Chebeague Island, ME Weather Forecast | 5 Day

Updated: Thu Sep 24th 2026 5:30 PM EDT

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Chebeague Island, ME Weather Forecast - 9-24-26 - Sunny

Sunny

Thu 9-24-26

Sunny with a high of 59°F and a low of 49°F. There's a very small chance of rainfall, only about 7%. Wind will be moderate, blowing around 14mph on average and gusts of 8.1mph at 11 PM. The humidity will be on the higher side, averaging about 70%, the maximum being 69% at 11 PM and 65% being its lowest at 6 PM. Barometric pressure is its highest of 30.39inHg at 6 PM, a lowest point of 30.35inHg at 11 PM with an avg 30.38inHg.

    • HI: 59°F
    • LO: 49°F
    • Rainfall: 7%
    • Snowfall: 0%
    • Wind
      13.2 mph
    • Humidity
      70% avg.
    • UV Index
      4.8
    • Air Quality
      Good
    • Sunrise
      06:30 AM
    • Sunset
      06:34 PM
    • Moonrise
      05:42 PM
    • Moonset
      04:21 AM
    • Moon Phase
      Full Moon
Chebeague Island, ME Weather Forecast - 9-25-26 - Overcast

Overcast

Weather Tomorrow, Fri 9-25-26

Overcast with a high of 64°F and a low of 52°F. There's a moderate 36% chance of rainfall with an estimated 0.01in. Wind will be moderate, blowing around 19mph on average and gusts of 32.7mph at 11 PM. The humidity will be on the higher side, averaging about 72%, the maximum being 83% at 7 AM and 59% being its lowest at 4 PM. Barometric pressure is its highest of 30.35inHg at 12 AM, a lowest point of 30.11inHg at 11 PM with an avg 30.22inHg.

    • HI: 64°F
    • LO: 52°F
    • Rainfall: 36% | est. 0.01in
    • Snowfall: 0%
    • Wind
      18.1 mph
    • Humidity
      72% avg.
    • UV Index
      3.7
    • Air Quality
      Good
    • Sunrise
      06:31 AM
    • Sunset
      06:33 PM
    • Moonrise
      05:59 PM
    • Moonset
      05:25 AM
    • Moon Phase
      Full Moon
Chebeague Island, ME Weather Forecast - 9-26-26 - Light Rain

Light Rain

Sat 9-26-26

Light Rain with a high of 58°F and a low of 54°F. It will likey rain, having a 91% chance of a downpour with an estimated 1.56in. Winds will be strong at speeds peaking at 30mph and gusts of 45mph at 3 PM. High humidity with average of 87% is anticipated, the maximum being 92% at 11 AM and 78% being its lowest at 12 AM. Barometric pressure is its highest of 30.11inHg at 12 AM, a lowest point of 29.84inHg at 11 PM with an avg 29.95inHg.

    • HI: 58°F
    • LO: 54°F
    • Rainfall: 91% | est. 1.56in
    • Snowfall: 0%
    • Wind
      29.1 mph
    • Humidity
      87% avg.
    • UV Index
      0.3
    • Air Quality
      Good
    • Sunrise
      06:32 AM
    • Sunset
      06:31 PM
    • Moonrise
      06:17 PM
    • Moonset
      06:30 AM
    • Moon Phase
      Full Moon
Chebeague Island, ME Weather Forecast - 9-27-26 - Light Rain Shower

Light Rain Shower

Sun 9-27-26

Light Rain Shower with a high of 57°F and a low of 56°F. It will likey rain, having a 93% chance of a downpour with an estimated 0.49in. Winds will be strong at speeds peaking at 28mph and gusts of 42.5mph at 4 AM. High humidity with average of 92% is anticipated, the maximum being 95% at 10 AM and 87% being its lowest at 11 PM. Barometric pressure is its highest of 29.95inHg at 10 PM, a lowest point of 29.82inHg at 5 AM with an avg 29.88inHg.

    • HI: 57°F
    • LO: 56°F
    • Rainfall: 93% | est. 0.49in
    • Snowfall: 0%
    • Wind
      27.5 mph
    • Humidity
      92% avg.
    • UV Index
      0.7
    • Air Quality
      Good
    • Sunrise
      06:33 AM
    • Sunset
      06:29 PM
    • Moonrise
      06:37 PM
    • Moonset
      07:36 AM
    • Moon Phase
      Waning Gibbous
Chebeague Island, ME Weather Forecast - 9-28-26 - Light Rain Shower

Light Rain Shower

Mon 9-28-26

Light Rain Shower with a high of 57°F and a low of 52°F. It will likey rain, having a 91% chance of a downpour with an estimated 0.42in. Winds will be strong at speeds peaking at 21mph and gusts of 31.1mph at 1 AM. High humidity with average of 87% is anticipated, the maximum being 93% at 2 PM and 78% being its lowest at 6 AM. Barometric pressure is its highest of 29.95inHg at 9 AM, a lowest point of 29.77inHg at 2 PM with an avg 29.91inHg.

    • HI: 57°F
    • LO: 52°F
    • Rainfall: 91% | est. 0.42in
    • Snowfall: 0%
    • Wind
      20.4 mph
    • Humidity
      87% avg.
    • UV Index
      0.6
    • Air Quality
      Good
    • Sunrise
      06:34 AM
    • Sunset
      06:27 PM
    • Moonrise
      06:59 PM
    • Moonset
      08:44 AM
    • Moon Phase
      Waning Gibbous
Chebeague Island, ME Weather Forecast - 9-29-26 - Overcast

Overcast

Tue 9-29-26

Overcast with a high of 61°F and a low of 56°F. Rainfall expected to have a 59% chance with an estimated 0.04in. Wind will be moderate, blowing around 12mph on average and gusts of 20.8mph at 12 AM. High humidity with average of 84% is anticipated, the maximum being 88% at 11 PM and 78% being its lowest at 11 AM. Barometric pressure is its highest of 30.08inHg at 11 PM, a lowest point of 29.88inHg at 12 AM with an avg 30inHg.

    • HI: 61°F
    • LO: 56°F
    • Rainfall: 59% | est. 0.04in
    • Snowfall: 0%
    • Wind
      11.4 mph
    • Humidity
      84% avg.
    • UV Index
      5
    • Air Quality
      TBA
    • Sunrise
      06:35 AM
    • Sunset
      06:25 PM
    • Moonrise
      07:26 PM
    • Moonset
      09:55 AM
    • Moon Phase
      Waning Gibbous

This 5-Day weather forecast is valid for ZIP code 04017, accurately covering the area of Chebeague Island, ME.