Nearby Harbors
44.0333’ N, 69.5367’ W

Newcastle, ME

63°
H 65°
L 41°
W
7mph
Low tide
1:19 pm

Newcastle, ME Weather Forecast and Current Conditions

Day Sky High / Low Precip Wind Humidity
Mon
Oct 5 		Partly Cloudy
Close Hourly 		65º / 41º 19% WNW 14 mph 53%
1pm Mostly Cloudy 63º 15% W 7 mph 64%
2pm Partly Cloudy 64º 19% WNW 7 mph 56%
3pm Partly Cloudy 64º 15% WNW 11 mph 49%
4pm Partly Cloudy 65º 15% WNW 14 mph 41%
5pm Partly Cloudy 62º 15% WNW 11 mph 42%
6pm Mostly Sunny 60º 15% WNW 11 mph 43%
7pm Clear 57º 0% WNW 12 mph 47%
8pm Clear 54º 0% WNW 11 mph 52%
9pm Clear 52º 0% WNW 9 mph 55%
10pm Clear 50º 0% WNW 8 mph 59%
11pm Clear 48º 1% WNW 7 mph 60%
Tue
Oct 6 		Sunny
View Hourly 		59º / 35º 1% WNW 15 mph 47%
12am Clear 47º 1% WNW 7 mph 62%
1am Clear 46º 1% W 7 mph 63%
2am Clear 45º 1% WNW 7 mph 63%
3am Clear 44º 1% W 8 mph 63%
4am Clear 44º 1% W 9 mph 63%
5am Clear 43º 1% W 9 mph 63%
6am Clear 42º 1% W 9 mph 63%
7am Sunny 42º 1% W 9 mph 64%
8am Sunny 47º 1% W 10 mph 57%
9am Sunny 49º 0% WNW 12 mph 53%
10am Sunny 51º 0% WNW 14 mph 51%
11am Sunny 53º 0% WNW 14 mph 46%
12pm Sunny 55º 0% WNW 15 mph 43%
1pm Sunny 57º 0% WNW 15 mph 40%
2pm Sunny 57º 0% WNW 14 mph 39%
3pm Sunny 57º 0% WNW 14 mph 40%
4pm Sunny 57º 0% WNW 13 mph 41%
5pm Sunny 55º 0% WNW 11 mph 43%
6pm Sunny 53º 0% WNW 9 mph 46%
7pm Clear 51º 0% WNW 7 mph 51%
8pm Clear 49º 0% WNW 6 mph 54%
9pm Clear 47º 0% WNW 5 mph 59%
10pm Clear 45º 1% WNW 4 mph 64%
11pm Clear 44º 2% W 3 mph 67%
Wed
Oct 7 		Partly Cloudy
View Hourly 		62º / 51º 5% SSW 11 mph 56%
12am Clear 42º 2% W 3 mph 70%
1am Clear 41º 3% W 2 mph 72%
2am Clear 40º 3% W 1 mph 74%
3am Clear 40º 3% W 1 mph 76%
4am Clear 38º 4% WSW 1 mph 81%
5am Clear 37º 4% WSW 1 mph 82%
6am Clear 36º 5% WSW 0 mph 84%
7am Sunny 36º 5% WSW 0 mph 87%
8am Sunny 43º 3% WSW 0 mph 76%
9am Sunny 49º 1% SW 2 mph 65%
10am Mostly Sunny 53º 0% SSW 5 mph 57%
11am Partly Cloudy 56º 0% SSW 8 mph 49%
12pm Mostly Cloudy 58º 0% SSW 9 mph 46%
Thu
Oct 8 		Mostly Sunny 71º / 47º 13% SW 9 mph 64%
Fri
Oct 9 		Mostly Sunny 67º / 42º 9% W 9 mph 53%
Sat
Oct 10 		Mostly Sunny 60º / 39º 9% NW 11 mph 57%
Sun
Oct 11 		Mostly Sunny 63º / 50º 5% SSW 10 mph 62%
Mon
Oct 12 		Partly Cloudy 67º / 46º 19% SSW 8 mph 67%

Weather Radar for Newcastle, ME See Radar

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* Playback displays weather for the past 6 hours.

NOAA Weather Marine Forecast for Newcastle, ME

This Afternoon
High : 67ºF
WNW wind 10 to 15 kt, with gusts as high as 25 kt. A chance of showers before 1pm, then a chance of showers after 3pm. Seas 1 ft or less.
Tonight
Low : 39ºF
W wind around 10 kt, with gusts as high as 25 kt. Clear. Seas 1 ft or less.
Tuesday
High : 58ºF
WNW wind 10 to 15 kt, with gusts as high as 25 kt. Sunny. Seas 1 ft or less.
Tuesday Night
Low : 37ºF
Variable winds 5 kt or less. Mostly clear. Seas 1 ft or less.
Wednesday
High : 61ºF
Variable winds less than 5 kt becoming SSW 5 to 10 kt in the morning. Winds could gust as high as 20 kt. Sunny. Seas 1 ft or less.
Wednesday Night
Low : 49ºF
SSW wind 5 to 10 kt. Partly cloudy. Seas 1 ft or less.
Thursday
High : 70ºF
SW wind around 10 kt. Sunny. Seas 1 ft or less.
Thursday Night
Low : 44ºF
Variable winds 5 kt or less. Mostly clear. Seas 1 ft or less.
Friday
High : 66ºF
W wind 5 to 8 kt increasing to 7 to 10 kt in the afternoon. Sunny. Seas 1 ft or less.

NOAA Buoy Data Near Newcastle, ME See Map

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    Featured Local Businesses

    Maine Dept. of Inland Fisheries & Wildlife
    Farrin's Boatshop

    Farrin's Boatshop
    Gamage Shipyard

    Gamage Shipyard

    USCG Station Boothbay Harbor, ME
    Yarmouth Boat Yard is an authorized Pursuit Boats dealer

    Yarmouth Boat Yard
    Freedom Boat Club at Yarmouth Boat Yard, Maine

    Freedom Boat Club of Maine

    Port Clyde General Store

    Wind Speed Forecast for Newcastle, ME

    MondayTuesdayWednesday
    Wind Speed (MPH) 7119791215115212
    5pm9pm1am5am9am1pm5pm9pm1am5am9am1pm
    MPH 7119791215115212
    DIR WWNWWNWWWWNWWNWWNWWNWWWSWSW

    Current Weather Conditions In Newcastle, ME

    As Of: 17 minutes ago

    • 63ºF
    • 63ºF
    • 7mph
    • 0º (W)
    • 7mph
    • Mostly Cloudy
    • 10mi
    • 29.73"
    • 64%
    • 0ºF

    The weather right now in Newcastle, ME is Mostly Cloudy. The current temperature is 63°F, and the expected high and low for today, Monday, October 5, 2026, are 65° high temperature and 41°F low temperature. The wind is currently blowing at 7 miles per hour, and coming from the West. The wind is gusting to 7 mph. With the wind and the atmosphere the temperature feels like 63° Fahrenheit. Expected precipitation is 15 percent, with current humidity at 64 percent, and air pressure at 29.73 in. Visibility is 10 nautical miles. There are 1 current weather alert(s).

    Weather Alerts
    Small Craft Advisory - 2:45am Mon Oct 5 2026

    ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 2 PM THIS AFTERNOON TO 5 PM EDT TUESDAY...

    WHAT: West winds 15 to 20 kt with gusts up to 30 kt and seas
    2 to 5 ft expected.

    WHERE: Coastal Waters from Stonington, ME to Port Clyde, ME
    out 25 NM, Penobscot Bay, Coastal Waters from Port Clyde, ME
    to Cape Elizabeth, ME out 25 NM, Casco Bay and Coastal Waters
    from Cape Elizabeth, ME to Merrimack River, MA out 25 NM.

    WHEN: From 2 PM this afternoon to 5 PM EDT Tuesday.

    IMPACTS: Conditions will be hazardous to small craft.

    PRECAUTIONARY / PREPAREDNESS ACTIONS:

    Inexperienced mariners, especially those operating smaller
    vessels, should avoid navigating in hazardous conditions.

    &&

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