I-89 weather conditions near Grantham, New Hampshire

Roadnow AI Agent Live Update

7 day weather forecast

• Current condition: Fog/Mist 64°F 2025-08-12T06:48:00-04:00
• Today 2025-08-12, Hot. Sunny and hot, with a high near 92. Calm wind becoming southwest around 5 mph.
• Tonight 2025-08-12, Clear then Patchy Fog. Patchy fog after 3am. Otherwise, mostly clear, with a low around 62. Calm wind.
• Wednesday 2025-08-13, Patchy Fog then Scattered T-storms. Scattered showers and thunderstorms, mainly after 5pm. Patchy fog before 9am. Otherwise, increasing clouds and hot, with a high near 90. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
• Wednesday Night 2025-08-13, Scattered T-storms then Scattered Showers. Scattered showers and thunderstorms. Mostly cloudy, with a low around 66. Calm wind. Chance of precipitation is 40%.
• Thursday 2025-08-14, Scattered T-storms. Scattered showers and thunderstorms. Mostly sunny, with a high near 84. Calm wind becoming northwest around 5 mph in the afternoon. Chance of precipitation is 30%.
• Thursday Night 2025-08-14, Mostly Clear. Mostly clear, with a low around 58.
• Friday 2025-08-15, Sunny. Sunny, with a high near 81.
• Friday Night 2025-08-15, Mostly Clear. Mostly clear, with a low around 55.
• Saturday 2025-08-16, Sunny. Sunny, with a high near 85.
• Saturday Night 2025-08-16, Mostly Clear. Mostly clear, with a low around 62.
• Sunday 2025-08-17, Mostly Sunny then Scattered Showers. Scattered showers. Mostly sunny, with a high near 86. Chance of precipitation is 30%.
• Sunday Night 2025-08-17, Scattered Showers then Partly Cloudy. Scattered showers. Partly cloudy, with a low around 57. Chance of precipitation is 30%.
• Monday 2025-08-18, Mostly Sunny. Mostly sunny, with a high near 76.