FL

  • Today

    Today: Showers and thunderstorms likely, mainly after 3pm. Mostly sunny and hot, with a high near 95. Heat index values as high as 105. West southwest wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 95 °F

    Sunny then
    T-storms
    Likely

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly before 8pm. Mostly cloudy, then gradually becoming clear, with a low around 77. South southwest wind around 5 mph becoming calm.

    Low: 77 °F

    Chance
    T-storms then
    Mostly Clear

  • Monday

    Monday: A 10 percent chance of showers and thunderstorms after 5pm. Sunny and hot, with a high near 97. Heat index values as high as 106. Light west southwest wind increasing to 5 to 10 mph in the afternoon.

    High: 97 °F

    Sunny then
    Slight Chance
    T-storms

  • Monday Night

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

    Low: 77 °F

    Chance
    T-storms then
    Mostly Clear

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms after 2pm. Sunny and hot, with a high near 96. Calm wind becoming south southwest around 5 mph in the afternoon.

    High: 96 °F

    Sunny then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 77. South southeast wind around 5 mph becoming calm in the evening.

    Low: 77 °F

    Chance
    T-storms then
    Mostly Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 96. Calm wind becoming south southeast around 5 mph in the afternoon.

    High: 96 °F

    Hot

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 77. South southeast wind around 5 mph becoming west southwest after midnight.

    Low: 77 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 97. West wind around 5 mph.

    High: 97 °F

    Hot

Detailed Forecast

Today
Showers and thunderstorms likely, mainly after 3pm. Mostly sunny and hot, with a high near 95. Heat index values as high as 105. West southwest wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
A 30 percent chance of showers and thunderstorms, mainly before 8pm. Mostly cloudy, then gradually becoming clear, with a low around 77. South southwest wind around 5 mph becoming calm.
Monday
A 10 percent chance of showers and thunderstorms after 5pm. Sunny and hot, with a high near 97. Heat index values as high as 106. Light west southwest wind increasing to 5 to 10 mph in the afternoon.
Monday Night
A 30 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 77. East southeast wind around 5 mph becoming calm in the evening.
Tuesday
A 30 percent chance of showers and thunderstorms after 2pm. Sunny and hot, with a high near 96. Calm wind becoming south southwest around 5 mph in the afternoon.
Tuesday Night
A 30 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 77. South southeast wind around 5 mph becoming calm in the evening.
Wednesday
Sunny and hot, with a high near 96. Calm wind becoming south southeast around 5 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 77. South southeast wind around 5 mph becoming west southwest after midnight.
Thursday
Sunny and hot, with a high near 97. West wind around 5 mph.
Thursday Night
Mostly clear, with a low around 78. South southeast wind around 5 mph becoming west southwest after midnight.
Friday
A 20 percent chance of showers and thunderstorms. Sunny and hot, with a high near 97. West southwest wind around 5 mph.
Friday Night
A 10 percent chance of showers and thunderstorms. Partly cloudy, with a low around 78. Southwest wind around 5 mph.
Saturday
A 30 percent chance of showers and thunderstorms. Sunny and hot, with a high near 96. Southwest wind 5 to 10 mph.
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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:
8:56 am EDT Jul 12, 2026
Forecast Valid:
10am EDT Jul 12, 2026-6pm EDT Jul 18, 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