National Weather Service forecast

South Portland, Maine Weather

46°Overnight: Mostly Cloudy
Wind 0 mph
7-DayHourlyRadar

South Portland 7-Day Forecast

  1. Overnight
    46°F
    Mostly Cloudy
    3% chance of precipitation

    Mostly cloudy, with a low around 46. West wind around 0 mph.

  2. Wednesday
    73°F
    Partly Sunny
    4% chance of precipitation

    Partly sunny. High near 73, with temperatures falling to around 65 in the afternoon. Southwest wind 0 to 10 mph.

  3. Wednesday Night
    52°F
    Partly Cloudy
    2% chance of precipitation

    Partly cloudy, with a low around 52. Southwest wind around 5 mph.

  4. Thursday
    69°F
    Mostly Cloudy then Chance Light Rain
    44% chance of precipitation

    A chance of rain between 1pm and 3pm. Mostly cloudy, with a high near 69. South wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 40%.

  5. Thursday Night
    57°F
    Mostly Cloudy then Slight Chance Light Rain
    19% chance of precipitation

    A slight chance of rain after 1am. Mostly cloudy, with a low around 57. Southwest wind 5 to 10 mph.

  6. Friday
    68°F
    Light Rain Likely
    67% chance of precipitation

    Rain likely. Mostly cloudy, with a high near 68. Chance of precipitation is 70%.

  7. Friday Night
    50°F
    Light Rain
    91% chance of precipitation

    Rain. Cloudy, with a low around 50. Chance of precipitation is 90%.

  8. Saturday
    61°F
    Light Rain
    82% chance of precipitation

    Rain. Mostly cloudy, with a high near 61. Chance of precipitation is 80%.

  9. Saturday Night
    42°F
    Chance Light Rain
    39% chance of precipitation

    A chance of rain. Mostly cloudy, with a low around 42. Chance of precipitation is 40%.

  10. Sunday
    57°F
    Chance Light Rain
    34% chance of precipitation

    A chance of rain. Partly sunny, with a high near 57. Chance of precipitation is 30%.

  11. Sunday Night
    35°F
    Partly Cloudy
    14% chance of precipitation

    Partly cloudy, with a low around 35.

  12. Monday
    55°F
    Mostly Sunny then Slight Chance Light Rain
    21% chance of precipitation

    A slight chance of rain after noon. Mostly sunny, with a high near 55.

  13. Monday Night
    32°F
    Slight Chance Light Rain then Partly Cloudy
    19% chance of precipitation

    A slight chance of rain before 8pm. Partly cloudy, with a low around 32.

  14. Tuesday
    56°F
    Mostly Sunny
    10% chance of precipitation

    Mostly sunny, with a high near 56.

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

South Portland Hourly Forecast

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About South Portland

Population (2020 Census)
26,498
Coordinates
43.631, -70.286
Elevation
39 ft
NWS forecast office
GYX
Time zone
America/New York
Sunrise today
6:20 AM EST
Sunset today
4:28 PM EST
Daylight today
10 h 8 min

South Portland Weather Questions

What is the weather forecast for South Portland, Maine?

Overnight: Mostly cloudy, with a low around 46. West wind around 0 mph. Wednesday: Partly sunny. High near 73, with temperatures falling to around 65 in the afternoon. Southwest wind 0 to 10 mph.

Will it rain or snow in South Portland this week?

The best chance of precipitation is Friday Night at 91%. Periods with a 30% chance or more: Thursday (44%), Friday (67%), Friday Night (91%), Saturday (82%), Saturday Night (39%), Sunday (34%).

How warm and how cold will it get in South Portland this week?

The warmest day is Wednesday, with a high near 73°F. The coldest night is Monday Night, with a low near 32°F.

What time are sunrise and sunset in South Portland today?

Sunrise is at 6:20 AM EST and sunset is at 4:28 PM EST, for 10 h 8 min of daylight.

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