| NWS Forecast for: Winchester NH Issued by: National Weather Service Gray/Portland, ME Last Update: 1:48 pm EDT Jul 15, 2025 | |
Tonight: Widespread haze before 8pm. Patchy fog after 1am. Otherwise, mostly clear, with a low around 68. Calm wind. Wednesday: Widespread haze between 9am and 2pm. Patchy fog before 9am. Otherwise, sunny and hot, with a high near 93. Heat index values as high as 97. Calm wind becoming southwest around 5 mph in the afternoon. Wednesday Night: Isolated showers and thunderstorms before 2am, then scattered showers between 2am and 5am, then scattered showers and thunderstorms after 5am. Patchy fog after 3am. Otherwise, increasing clouds, with a low around 73. Calm wind. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms. Thursday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after noon. Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 89. Heat index values as high as 95. Calm wind becoming southwest around 5 mph. Chance of precipitation is 60%. Thursday Night: A 40 percent chance of showers before 9pm. Partly cloudy, with a low around 71. West wind around 5 mph. Friday: Mostly sunny, with a high near 83. Friday Night: Mostly clear, with a low around 58. Saturday: Mostly sunny, with a high near 84. Saturday Night: A 30 percent chance of showers after 2am. Mostly cloudy, with a low around 62. Sunday: A 40 percent chance of showers. Partly sunny, with a high near 83. Sunday Night: A 30 percent chance of showers. Partly cloudy, with a low around 63. Monday: Mostly sunny, with a high near 83. Monday Night: Partly cloudy, with a low around 59. Tuesday: Mostly sunny, with a high near 83. | |
| Winchester NH 42.77°N 72.38°W (Elev. 495 ft) | |
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