| NWS Forecast for: Portsmouth NH Issued by: National Weather Service Gray/Portland, ME Last Update: 6:30 am EDT Jul 13, 2025 | |
| Today: Partly sunny, with a high near 75. Southeast wind 5 to 10 mph. Tonight: Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 65. Southeast wind around 5 mph. Monday: A 30 percent chance of showers and thunderstorms after 2pm. Areas of fog before 8am. Otherwise, partly sunny, with a high near 81. South wind around 5 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms. Monday Night: A 30 percent chance of showers and thunderstorms before 8pm. Mostly cloudy, with a low around 68. Calm wind. Tuesday: Mostly sunny, with a high near 88. Calm wind becoming south around 5 mph in the afternoon. Tuesday Night: Mostly clear, with a low around 68. Wednesday: Mostly sunny, with a high near 89. Wednesday Night: Partly cloudy, with a low around 71. Thursday: A 30 percent chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 89. Thursday Night: A 30 percent chance of showers and thunderstorms before 8pm. Mostly cloudy, with a low around 72. Friday: A 30 percent chance of showers. Partly sunny, with a high near 87. Friday Night: A 30 percent chance of showers. Partly cloudy, with a low around 66. Saturday: Mostly sunny, with a high near 83. | |
| Portsmouth NH 43.05°N 70.78°W (Elev. 49 ft) | |
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