Forecast

    Forecast for St. Augustine, FL | Forecast Periods: 14
    Monday
    Mar 16
    2026

    St. Augustine, FL

    Updated: 4:42 PM EDT

    81°F

    Showers And Thunderstorms Likely

    16 mph SW
    Precipitation: 73%

    Showers and thunderstorms likely. Mostly cloudy. High near 81, with temperatures falling to around 71 in the afternoon. Southwest wind around 16 mph, with gusts as high as 23 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    Hourly Forecast

    MON16:00
    72°F
    Showers And Thunderstorms Likely
    Dewpoint:19.4°Precip:73%Humidity:85%Wind:16 mph SW
    MON17:00
    71°F
    Showers And Thunderstorms Likely
    Dewpoint:18.3°Precip:61%Humidity:83%Wind:15 mph SW
    MON18:00
    69°F
    Chance Rain Showers
    Dewpoint:17.2°Precip:49%Humidity:81%Wind:15 mph W
    MON19:00
    68°F
    Chance Rain Showers
    Dewpoint:16.1°Precip:38%Humidity:78%Wind:14 mph W
    TUE20:00
    66°F
    Slight Chance Rain Showers
    Dewpoint:14.4°Precip:22%Humidity:75%Wind:13 mph NW
    TUE21:00
    62°F
    Mostly Cloudy
    Dewpoint:12.2°Precip:10%Humidity:76%Wind:14 mph NW
    TUE22:00
    57°F
    Mostly Cloudy
    Dewpoint:10°Precip:4%Humidity:76%Wind:16 mph NW
    TUE23:00
    53°F
    Mostly Cloudy
    Dewpoint:7.8°Precip:3%Humidity:77%Wind:15 mph NW
    TUE00:00
    50°F
    Mostly Cloudy
    Dewpoint:6.1°Precip:1%Humidity:77%Wind:15 mph NW
    TUE01:00
    48°F
    Mostly Cloudy
    Dewpoint:3.9°Precip:3%Humidity:71%Wind:14 mph NW
    TUE02:00
    46°F
    Partly Cloudy
    Dewpoint:2.2°Precip:1%Humidity:68%Wind:14 mph NW
    TUE03:00
    44°F
    Partly Cloudy
    Dewpoint:1.7°Precip:0%Humidity:70%Wind:14 mph NW
    TUE04:00
    43°F
    Mostly Clear
    Dewpoint:0.6°Precip:0%Humidity:67%Wind:14 mph NW
    TUE05:00
    42°F
    Mostly Clear
    Dewpoint:0°Precip:0%Humidity:67%Wind:14 mph NW
    TUE06:00
    41°F
    Sunny
    Dewpoint:-0.6°Precip:0%Humidity:67%Wind:14 mph NW
    TUE07:00
    40°F
    Sunny
    Dewpoint:-0.6°Precip:1%Humidity:70%Wind:14 mph NW
    TUE08:00
    39°F
    Sunny
    Dewpoint:-1.7°Precip:0%Humidity:67%Wind:14 mph NW
    TUE09:00
    41°F
    Sunny
    Dewpoint:-1.1°Precip:0%Humidity:65%Wind:14 mph NW
    TUE10:00
    43°F
    Sunny
    Dewpoint:-1.1°Precip:0%Humidity:60%Wind:15 mph NW
    TUE11:00
    46°F
    Sunny
    Dewpoint:-1.1°Precip:0%Humidity:53%Wind:15 mph N
    TUE12:00
    49°F
    Sunny
    Dewpoint:-1.7°Precip:0%Humidity:46%Wind:14 mph N
    TUE13:00
    52°F
    Sunny
    Dewpoint:-1.1°Precip:0%Humidity:43%Wind:13 mph N
    TUE14:00
    53°F
    Sunny
    Dewpoint:-1.1°Precip:0%Humidity:41%Wind:12 mph N
    TUE15:00
    53°F
    Sunny
    Dewpoint:-0.6°Precip:0%Humidity:43%Wind:12 mph N

    Extended Forecast

    Tonight

    Mon, Mar 16
    39°F
    Chance Rain Showers then Mostly Cloudy
    13 mph NW
    Precipitation: 49%
    A chance of rain showers before 9pm. Mostly cloudy. Low around 39, with temperatures rising to around 42 overnight. Northwest wind 13 to 16 mph, with gusts as high as 23 mph. Chance of precipitation is 50%. New rainfall amounts between a quarter and half of an inch possible.

    Tuesday

    Tue, Mar 17
    56°F
    Sunny
    9 mph N
    Precipitation: 1%
    Sunny. High near 56, with temperatures falling to around 55 in the afternoon. North wind 9 to 15 mph, with gusts as high as 20 mph.

    Tuesday Night

    Tue, Mar 17
    45°F
    Mostly Cloudy
    6 mph N
    Precipitation: 0%
    Mostly cloudy. Low around 45, with temperatures rising to around 47 overnight. North wind 6 to 9 mph.

    Wednesday

    Wed, Mar 18
    60°F
    Sunny
    8 mph N
    Precipitation: 1%
    Sunny. High near 60, with temperatures falling to around 59 in the afternoon. North wind 8 to 14 mph, with gusts as high as 18 mph.

    Wednesday Night

    Wed, Mar 18
    50°F
    Partly Cloudy
    8 mph N
    Precipitation: 2%
    Partly cloudy, with a low around 50.

    Thursday

    Thu, Mar 19
    64°F
    Mostly Sunny
    9 mph N
    Precipitation: 4%
    Mostly sunny, with a high near 64.

    Thursday Night

    Thu, Mar 19
    51°F
    Partly Cloudy
    5 mph N
    Precipitation: 4%
    Partly cloudy, with a low around 51.

    Friday

    Fri, Mar 20
    69°F
    Sunny
    6 mph N
    Precipitation: 1%
    Sunny, with a high near 69.

    Friday Night

    Fri, Mar 20
    53°F
    Mostly Clear
    5 mph SE
    Precipitation: 0%
    Mostly clear, with a low around 53.

    Saturday

    Sat, Mar 21
    77°F
    Sunny
    6 mph S
    Precipitation: 1%
    Sunny, with a high near 77.

    Saturday Night

    Sat, Mar 21
    58°F
    Partly Cloudy
    10 mph S
    Precipitation: 2%
    Partly cloudy, with a low around 58.

    Sunday

    Sun, Mar 22
    79°F
    Sunny
    10 mph SW
    Precipitation: 3%
    Sunny, with a high near 79.

    Sunday Night

    Sun, Mar 22
    58°F
    Mostly Clear
    10 mph SW
    Precipitation: 3%
    Mostly clear, with a low around 58.

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