National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Heavy Rain and Thunderstorms in the Lower Ohio Valley and Southeast; Flooding Continues Along the East Coast of Florida

An approaching cold front may produce isolated heavy rainfall and severe weather today over portions of the Lower Ohio Valley and Southeast. While the heavy rainfall is ending across east Florida, significant river flooding is forecast along the St. John’s and the Peace rivers through the end of the week as flood waters will be slow to recede. Read More >

Current conditions at

Nantucket, Nantucket Memorial Airport (KACK)

Lat: 41.25°NLon: 70.06°WElev: 46ft.

Fair

62°F

17°C

Humidity 84%
Wind Speed SW 12 mph
Barometer 30.12 in (1019.8 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 4 Nov 1:53 pm EST
Extended Forecast for

6 Miles N Siasconset MA

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 60. Southwest wind around 16 mph.

    High: 60 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 59. Southwest wind around 14 mph.

    Low: 59 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 62. South wind 14 to 17 mph.

    High: 62 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: A chance of rain, mainly after 1am. Mostly cloudy, with a low around 60. South wind around 18 mph. Chance of precipitation is 50%.

    Low: 60 °F

    Slight Chance
    Rain then
    Chance Rain

  • Friday

    Friday: Rain and possibly a thunderstorm. Patchy fog. High near 62. South wind 16 to 18 mph. Chance of precipitation is 90%.

    High: 62 °F

    Rain and
    Patchy Fog

  • Friday Night

    Friday Night: Rain and possibly a thunderstorm. Patchy fog. Low around 58. South wind 10 to 14 mph. Chance of precipitation is 100%.

    Low: 58 °F

    Rain and
    Patchy Fog

  • Saturday

    Saturday: Rain, mainly before 1pm. Patchy fog before 1pm. High near 60. South wind 9 to 14 mph becoming west in the afternoon. Chance of precipitation is 80%.

    High: 60 °F

    Rain and
    Patchy Fog

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 54. Breezy, with a west wind 13 to 23 mph.

    Low: 54 °F

    Mostly Cloudy
    then Partly
    Cloudy and
    Breezy

  • Sunday

    Sunday: A chance of rain between 10am and 11am. Mostly sunny, with a high near 56. Breezy, with a west wind 21 to 25 mph. Chance of precipitation is 30%.

    High: 56 °F

    Breezy.
    Chance Rain
    then Mostly
    Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 60. Southwest wind around 16 mph.
Tonight
Partly cloudy, with a low around 59. Southwest wind around 14 mph.
Thursday
Partly sunny, with a high near 62. South wind 14 to 17 mph.
Thursday Night
A chance of rain, mainly after 1am. Mostly cloudy, with a low around 60. South wind around 18 mph. Chance of precipitation is 50%.
Friday
Rain and possibly a thunderstorm. Patchy fog. High near 62. South wind 16 to 18 mph. Chance of precipitation is 90%.
Friday Night
Rain and possibly a thunderstorm. Patchy fog. Low around 58. South wind 10 to 14 mph. Chance of precipitation is 100%.
Saturday
Rain, mainly before 1pm. Patchy fog before 1pm. High near 60. South wind 9 to 14 mph becoming west in the afternoon. Chance of precipitation is 80%.
Saturday Night
Mostly cloudy, with a low around 54. Breezy, with a west wind 13 to 23 mph.
Sunday
A chance of rain between 10am and 11am. Mostly sunny, with a high near 56. Breezy, with a west wind 21 to 25 mph. Chance of precipitation is 30%.
Sunday Night
Partly cloudy, with a low around 52. Breezy, with a west wind around 22 mph.
Monday
Mostly sunny, with a high near 54. Breezy, with a west wind 22 to 24 mph.
Monday Night
Mostly clear, with a low around 51. Breezy, with a northwest wind 21 to 23 mph.
Tuesday
Sunny, with a high near 56. Breezy, with a west wind around 23 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles N Siasconset MA
 41.35°N 70.01°W (Elev. 0 ft)
Last Update:
1:34 pm EST Nov 4, 2026
Forecast Valid:
2pm EST Nov 4, 2026-6pm EST Nov 10, 2026
 
Forecast Discussion
 
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Additional Resources

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National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation