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Great Diamond Island, ME Weather Conditions

Updated: Mon Aug 17th 2026 7:45 AM EDT

Patchy Rain Nearby

68^°F 20^°C

Feels Like 69^°F / 21^°C

Great Diamond Island, ME weather condition is Patchy Rain Nearby and 68°F.

Today's Weather in Great Diamond Island,ME

The current weather in Great Diamond Island ME as of 7:45 AM EDT on Mon Aug 17th 2026, has a sky condition of Patchy Rain Nearby with the visibility of 6 mile(s). It is 68 degrees fahrenheit but feels like 69 degrees. The barometric pressure is 30.29 - measured by inches of mercury - and is rising since its last observation. The humidity is 87 percent that's rising since the last report, with a dew point of 64 degrees fahrenheit which is rising. Wind direction is from the Northwest at 6.7 miles per hour, gusting at 6.8 miles per hour. Sunrise was at 5:47 AM and Sunset is at 7:42 PM. The moon phase is a Waxing Crescent moon rising at 11:34 AM. Thank you for listening to the weather report from LocalConditions.com!

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Sun & Moon

Sun

Sunrise: 5:47 AM

Sunset: 7:42 PM

As of:

Moon

Moonrise: 11:34 AM

Moonset: 9:44 PM

Phase: Waxing Crescent Moon

Radar Alerts Next 48 Hours Traffic

Hourly Forecast - Next 8 hours

Next 5 Days...

Overcast

Overcast with a high of 73°F and a low of 37°F. Probable rainfall forecasted, having a 78% chance with an estimated 0.3in. Winds will be moderate, blowing around 12mph. The humidity will be on the higher side, reaching around 74%.

Temperature	Humidity	Rainfall	Snow	Wind
Hi 73° \| Lo 37°	74%	78% \| est. 0.3in	0%	11.6 mph

Overcast

Overcast with a high of 44°F and a low of 34°F. 11%% possible chance of rain predicted with an estimated 0in. Winds will be moderate, blowing around 12mph. Humidity levels are comfortable, sitting around 52%.

Temperature	Humidity	Rainfall	Snow	Wind
Hi 44° \| Lo 34°	52%	11% \| est. 0in	0%	11.2 mph

Overcast

Overcast with a high of 51°F and a low of 39°F. 12%% possible chance of rain predicted. Winds will be moderate, blowing around 17mph. Humidity levels are comfortable, sitting around 50%.

Temperature	Humidity	Rainfall	Snow	Wind
Hi 51° \| Lo 39°	50%	12%	0%	17 mph

Overcast

Overcast with a high of 45°F and a low of 28°F. Probable rainfall forecasted, having a 78% chance with an estimated 0.13in. Possible light Snowfall with a 17% chance but not having significate accumulation. Winds will be moderate, blowing around 15mph. The humidity will be on the higher side, reaching around 79%.

Temperature	Humidity	Rainfall	Snow	Wind
Hi 45° \| Lo 28°	79%	78% \| est. 0.13in	17%	14.5 mph

Sunny

Sunny with a high of 40°F and a low of 23°F. 11%% possible chance of rain predicted. Snow is likely with a 20% chance. Winds will be light at 9mph at times. The humidity will be on the higher side, reaching around 80%.

Temperature	Humidity	Rainfall	Snow	Wind
Hi 40° \| Lo 23°	80%	11%	20%	8.1 mph

Yesterday 5-Day Wind

Weather Radar Map

Hourly Temperature

The current temperature today is 68^°F. The morning temperature of 66°^F is lowest at 9am with the daytime high of 73°^F at 2pm and a low around 37°^F at 10pm is expected.

Barometric Pressure Today

The highest pressure today is 30.29^inHg at 7am and lowest being 30.14^inHg at 4pm.

Hourly Wind Speeds

The fastest wind is reported to be 11.6^mph at 12pm, while the slowest is 2.9^mph around 12am; expect wind gusts peaking 19.2^mph at 9pm. View live wind conditions in Great Diamond Island

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