Forecast

    Forecast for Sebastian, FL | Forecast Periods: 14
    Sunday
    Mar 15
    2026

    Sebastian, FL

    Updated: 3:14 PM EDT

    83°F

    Showers And Thunderstorms Likely

    15 mph SSE
    Precipitation: 70%

    Showers and thunderstorms likely. Mostly cloudy. High near 83, with temperatures falling to around 78 in the afternoon. South southeast wind around 15 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.

    Hourly Forecast

    SUN16:00
    80°F
    Showers And Thunderstorms Likely
    Dewpoint:21.7°Precip:58%Humidity:74%Wind:15 mph SSE
    SUN17:00
    78°F
    Showers And Thunderstorms Likely
    Dewpoint:21.7°Precip:70%Humidity:79%Wind:15 mph SSE
    SUN18:00
    77°F
    Showers And Thunderstorms
    Dewpoint:21.7°Precip:79%Humidity:82%Wind:15 mph S
    SUN19:00
    72°F
    Showers And Thunderstorms Likely
    Dewpoint:21.1°Precip:55%Humidity:93%Wind:10 mph S
    MON20:00
    71°F
    Showers And Thunderstorms Likely
    Dewpoint:20.6°Precip:55%Humidity:93%Wind:10 mph S
    MON21:00
    70°F
    Chance Showers And Thunderstorms
    Dewpoint:20°Precip:52%Humidity:93%Wind:10 mph S
    MON22:00
    69°F
    Chance Showers And Thunderstorms
    Dewpoint:20°Precip:42%Humidity:97%Wind:5 mph S
    MON23:00
    69°F
    Slight Chance Showers And Thunderstorms
    Dewpoint:20°Precip:22%Humidity:97%Wind:5 mph SSE
    MON00:00
    69°F
    Slight Chance Showers And Thunderstorms
    Dewpoint:20°Precip:18%Humidity:97%Wind:5 mph SSE
    MON01:00
    68°F
    Slight Chance Showers And Thunderstorms
    Dewpoint:19.4°Precip:22%Humidity:97%Wind:5 mph SSE
    MON02:00
    67°F
    Chance Showers And Thunderstorms
    Dewpoint:19.4°Precip:26%Humidity:100%Wind:5 mph SSE
    MON03:00
    67°F
    Slight Chance Showers And Thunderstorms
    Dewpoint:19.4°Precip:23%Humidity:100%Wind:5 mph S
    MON04:00
    67°F
    Slight Chance Showers And Thunderstorms
    Dewpoint:19.4°Precip:20%Humidity:100%Wind:5 mph S
    MON05:00
    66°F
    Slight Chance Showers And Thunderstorms
    Dewpoint:18.9°Precip:23%Humidity:100%Wind:10 mph S
    MON06:00
    67°F
    Chance Showers And Thunderstorms
    Dewpoint:19.4°Precip:26%Humidity:100%Wind:10 mph S
    MON07:00
    67°F
    Chance Showers And Thunderstorms
    Dewpoint:19.4°Precip:27%Humidity:100%Wind:10 mph S
    MON08:00
    67°F
    Slight Chance Showers And Thunderstorms
    Dewpoint:19.4°Precip:20%Humidity:100%Wind:10 mph S
    MON09:00
    72°F
    Slight Chance Showers And Thunderstorms
    Dewpoint:20.6°Precip:16%Humidity:90%Wind:10 mph S
    MON10:00
    76°F
    Mostly Sunny
    Dewpoint:22.2°Precip:9%Humidity:87%Wind:15 mph S
    MON11:00
    79°F
    Chance Showers And Thunderstorms
    Dewpoint:22.2°Precip:27%Humidity:79%Wind:15 mph S
    MON12:00
    83°F
    Chance Showers And Thunderstorms
    Dewpoint:22.2°Precip:46%Humidity:70%Wind:15 mph S
    MON13:00
    84°F
    Chance Showers And Thunderstorms
    Dewpoint:21.7°Precip:50%Humidity:65%Wind:15 mph SSW
    MON14:00
    84°F
    Chance Showers And Thunderstorms
    Dewpoint:21.7°Precip:49%Humidity:65%Wind:15 mph SSW
    MON15:00
    85°F
    Showers And Thunderstorms Likely
    Dewpoint:21.7°Precip:65%Humidity:63%Wind:15 mph SSW

    Extended Forecast

    Tonight

    Sun, Mar 15
    65°F
    Showers And Thunderstorms then Chance Showers And Thunderstorms
    5 mph S
    Precipitation: 79%
    Showers and thunderstorms before 9pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 65. South wind 5 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

    Monday

    Mon, Mar 16
    86°F
    Chance Showers And Thunderstorms
    10 mph SSW
    Precipitation: 74%
    A chance of showers and thunderstorms before 3pm, then showers and thunderstorms likely. Some of the storms could produce heavy rain. Mostly sunny, with a high near 86. South southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New rainfall amounts between three quarters and one inch possible.

    Monday Night

    Mon, Mar 16
    51°F
    Showers And Thunderstorms Likely then Chance Showers And Thunderstorms
    10 mph W
    Precipitation: 66%
    Showers and thunderstorms likely before 7pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 51. West wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%.

    Tuesday

    Tue, Mar 17
    64°F
    Slight Chance Rain Showers then Mostly Cloudy
    15 mph NNW
    Precipitation: 24%
    A slight chance of rain showers before 8am. Mostly cloudy, with a high near 64. North northwest wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.

    Tuesday Night

    Tue, Mar 17
    52°F
    Mostly Cloudy
    10 mph N
    Precipitation: 11%
    Mostly cloudy, with a low around 52. North wind 10 to 15 mph, with gusts as high as 25 mph.

    Wednesday

    Wed, Mar 18
    70°F
    Mostly Cloudy then Slight Chance Rain Showers
    10 mph NNE
    Precipitation: 16%
    A slight chance of rain showers after 2pm. Mostly cloudy, with a high near 70. North northeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.

    Wednesday Night

    Wed, Mar 18
    58°F
    Slight Chance Rain Showers
    5 mph NNE
    Precipitation: 16%
    A slight chance of rain showers before 2am. Mostly cloudy, with a low around 58. North northeast wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.

    Thursday

    Thu, Mar 19
    73°F
    Slight Chance Rain Showers
    10 mph NNE
    Precipitation: 15%
    A slight chance of rain showers after 8am. Partly sunny, with a high near 73. North northeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.

    Thursday Night

    Thu, Mar 19
    57°F
    Slight Chance Rain Showers then Mostly Cloudy
    5 mph N
    Precipitation: 15%
    A slight chance of rain showers before 8pm. Mostly cloudy, with a low around 57. North wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.

    Friday

    Fri, Mar 20
    73°F
    Sunny
    5 mph N
    Precipitation: 13%
    Sunny, with a high near 73. North wind 5 to 10 mph.

    Friday Night

    Fri, Mar 20
    55°F
    Mostly Clear
    5 mph N
    Precipitation: 8%
    Mostly clear, with a low around 55. North wind 5 to 10 mph.

    Saturday

    Sat, Mar 21
    77°F
    Sunny
    5 mph N
    Precipitation: 3%
    Sunny, with a high near 77. North wind 5 to 10 mph.

    Saturday Night

    Sat, Mar 21
    55°F
    Mostly Clear
    5 mph SSW
    Precipitation: 3%
    Mostly clear, with a low around 55. South southwest wind around 5 mph.

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