Newcastle, ME Weather Forecast and Current Conditions

Day Sky High / Low Precip Wind Humidity
Mon
Jun 22
Rain
Close Hourly
-º / 56º 100% SE 8 mph 91%
4pm Partly Cloudy 66º 6% SSE 5 mph 77%
5pm Partly Cloudy 65º 23% SSE 5 mph 78%
6pm Showers 63º 40% S 5 mph 81%
7pm Cloudy 63º 24% S 4 mph 81%
8pm Few Showers 63º 39% SSW 4 mph 84%
9pm Showers 62º 65% S 2 mph 88%
10pm Rain 60º 87% SSE 2 mph 93%
11pm Rain 59º 99% SE 2 mph 95%
Tue
Jun 23
Rain
View Hourly
72º / 57º 70% NNE 7 mph 82%
12am Rain 58º 99% ESE 3 mph 98%
1am Rain 58º 100% ESE 4 mph 99%
2am Rain 58º 100% ESE 5 mph 99%
3am Rain 57º 99% E 5 mph 99%
4am Rain 58º 90% E 7 mph 97%
5am Rain 58º 83% E 8 mph 97%
6am Rain 57º 65% E 7 mph 100%
7am Rain 59º 71% E 6 mph 95%
8am Rain 61º 70% E 5 mph 93%
9am Rain 62º 69% ENE 4 mph 90%
10am Showers 63º 55% NE 5 mph 89%
11am Showers 64º 53% N 5 mph 87%
12pm Few Showers 65º 34% N 5 mph 84%
1pm Few Showers 67º 33% N 7 mph 80%
2pm Few Showers 68º 31% N 7 mph 77%
3pm Cloudy 69º 24% N 7 mph 73%
4pm Cloudy 70º 9% N 6 mph 72%
5pm Cloudy 71º 7% N 6 mph 70%
6pm Cloudy 71º 7% N 4 mph 70%
7pm Cloudy 69º 8% N 2 mph 75%
8pm Cloudy 67º 9% NNW 1 mph 79%
9pm Mostly Cloudy 65º 9% NNW 0 mph 85%
10pm Cloudy 64º 10% NNW 0 mph 90%
11pm Mostly Cloudy 63º 8% NW 1 mph 92%
Wed
Jun 24
Partly Cloudy
View Hourly
81º / 57º 6% NW 9 mph 54%
12am Cloudy 61º 8% NW 1 mph 94%
1am Cloudy 61º 21% NNW 1 mph 93%
2am Foggy 61º 21% NNW 2 mph 92%
3am Foggy 60º 21% NW 2 mph 93%
4am Foggy 59º 21% NNW 2 mph 92%
5am Partly Cloudy 58º 9% NW 3 mph 91%
6am Partly Cloudy 60º 8% NW 3 mph 90%
7am Sunny 64º 6% NW 4 mph 84%
8am Partly Cloudy 67º 5% NNW 5 mph 75%
9am Sunny 71º 4% NW 6 mph 65%
10am Sunny 74º 2% NW 8 mph 58%
11am Mostly Sunny 76º 2% NW 9 mph 52%
12pm Partly Cloudy 77º 1% NW 8 mph 49%
1pm Partly Cloudy 79º 1% WNW 9 mph 45%
2pm Partly Cloudy 79º 1% WNW 9 mph 44%
3pm Mostly Sunny 79º 1% NW 9 mph 44%
Thu
Jun 25
Partly Cloudy 76º / 57º 24% SSE 7 mph 63%
Fri
Jun 26
Showers 73º / 59º 63% S 8 mph 75%
Sat
Jun 27
Mostly Cloudy 75º / 58º 24% SE 5 mph 72%
Sun
Jun 28
Isolated Thunderstorms 75º / 57º 34% SE 5 mph 71%
Mon
Jun 29
Mostly Sunny 75º / 59º 24% SSE 6 mph 67%

Weather Radar for Newcastle, ME See Radar

* Playback displays weather for the past 6 hours.

NOAA Weather Marine Forecast for Newcastle, ME

This Afternoon
High : 73ºF
Variable winds 5 kt or less. Mostly cloudy. Seas 1 ft or less.
Tonight
Low : 54ºF
Variable winds 5 kt or less. Rain, with thunderstorms also possible after 2am. Seas 1 ft or less.
Tuesday
High : 74ºF
Variable winds 5 kt or less. Showers and possibly a thunderstorm before noon, then a chance of showers. Seas 1 ft or less.
Tuesday Night
Low : 56ºF
Variable winds 5 kt or less. Patchy fog between 9pm and 1am. Seas 1 ft or less.
Wednesday
High : 82ºF
NW wind 5 to 10 kt. Mostly sunny. Seas 1 ft or less.
Wednesday Night
Low : 57ºF
Variable winds 5 kt or less. Mostly clear. Seas 1 ft or less.
Thursday
High : 84ºF
Variable winds 5 kt or less. Mostly sunny. Seas 1 ft or less.
Thursday Night
Low : 57ºF
Variable winds 5 kt or less. A chance of showers. Seas 1 ft or less.
Friday
High : 76ºF
S wind 5 to 10 kt. Showers likely. Seas 1 ft or less.

NOAA Buoy Data Near Newcastle, ME See Map

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    Wind Speed Forecast for Newcastle, ME

    MondayTuesdayWednesday
    Wind Speed (MPH) 543755611258
    8pm12am4am8am12pm4pm8pm12am4am8am12pm4pm
    MPH 543755611258
    DIR SSESSWESEEENNNNWNWNNWNNWNW

    Current Weather Conditions In Newcastle, ME

    As Of: 15 minutes ago

    • 66ºF
    • 66ºF
    • 5mph
    • 0º (SSE)
    • 5mph
    • Partly Cloudy
    • 10mi
    • 30.06"
    • 77%
    • 0ºF

    The weather right now in Newcastle, ME is Partly Cloudy. The current temperature is 66°F, and the expected high and low for today, Monday, June 22, 2026, are -° high temperature and 56°F low temperature. The wind is currently blowing at 5 miles per hour, and coming from the South Southeast. The wind is gusting to 5 mph. With the wind and the atmosphere the temperature feels like 66° Fahrenheit. Expected precipitation is 6 percent, with current humidity at 77 percent, and air pressure at 30.06 in. Visibility is 10 nautical miles. There are no current weather alert(s).