Portsmouth, Melville, RI Weather Forecast and Current Conditions

Day Sky High / Low Precip Wind Humidity
Fri
Jul 17
Partly Cloudy
Close Hourly
-º / 63º 7% SW 4 mph 82%
10pm Partly Cloudy 69º 2% SW 1 mph 71%
11pm Partly Cloudy 67º 2% SW 1 mph 75%
Sat
Jul 18
PM Thunderstorms
View Hourly
78º / 70º 74% SSW 15 mph 80%
12am Partly Cloudy 66º 2% SW 1 mph 78%
1am Mostly Cloudy 66º 2% SW 2 mph 82%
2am Mostly Cloudy 65º 2% SW 2 mph 87%
3am Partly Cloudy 65º 2% SSW 3 mph 86%
4am Partly Cloudy 64º 4% SSW 3 mph 91%
5am Partly Cloudy 64º 7% SW 3 mph 95%
6am Partly Cloudy 66º 7% SSW 3 mph 94%
7am Partly Cloudy 70º 6% SSW 5 mph 86%
8am Partly Cloudy 73º 6% SSW 8 mph 78%
9am Partly Cloudy 75º 5% SSW 9 mph 73%
10am Mostly Cloudy 77º 4% SSW 11 mph 69%
11am Mostly Cloudy 77º 5% SSW 13 mph 71%
12pm Mostly Cloudy 77º 7% SSW 14 mph 73%
1pm Cloudy 76º 20% SSW 15 mph 77%
2pm Showers 74º 58% SSW 15 mph 82%
3pm Thunderstorms 73º 74% SSW 15 mph 85%
4pm Showers 72º 51% SSW 14 mph 88%
5pm Isolated Thunderstorms 71º 34% SSW 15 mph 89%
6pm Cloudy 73º 24% SSW 15 mph 88%
7pm Scattered Thunderstorms 73º 55% SSW 15 mph 89%
8pm Scattered Thunderstorms 72º 47% SSW 14 mph 93%
9pm Scattered Thunderstorms 72º 49% SSW 14 mph 93%
10pm Scattered Thunderstorms 73º 56% SSW 13 mph 94%
11pm Thunderstorms 72º 66% SW 11 mph 95%
Sun
Jul 19
Partly Cloudy
View Hourly
81º / 58º 7% NW 12 mph 56%
12am Showers 72º 50% SW 11 mph 96%
1am Scattered Thunderstorms 72º 47% SW 10 mph 95%
2am Cloudy 72º 21% SW 9 mph 97%
3am Cloudy 72º 22% WSW 8 mph 98%
4am Cloudy 71º 22% WSW 7 mph 97%
5am Cloudy 71º 20% W 7 mph 95%
6am Mostly Cloudy 71º 20% W 7 mph 93%
7am Mostly Cloudy 72º 7% WNW 8 mph 89%
8am Mostly Cloudy 73º 3% NW 11 mph 78%
9am Partly Cloudy 74º 1% NW 11 mph 68%
10am Sunny 76º 1% NW 11 mph 60%
11am Sunny 77º 1% NW 11 mph 54%
12pm Sunny 78º 0% NW 11 mph 48%
1pm Sunny 79º 0% NW 11 mph 46%
2pm Sunny 80º 0% NW 10 mph 45%
3pm Sunny 80º 0% NW 11 mph 44%
4pm Sunny 80º 0% NW 10 mph 44%
5pm Sunny 80º 0% NW 10 mph 46%
6pm Sunny 79º 0% NW 8 mph 45%
7pm Sunny 77º 0% NW 8 mph 49%
8pm Sunny 74º 0% NW 6 mph 54%
9pm Clear 71º 1% NW 4 mph 61%
Mon
Jul 20
Mostly Sunny 79º / 64º 1% WSW 9 mph 52%
Tue
Jul 21
PM Showers 76º / 70º 49% SSE 13 mph 76%
Wed
Jul 22
Thunderstorms 79º / 65º 77% SW 15 mph 80%
Thu
Jul 23
Partly Cloudy 78º / 64º 24% W 9 mph 63%
Fri
Jul 24
Mostly Sunny 79º / 65º 17% SE 8 mph 64%

Weather Radar for Portsmouth, Melville, RI See Radar

* Playback displays weather for the past 6 hours.

NOAA Weather Marine Forecast for Portsmouth, Melville, RI

Tonight
Low : 67ºF
SW wind around 6 kt becoming variable and less than 5 kt in the evening. Patchy smoke after 8pm. Seas around 1 ft.
Saturday
High : 80ºF
SSW wind 6 to 9 kt increasing to 12 to 15 kt in the afternoon. Winds could gust as high as 24 kt. A chance of showers, then showers and possibly a thunderstorm after 3pm. Some of the storms could produce heavy rainfall. Patchy smoke. Seas 1 ft building to 3 ft.
Saturday Night
Low : 70ºF
SSW wind 10 to 15 kt, with gusts as high as 25 kt. Showers and thunderstorms before 2am, then a chance of showers. Some of the storms could produce heavy rainfall. Seas 2 to 3 ft.
Sunday
High : 81ºF
NW wind around 11 kt. Partly sunny, then gradually becoming sunny. Seas around 2 ft.
Sunday Night
Low : 61ºF
WNW wind around 6 kt becoming variable and less than 5 kt after midnight. Mostly clear. Seas around 1 ft.
Monday
High : 79ºF
Variable winds less than 5 kt becoming SSW 5 to 10 kt in the afternoon. Sunny. Seas around 1 ft.
Monday Night
Low : 64ºF
SSW wind 5 to 7 kt becoming variable and less than 5 kt after midnight. Partly cloudy. Seas around 1 ft.
Tuesday
High : 79ºF
S wind 7 to 12 kt. A chance of showers and thunderstorms after 2pm. Seas 1 to 2 ft.
Tuesday Night
Low : 68ºF
SSW wind 11 to 15 kt. A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 9pm. Seas around 2 ft.

NOAA Buoy Data Near Portsmouth, Melville, RI See Map

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    Wind Speed Forecast for Portsmouth, Melville, RI

    SaturdaySunday
    Wind Speed (MPH) 123111515139711108
    2am6am10am2pm6pm10pm2am6am10am2pm6pm10pm
    MPH 123111515139711108
    DIR SWSWSSWSSWSSWSSWSSWSWWNWNWNW

    Current Weather Conditions In Portsmouth, Melville, RI

    As Of: 39 minutes ago

    • 69ºF
    • 69ºF
    • 1mph
    • 0º (SW)
    • 1mph
    • Partly Cloudy
    • 9mi
    • 30.02"
    • 71%
    • 0ºF

    The weather right now in Portsmouth, Melville, RI is Partly Cloudy. The current temperature is 69°F, and the expected high and low for today, Friday, July 17, 2026, are -° high temperature and 63°F low temperature. The wind is currently blowing at 1 miles per hour, and coming from the Southwest. The wind is gusting to 1 mph. With the wind and the atmosphere the temperature feels like 69° Fahrenheit. Expected precipitation is 2 percent, with current humidity at 71 percent, and air pressure at 30.02 in. Visibility is 9 nautical miles. There are 2 current weather alert(s).

    Weather Alerts
    Air Quality Alert - 6:08pm Fri Jul 17 2026

    ...AIR QUALITY ALERT IN EFFECT FROM MIDNIGHT TONIGHT TO 11 PM EDT SATURDAY...

    The Rhode Island Department of Environmental Management has issued
    an Air Quality Alert Day for Fine Particulates, from midnight
    tonight to 11 PM EDT Saturday.

    An Air Quality Alert day means that Fine Particulates concentrations
    within the region may approach or exceed unhealthy standards. For
    additional information, please visit the Rhode Island Department of
    Environmental Management website at:

    https://dem.ri.gov/

    Small Craft Advisory - 12:38pm Fri Jul 17 2026

    ...SMALL CRAFT ADVISORY IN EFFECT FROM 11 AM SATURDAY TO NOON EDT SUNDAY...

    WHAT: Southwest winds 10 to 20 kt with gusts up to 30 kt and
    waves 2 to 4 feet expected.

    WHERE: In Massachusetts coastal waters, Boston Harbor. In
    Rhode Island coastal waters, Narragansett Bay.

    WHEN: From 11 AM Saturday to noon EDT Sunday.

    IMPACTS: Conditions will be hazardous to small craft.

    PRECAUTIONARY / PREPAREDNESS ACTIONS:

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

    &&