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.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

Port St. John FL

  • Overnight

    Overnight: Mostly cloudy, with a low around 77. Southwest wind around 5 mph becoming calm.

    Low: 77 °F

    Mostly Cloudy

  • Saturday

    Saturday: Showers and thunderstorms likely, mainly after 2pm. Partly sunny, with a high near 92. Heat index values as high as 105. West wind around 5 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 92 °F

    Slight Chance
    T-storms then
    T-storms
    Likely

  • Saturday Night

    Saturday Night: Showers and thunderstorms likely before 1am, then a slight chance of showers between 1am and 2am. Mostly cloudy, with a low around 76. South southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 76 °F

    T-storms
    Likely then
    Slight Chance
    Showers

  • Sunday

    Sunday: Showers and thunderstorms likely between 2pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Mostly sunny, with a high near 92. Heat index values as high as 103. Calm wind becoming northwest around 5 mph in the afternoon. Chance of precipitation is 70%.

    High: 92 °F

    Mostly Sunny
    then T-storms
    Likely

  • Sunday Night

    Sunday Night: Showers likely and possibly a thunderstorm before 8pm. Partly cloudy, with a low around 77. Southeast wind around 5 mph becoming calm. Chance of precipitation is 60%.

    Low: 77 °F

    Showers
    Likely then
    Mostly Clear

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 94. Calm wind becoming south around 5 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. Partly cloudy, with a low around 78. South southeast wind around 5 mph becoming calm in the evening.

    Low: 78 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms after 2pm. Sunny and hot, with a high near 95. Calm wind becoming south around 5 mph in the afternoon.

    High: 95 °F

    Sunny then
    Slight Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 10 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 77. South southeast wind around 5 mph becoming southwest after midnight.

    Low: 77 °F

    Slight Chance
    T-storms then
    Partly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 77. Southwest wind around 5 mph becoming calm.
Saturday
Showers and thunderstorms likely, mainly after 2pm. Partly sunny, with a high near 92. Heat index values as high as 105. West wind around 5 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday Night
Showers and thunderstorms likely before 1am, then a slight chance of showers between 1am and 2am. Mostly cloudy, with a low around 76. South southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday
Showers and thunderstorms likely between 2pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Mostly sunny, with a high near 92. Heat index values as high as 103. Calm wind becoming northwest around 5 mph in the afternoon. Chance of precipitation is 70%.
Sunday Night
Showers likely and possibly a thunderstorm before 8pm. Partly cloudy, with a low around 77. Southeast wind around 5 mph becoming calm. Chance of precipitation is 60%.
Monday
A 20 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 94. Calm wind becoming south around 5 mph in the afternoon.
Monday Night
A 10 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 78. South southeast wind around 5 mph becoming calm in the evening.
Tuesday
A 20 percent chance of showers and thunderstorms after 2pm. Sunny and hot, with a high near 95. Calm wind becoming south around 5 mph in the afternoon.
Tuesday Night
A 10 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 77. South southeast wind around 5 mph becoming southwest after midnight.
Wednesday
A 30 percent chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 95. West southwest wind 5 to 10 mph.
Wednesday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 77. South southwest wind around 5 mph.
Thursday
A 40 percent chance of showers and thunderstorms. Sunny, with a high near 94. South southwest wind 5 to 10 mph.
Thursday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 77. South wind around 5 mph.
Friday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 93. South southwest wind 5 to 10 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Port St. John FL
 28.48°N 80.79°W (Elev. 23 ft)
Last Update:
1:39 am EDT Jun 20, 2026
Forecast Valid:
2am EDT Jun 20, 2026-6pm EDT Jun 26, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation