I-89 weather conditions near Grantham, New Hampshire
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Current Weather Conditions
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7 day weather forecast
Current condition: Overcast 59°F 2025-06-28T05:53:00-04:00 Today 2025-06-28, Chance Showers then Mostly Cloudy. A 30 percent chance of showers before 7am. Mostly cloudy, with a high near 76. South wind 5 to 10 mph. New precipitation amounts between a tenth and quarter of an inch possible.
Tonight 2025-06-28, Chance T-storms and Patchy Fog then Patchy Fog. A 40 percent chance of showers and thunderstorms, mainly before 9pm. Patchy fog before midnight, then patchy fog after 2am. Otherwise, mostly cloudy, with a low around 63. South wind around 5 mph becoming west after midnight. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday 2025-06-29, Mostly Sunny. Mostly sunny, with a high near 79. Northwest wind 5 to 10 mph.Sunday Night 2025-06-29, Mostly Clear then Patchy Fog. Patchy fog after 1am. Otherwise, mostly clear, with a low around 58. Northwest wind around 5 mph becoming calm in the evening.
Monday 2025-06-30, Sunny. Sunny, with a high near 88. Calm wind becoming southwest around 5 mph in the afternoon.Monday Night 2025-06-30, Partly Cloudy then Scattered Showers. Scattered showers after 2am. Partly cloudy, with a low around 67. Chance of precipitation is 40%.
Tuesday 2025-07-01, Showers Likely. Scattered showers and thunderstorms, then showers likely and possibly a thunderstorm after 8am. Mostly cloudy, with a high near 83. Chance of precipitation is 70%.Tuesday Night 2025-07-01, Scattered T-storms then Partly Cloudy. Scattered thunderstorms before 8pm. Partly cloudy, with a low around 62. Chance of precipitation is 30%.
- Wednesday 2025-07-02, Sunny. Sunny, with a high near 82.
Wednesday Night 2025-07-02, Mostly Clear. Mostly clear, with a low around 61.- Thursday 2025-07-03, Mostly Sunny. Mostly sunny, with a high near 81.
Thursday Night 2025-07-03, Partly Cloudy. Partly cloudy, with a low around 58.- Independence Day 2025-07-04, Mostly Sunny. Mostly sunny, with a high near 76.