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 SW 7 mph
Barometer 29.98 in
Dewpoint N/A
Visibility 7.00 mi
Last update 1 Aug 9:47 am EDT
Extended Forecast for

Port St. John FL

  • Today

    Today: Showers and thunderstorms likely, mainly after 4pm. Partly sunny, with a high near 93. Heat index values as high as 106. Southwest wind 5 to 10 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    High: 93 °F

    Mostly Sunny
    then T-storms
    Likely

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly before 9pm. Mostly cloudy, with a low around 75. South southwest wind around 5 mph.

    Low: 75 °F

    Chance
    T-storms then
    Mostly Cloudy

  • Sunday

    Sunday: Showers and thunderstorms likely, mainly between 2pm and 3pm. Partly sunny, with a high near 90. South southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 90 °F

    Partly Sunny
    then T-storms
    Likely

  • Sunday Night

    Sunday Night: A 30 percent chance of showers and thunderstorms before 8pm. Mostly cloudy, with a low around 75. South wind around 5 mph.

    Low: 75 °F

    Chance
    T-storms then
    Mostly Cloudy

  • Monday

    Monday: Showers and thunderstorms likely after 2pm. Partly sunny, with a high near 91. South southwest wind 5 to 10 mph. Chance of precipitation is 70%.

    High: 91 °F

    Partly Sunny
    then T-storms
    Likely

  • Monday Night

    Monday Night: Showers and thunderstorms likely before 8pm. Mostly cloudy, with a low around 75. South wind around 5 mph. Chance of precipitation is 60%.

    Low: 75 °F

    T-storms
    Likely then
    Mostly Cloudy

  • Tuesday

    Tuesday: Showers and thunderstorms likely after 2pm. Mostly sunny, with a high near 92. Calm wind becoming south southeast around 5 mph in the afternoon. Chance of precipitation is 60%.

    High: 92 °F

    Mostly Sunny
    then T-storms
    Likely

  • Tuesday Night

    Tuesday Night: Showers and thunderstorms likely, mainly before 8pm. Partly 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

  • Wednesday

    Wednesday: A 50 percent chance of showers and thunderstorms after 8am. Mostly sunny, with a high near 91. Light east southeast wind becoming east 5 to 10 mph in the afternoon.

    High: 91 °F

    Chance
    T-storms

Detailed Forecast

Today
Showers and thunderstorms likely, mainly after 4pm. Partly sunny, with a high near 93. Heat index values as high as 106. Southwest wind 5 to 10 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Tonight
A 30 percent chance of showers and thunderstorms, mainly before 9pm. Mostly cloudy, with a low around 75. South southwest wind around 5 mph.
Sunday
Showers and thunderstorms likely, mainly between 2pm and 3pm. Partly sunny, with a high near 90. South southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday Night
A 30 percent chance of showers and thunderstorms before 8pm. Mostly cloudy, with a low around 75. South wind around 5 mph.
Monday
Showers and thunderstorms likely after 2pm. Partly sunny, with a high near 91. South southwest wind 5 to 10 mph. Chance of precipitation is 70%.
Monday Night
Showers and thunderstorms likely before 8pm. Mostly cloudy, with a low around 75. South wind around 5 mph. Chance of precipitation is 60%.
Tuesday
Showers and thunderstorms likely after 2pm. Mostly sunny, with a high near 92. Calm wind becoming south southeast around 5 mph in the afternoon. Chance of precipitation is 60%.
Tuesday Night
Showers and thunderstorms likely, mainly before 8pm. Partly cloudy, with a low around 76. Southeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%.
Wednesday
A 50 percent chance of showers and thunderstorms after 8am. Mostly sunny, with a high near 91. Light east southeast wind becoming east 5 to 10 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 77. East wind around 5 mph becoming calm in the evening.
Thursday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 91. Light east wind increasing to 5 to 10 mph in the morning.
Thursday Night
Mostly clear, with a low around 77. East wind around 5 mph becoming calm in the evening.
Friday
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 91. East 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 Aug 1, 2026
Forecast Valid:
10am EDT Aug 1, 2026-6pm EDT Aug 7, 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