I-91 weather conditions near Charlestown, New Hampshire

Roadnow AI Agent Live Update

7 day weather forecast

• Current condition: Fair 67°F 2025-08-12T23:54:00-04:00
• Overnight 2025-08-13, Patchy Dense Fog. Patchy dense fog after 4am. Otherwise, increasing clouds, with a low around 61. Calm wind.
• Wednesday 2025-08-13, Patchy Dense Fog then Slight Chance T-storms. A slight chance of showers between 3pm and 4pm, then a slight chance of showers and thunderstorms after 4pm. Patchy dense fog before 8am. Otherwise, mostly sunny and hot, with a high near 91. Heat index values as high as 95. Calm wind becoming south around 5 mph. Chance of precipitation is 20%.
• Wednesday Night 2025-08-13, Chance T-storms then Chance Showers. A chance of showers and thunderstorms. Mostly cloudy, with a low around 68. Calm wind. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
• Thursday 2025-08-14, Chance T-storms. A chance of showers, with thunderstorms also possible after 11am. Partly sunny, with a high near 85. Calm wind becoming northwest around 5 mph. Chance of precipitation is 50%.
• Thursday Night 2025-08-14, Chance Showers then Mostly Clear. A 30 percent chance of showers before 9pm. Mostly clear, with a low around 61. Calm wind.
• Friday 2025-08-15, Sunny. Sunny, with a high near 84.
• Friday Night 2025-08-15, Mostly Clear. Mostly clear, with a low around 58.
• Saturday 2025-08-16, Sunny. Sunny, with a high near 89.
• Saturday Night 2025-08-16, Mostly Clear. Mostly clear, with a low around 63.
• Sunday 2025-08-17, Mostly Sunny. Mostly sunny, with a high near 88.
• Sunday Night 2025-08-17, Partly Cloudy. Partly cloudy, with a low around 62.
• Monday 2025-08-18, Mostly Sunny. Mostly sunny, with a high near 81.
• Monday Night 2025-08-18, Partly Cloudy. Partly cloudy, with a low around 57.
• Tuesday 2025-08-19, Mostly Sunny. Mostly sunny, with a high near 78.