National Weather Service forecast

Southwest Harbor, Maine Weather

48°Overnight: Slight Chance Light Rain
Wind SE 8 mph
7-DayHourlyRadar

Southwest Harbor 7-Day Forecast

  1. Overnight
    48°F
    Slight Chance Light Rain
    24% chance of precipitation

    A slight chance of rain. Mostly cloudy, with a low around 48. Southeast wind around 8 mph. Chance of precipitation is 20%.

  2. Wednesday
    62°F
    Slight Chance Light Rain then Partly Sunny
    21% chance of precipitation

    A slight chance of rain before 7am. Partly sunny, with a high near 62. Southwest wind 3 to 9 mph. Chance of precipitation is 20%.

  3. Wednesday Night
    51°F
    Partly Cloudy
    3% chance of precipitation

    Partly cloudy, with a low around 51. Southwest wind 3 to 7 mph.

  4. Thursday
    63°F
    Mostly Cloudy
    4% chance of precipitation

    Mostly cloudy, with a high near 63. Southwest wind 8 to 14 mph, with gusts as high as 25 mph.

  5. Thursday Night
    53°F
    Chance Light Rain
    37% chance of precipitation

    A chance of rain after 9pm. Mostly cloudy, with a low around 53. Southwest wind 7 to 10 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.

  6. Friday
    63°F
    Light Rain Likely
    73% chance of precipitation

    Rain likely. Mostly cloudy, with a high near 63. Southwest wind around 6 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch possible.

  7. Friday Night
    50°F
    Rain
    97% chance of precipitation

    Rain likely before 7pm, then rain and a slight chance of thunderstorms. Cloudy, with a low around 50. Southeast wind 2 to 8 mph. Chance of precipitation is 100%.

  8. Saturday
    59°F
    Light Rain
    90% chance of precipitation

    Rain. Cloudy, with a high near 59. Chance of precipitation is 90%.

  9. Saturday Night
    45°F
    Light Rain Likely
    64% chance of precipitation

    Rain likely. Mostly cloudy, with a low around 45. Chance of precipitation is 60%.

  10. Sunday
    54°F
    Chance Light Rain
    49% chance of precipitation

    A chance of rain. Mostly cloudy, with a high near 54. Chance of precipitation is 50%.

  11. Sunday Night
    41°F
    Slight Chance Light Rain then Mostly Cloudy
    19% chance of precipitation

    A slight chance of rain before 10pm. Mostly cloudy, with a low around 41. Chance of precipitation is 20%.

  12. Monday
    52°F
    Chance Light Rain
    28% chance of precipitation

    A chance of rain after 11am. Mostly sunny, with a high near 52. Chance of precipitation is 30%.

  13. Monday Night
    38°F
    Chance Light Rain
    25% chance of precipitation

    A chance of rain before 3am. Partly cloudy, with a low around 38. Chance of precipitation is 30%.

  14. Tuesday
    52°F
    Mostly Sunny
    13% chance of precipitation

    Mostly sunny, with a high near 52.

Issued by the National Weather Service (CAR office), updated .

Southwest Harbor Hourly Forecast

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About Southwest Harbor

Population (2020 Census)
740
Coordinates
44.278, -68.329
Elevation
49 ft
NWS forecast office
CAR
Time zone
America/New York
Sunrise today
6:14 AM EST
Sunset today
4:19 PM EST
Daylight today
10 h 6 min

Southwest Harbor Weather Questions

What is the weather forecast for Southwest Harbor, Maine?

Overnight: A slight chance of rain. Mostly cloudy, with a low around 48. Southeast wind around 8 mph. Chance of precipitation is 20%. Wednesday: A slight chance of rain before 7am. Partly sunny, with a high near 62. Southwest wind 3 to 9 mph. Chance of precipitation is 20%.

Will it rain or snow in Southwest Harbor this week?

The best chance of precipitation is Friday Night at 97%. Periods with a 30% chance or more: Thursday Night (37%), Friday (73%), Friday Night (97%), Saturday (90%), Saturday Night (64%), Sunday (49%).

How warm and how cold will it get in Southwest Harbor this week?

The warmest day is Thursday, with a high near 63°F. The coldest night is Monday Night, with a low near 38°F.

What time are sunrise and sunset in Southwest Harbor today?

Sunrise is at 6:14 AM EST and sunset is at 4:19 PM EST, for 10 h 6 min of daylight.

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