Forecast

    South Yarmouth, MA
    Forecast for South Yarmouth, MA | Forecast Periods: 14
    Monday
    Jun 23
    2025

    South Yarmouth, MA

    Updated: 1:19 PM EDT

    83°F

    Mostly Sunny

    7 mph S
    Precipitation: 0%

    Mostly sunny, with a high near 83. South wind around 7 mph.

    24-Hour Temperature & Dewpoint Trend

    7 PM9 PM11 PM1 AM3 AM5 AM7 AM9 AM11 AM1 PM3 PM5 PM0255075100Temperature (°F)0255075100Percent (%)
    • Temperature
    • Dewpoint
    • Humidity
    • Precipitation

    Hourly Forecast

    MON14:00
    81°F
    Sunny
    Dewpoint:21°Humidity:67%Precip:0%
    MON15:00
    80°F
    Sunny
    Dewpoint:20°Humidity:67%Precip:0%
    MON16:00
    79°F
    Sunny
    Dewpoint:20°Humidity:69%Precip:0%
    MON17:00
    79°F
    Mostly Sunny
    Dewpoint:20°Humidity:69%Precip:0%
    MON18:00
    76°F
    Partly Cloudy
    Dewpoint:18°Humidity:69%Precip:0%
    MON19:00
    75°F
    Mostly Cloudy
    Dewpoint:18°Humidity:69%Precip:0%
    TUE20:00
    72°F
    Patchy Fog
    Dewpoint:18°Humidity:76%Precip:0%
    TUE21:00
    71°F
    Mostly Cloudy
    Dewpoint:17°Humidity:76%Precip:0%
    TUE22:00
    70°F
    Partly Cloudy
    Dewpoint:17°Humidity:78%Precip:0%
    TUE23:00
    69°F
    Mostly Cloudy
    Dewpoint:17°Humidity:81%Precip:0%
    TUE00:00
    69°F
    Mostly Cloudy
    Dewpoint:17°Humidity:81%Precip:0%
    TUE01:00
    69°F
    Mostly Cloudy
    Dewpoint:17°Humidity:81%Precip:0%
    TUE02:00
    69°F
    Mostly Cloudy
    Dewpoint:17°Humidity:81%Precip:0%
    TUE03:00
    69°F
    Patchy Fog
    Dewpoint:17°Humidity:81%Precip:0%
    TUE04:00
    69°F
    Patchy Fog
    Dewpoint:18°Humidity:84%Precip:0%
    TUE05:00
    68°F
    Patchy Fog
    Dewpoint:18°Humidity:87%Precip:0%
    TUE06:00
    69°F
    Patchy Fog
    Dewpoint:18°Humidity:87%Precip:0%
    TUE07:00
    71°F
    Patchy Fog
    Dewpoint:19°Humidity:84%Precip:0%
    TUE08:00
    75°F
    Partly Sunny
    Dewpoint:21°Humidity:84%Precip:0%
    TUE09:00
    78°F
    Mostly Sunny
    Dewpoint:22°Humidity:79%Precip:0%
    TUE10:00
    82°F
    Sunny
    Dewpoint:22°Humidity:69%Precip:0%
    TUE11:00
    86°F
    Sunny
    Dewpoint:22°Humidity:63%Precip:0%
    TUE12:00
    88°F
    Sunny
    Dewpoint:22°Humidity:59%Precip:0%
    TUE13:00
    89°F
    Sunny
    Dewpoint:22°Humidity:57%Precip:0%

    7-Day Forecast

    Tonight

    Mon, Jun 23
    67°F
    Patchy Fog
    9 mph SW
    Precipitation: 0%
    Patchy fog after 8pm. Mostly cloudy, with a low around 67. Southwest wind around 9 mph.

    Tuesday

    Tue, Jun 24
    92°F
    Patchy Fog then Mostly Sunny
    7 mph SW
    Precipitation: 0%
    Patchy fog before 8am. Mostly sunny, with a high near 92. Heat index values as high as 96. Southwest wind 7 to 12 mph.

    Tuesday Night

    Tue, Jun 24
    71°F
    Mostly Clear
    5 mph W
    Precipitation: 4%
    Mostly clear, with a low around 71. West wind 5 to 10 mph.

    Wednesday

    Wed, Jun 25
    84°F
    Mostly Sunny
    5 mph N
    Precipitation: 14%
    Mostly sunny, with a high near 84. North wind 5 to 8 mph.

    Wednesday Night

    Wed, Jun 25
    64°F
    Chance Showers And Thunderstorms
    5 mph E
    Precipitation: 32%
    A slight chance of rain showers before 8pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 64. East wind around 5 mph. Chance of precipitation is 30%.

    Thursday

    Thu, Jun 26
    73°F
    Chance Rain Showers
    5 mph NE
    Precipitation: 35%
    A chance of rain showers. Partly sunny, with a high near 73. Northeast wind 5 to 10 mph. Chance of precipitation is 40%.

    Thursday Night

    Thu, Jun 26
    61°F
    Chance Rain Showers
    5 mph E
    Precipitation: 30%
    A chance of rain showers. Mostly cloudy, with a low around 61. East wind 5 to 8 mph. Chance of precipitation is 30%.

    Friday

    Fri, Jun 27
    72°F
    Slight Chance Rain Showers
    6 mph E
    Precipitation: 24%
    A slight chance of rain showers. Partly sunny, with a high near 72. East wind 6 to 10 mph.

    Friday Night

    Fri, Jun 27
    62°F
    Chance Rain Showers
    8 mph SE
    Precipitation: 30%
    A chance of rain showers. Mostly cloudy, with a low around 62. Southeast wind around 8 mph. Chance of precipitation is 30%.

    Saturday

    Sat, Jun 28
    75°F
    Chance Rain Showers
    7 mph S
    Precipitation: 37%
    A chance of rain showers. Mostly cloudy, with a high near 75. South wind 7 to 12 mph. Chance of precipitation is 40%.

    Saturday Night

    Sat, Jun 28
    64°F
    Chance Showers And Thunderstorms
    6 mph SW
    Precipitation: 39%
    A chance of rain showers before 8pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 64. Southwest wind 6 to 9 mph. Chance of precipitation is 40%.

    Sunday

    Sun, Jun 29
    78°F
    Chance Rain Showers
    6 mph W
    Precipitation: 35%
    A chance of rain showers before 1pm. Partly sunny, with a high near 78. West wind 6 to 10 mph. Chance of precipitation is 40%.

    Sunday Night

    Sun, Jun 29
    64°F
    Mostly Cloudy then Slight Chance Rain Showers
    7 mph SW
    Precipitation: 15%
    A slight chance of rain showers after 5am. Mostly cloudy, with a low around 64. Southwest wind around 7 mph.

    Display Settings

    Weather Insights

    Temperature

    The current temperature in South Yarmouth is 83°F. It feels warm.

    Wind

    The wind in South Yarmouth is currently blowing from the S at 7 mph.

    Humidity

    Humidity data is not available for this period.

    Precipitation

    There is currently no significant chance of precipitation.

    Dew Point

    Dewpoint data is not available for this period.