| NWS Forecast for: Portsmouth NH Issued by: National Weather Service Gray/Portland, ME Last Update: 5:48 pm EDT Jul 3, 2025 | |
Tonight: Scattered showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 9pm. Some of the storms could be severe. Partly cloudy, with a low around 61. West wind around 5 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms. Independence Day: Sunny, with a high near 80. Northwest wind 5 to 10 mph. Friday Night: Mostly clear, with a low around 58. Northwest wind around 5 mph becoming calm. Saturday: Partly sunny, with a high near 83. Calm wind becoming south around 5 mph in the afternoon. Saturday Night: Mostly cloudy, with a low around 65. Southwest wind around 5 mph. Sunday: Mostly sunny and hot, with a high near 91. Sunday Night: Mostly clear, with a low around 69. Monday: Sunny and hot, with a high near 90. Monday Night: A 30 percent chance of showers after 2am. Mostly cloudy, with a low around 69. Tuesday: A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 83. Chance of precipitation is 60%. Tuesday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 66. Chance of precipitation is 60%. Wednesday: A 30 percent chance of showers. Mostly cloudy, with a high near 79. Wednesday Night: A 30 percent chance of showers. Mostly cloudy, with a low around 63. Thursday: A 30 percent chance of showers. Mostly sunny, with a high near 78. | |
| Portsmouth NH 43.07°N 70.78°W (Elev. 33 ft) | |
Visit your local NWS office at: https://www.weather.gov/gyx/ |