National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Quonset State Airport (KOQU)

Lat: 41.6°NLon: 71.42°WElev: 20ft.

64°F

18°C

Humidity 94%
Wind Speed S 13 mph
Barometer 29.84 in
Dewpoint 63°F (17°C)
Visibility NA
Last update 13 Oct 11:55 pm EDT
Extended Forecast for

Portsmouth RI

  • Overnight

    Overnight: A slight chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 63. Southwest wind around 15 mph. Chance of precipitation is 20%.

    Low: 63 °F

    Slight Chance
    T-storms

  • Wednesday

    Wednesday: Mostly sunny, with a high near 76. West wind around 10 mph.

    High: 76 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 53. Northwest wind around 10 mph.

    Low: 53 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 62. North wind 5 to 11 mph.

    High: 62 °F

    Sunny

  • Thursday Night

    Thursday Night: A chance of showers, mainly after 3am. Partly cloudy, with a low around 52. Southeast wind 6 to 8 mph. Chance of precipitation is 30%.

    Low: 52 °F

    Partly Cloudy
    then Chance
    Showers

  • Friday

    Friday: Showers, with thunderstorms also possible after 5pm. High near 66. Southeast wind 13 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 100%.

    High: 66 °F

    Showers

  • Friday Night

    Friday Night: Showers likely, mainly before midnight. Mostly cloudy, with a low around 42. Breezy, with a west wind around 21 mph. Chance of precipitation is 60%.

    Low: 42 °F

    Showers
    Likely and
    Breezy

  • Saturday

    Saturday: Mostly sunny, with a high near 50. Breezy, with a northwest wind around 23 mph.

    High: 50 °F

    Mostly Sunny
    and Breezy

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 35. West wind 10 to 15 mph.

    Low: 35 °F

    Mostly Clear

Detailed Forecast

Overnight
A slight chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 63. Southwest wind around 15 mph. Chance of precipitation is 20%.
Wednesday
Mostly sunny, with a high near 76. West wind around 10 mph.
Wednesday Night
Mostly clear, with a low around 53. Northwest wind around 10 mph.
Thursday
Sunny, with a high near 62. North wind 5 to 11 mph.
Thursday Night
A chance of showers, mainly after 3am. Partly cloudy, with a low around 52. Southeast wind 6 to 8 mph. Chance of precipitation is 30%.
Friday
Showers, with thunderstorms also possible after 5pm. High near 66. Southeast wind 13 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 100%.
Friday Night
Showers likely, mainly before midnight. Mostly cloudy, with a low around 42. Breezy, with a west wind around 21 mph. Chance of precipitation is 60%.
Saturday
Mostly sunny, with a high near 50. Breezy, with a northwest wind around 23 mph.
Saturday Night
Mostly clear, with a low around 35. West wind 10 to 15 mph.
Sunday
Sunny, with a high near 54. West wind 10 to 13 mph.
Sunday Night
Mostly clear, with a low around 43. West wind around 7 mph.
Monday
Mostly sunny, with a high near 60. Southwest wind 8 to 16 mph.
Monday Night
Partly cloudy, with a low around 50. Southwest wind 8 to 11 mph.
Tuesday
Mostly sunny, with a high near 63. West wind 7 to 9 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Portsmouth RI
 41.59°N 71.26°W (Elev. 203 ft)
Last Update:
11:55 pm EDT Oct 13, 2026
Forecast Valid:
12am EDT Oct 14, 2026-6pm EDT Oct 20, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation