| NWS Forecast for: New Castle NH Issued by: National Weather Service Gray/Portland, ME Last Update: 10:37 pm EDT Jun 22, 2025 | |
Overnight: Mostly clear, with a low around 66. Northwest wind around 5 mph. Monday: Mostly sunny, with a high near 81. Calm wind becoming southeast around 5 mph in the afternoon. Monday Night: Mostly clear, with a low around 66. South wind around 5 mph becoming southwest after midnight. Tuesday: Sunny and hot, with a high near 93. Heat index values as high as 101. West wind around 5 mph. Tuesday Night: Mostly clear, with a low around 71. West wind around 5 mph. Wednesday: Mostly sunny, with a high near 85. Wednesday Night: A 40 percent chance of showers after 2am. Mostly cloudy, with a low around 62. Thursday: A 30 percent chance of showers. Mostly cloudy, with a high near 71. Thursday Night: A 30 percent chance of showers after 2am. Mostly cloudy, with a low around 58. Friday: A 30 percent chance of showers. Mostly cloudy, with a high near 69. Friday Night: A 50 percent chance of showers. Mostly cloudy, with a low around 58. Saturday: A 50 percent chance of showers. Mostly cloudy, with a high near 73. Saturday Night: A 30 percent chance of showers. Mostly cloudy, with a low around 60. Sunday: Partly sunny, with a high near 75. | |
| New Castle NH 43.07°N 70.75°W (Elev. 3 ft) | |
Visit your local NWS office at: https://www.weather.gov/gyx/ |