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 S 9 mph
Barometer 30.08 in
Dewpoint N/A
Visibility 7.00 mi
Last update 26 Aug 10:47 am EDT
Extended Forecast for

Port St. John FL

  • Today

    Today: A 50 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 94. Heat index values as high as 105. East southeast wind 5 to 10 mph. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 94 °F

    Chance
    T-storms

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 75. South southeast wind around 5 mph becoming calm after midnight.

    Low: 75 °F

    Chance
    T-storms then
    Mostly Clear

  • Thursday

    Thursday: Showers and thunderstorms likely, mainly between 4pm and 5pm. Mostly sunny, with a high near 93. Heat index values as high as 103. Light south wind becoming southeast 5 to 10 mph in the morning. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 93 °F

    Sunny then
    T-storms
    Likely

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Partly cloudy, with a low around 75. Southeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.

    Low: 75 °F

    Chance
    T-storms then
    Slight Chance
    Showers

  • Friday

    Friday: Showers and thunderstorms likely between 2pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Mostly sunny, with a high near 93. Light and variable wind becoming southeast 5 to 10 mph in the afternoon. Chance of precipitation is 60%.

    High: 93 °F

    Sunny then
    T-storms
    Likely

  • Friday Night

    Friday Night: Showers likely and possibly a thunderstorm before 8pm, then a slight chance of showers and thunderstorms between 8pm and 2am. 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

    Showers
    Likely then
    Slight Chance
    T-storms

  • Saturday

    Saturday: A 50 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 92. Light southeast wind becoming east 5 to 10 mph in the afternoon.

    High: 92 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 77. East wind around 5 mph becoming calm after midnight.

    Low: 77 °F

    Chance
    T-storms

  • Sunday

    Sunday: Showers and thunderstorms likely, mainly after 2pm. Mostly sunny, with a high near 91. Light east northeast wind becoming east 5 to 10 mph in the afternoon. Chance of precipitation is 60%.

    High: 91 °F

    T-storms
    Likely

Detailed Forecast

Today
A 50 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 94. Heat index values as high as 105. East southeast wind 5 to 10 mph. 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. Partly cloudy, with a low around 75. South southeast wind around 5 mph becoming calm after midnight.
Thursday
Showers and thunderstorms likely, mainly between 4pm and 5pm. Mostly sunny, with a high near 93. Heat index values as high as 103. Light south wind becoming southeast 5 to 10 mph in the morning. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
A chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Partly cloudy, with a low around 75. Southeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.
Friday
Showers and thunderstorms likely between 2pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Mostly sunny, with a high near 93. Light and variable wind becoming southeast 5 to 10 mph in the afternoon. Chance of precipitation is 60%.
Friday Night
Showers likely and possibly a thunderstorm before 8pm, then a slight chance of showers and thunderstorms between 8pm and 2am. Partly cloudy, with a low around 76. Southeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%.
Saturday
A 50 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 92. Light southeast wind becoming east 5 to 10 mph in the afternoon.
Saturday Night
A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 77. East wind around 5 mph becoming calm after midnight.
Sunday
Showers and thunderstorms likely, mainly after 2pm. Mostly sunny, with a high near 91. Light east northeast wind becoming east 5 to 10 mph in the afternoon. Chance of precipitation is 60%.
Sunday Night
Showers and thunderstorms likely before 8pm. Partly cloudy, with a low around 77. East wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%.
Monday
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 91. Light east northeast wind becoming east 5 to 10 mph in the morning.
Monday Night
Partly cloudy, with a low around 77. East wind around 5 mph becoming calm in the evening.
Tuesday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 91. Light northeast wind becoming east 5 to 10 mph in the morning.
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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:
11:14 am EDT Aug 26, 2026
Forecast Valid:
11am EDT Aug 26, 2026-6pm EDT Sep 1, 2026
 
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Additional Resources

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Chance of Precipitation