| NWS Forecast for: Portsmouth RI Issued by: National Weather Service Norton, MA Last Update: 12:32 am EDT Jul 15, 2025 |  |
Overnight: A chance of showers and thunderstorms, mainly after 1am. Patchy fog after 3am. Otherwise, cloudy, with a low around 71. Southwest wind around 7 mph. Chance of precipitation is 40%. Tuesday: A slight chance of showers and thunderstorms before 10am. Patchy fog before 9am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 84. Southwest wind 6 to 10 mph. Chance of precipitation is 20%. Tuesday Night: Patchy fog after 3am. Otherwise, increasing clouds, with a low around 71. Southwest wind 6 to 9 mph. Wednesday: Patchy fog before 10am. Otherwise, mostly sunny, with a high near 85. South wind 5 to 11 mph. Wednesday Night: A chance of showers and thunderstorms, mainly after 3am. Mostly cloudy, with a low around 73. Southwest wind around 10 mph. Chance of precipitation is 30%. Thursday: A chance of showers and thunderstorms, mainly before 4pm. Partly sunny, with a high near 85. Southwest wind 9 to 14 mph. Chance of precipitation is 30%. Thursday Night: Partly cloudy, with a low around 74. Southwest wind 9 to 11 mph. Friday: Mostly sunny, with a high near 89. West wind 7 to 10 mph. Friday Night: Mostly cloudy, with a low around 67. North wind around 6 mph. Saturday: Sunny, with a high near 82. North wind around 7 mph becoming southeast in the afternoon. Saturday Night: Mostly cloudy, with a low around 67. Southwest wind around 6 mph. Sunday: A chance of showers. Partly sunny, with a high near 81. South wind 6 to 10 mph. Chance of precipitation is 30%. Sunday Night: A chance of showers. Mostly cloudy, with a low around 68. South wind around 9 mph. Chance of precipitation is 40%. Monday: A chance of showers. Mostly sunny, with a high near 82. West wind around 9 mph becoming southwest in the afternoon. Chance of precipitation is 30%. | |
| Portsmouth RI 41.59°N 71.26°W (Elev. 203 ft) | |
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