I-89 weather conditions near Grantham, New Hampshire
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Seasoned Weather Conditions
Current Weather Conditions
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7 day weather forecast
Current condition: Mostly Cloudy 59°F 2025-06-21T01:53:00-04:00 
Overnight 2025-06-21, Patchy Fog. Patchy fog. Otherwise, mostly clear, with a low around 52. West wind around 5 mph becoming calm.Saturday 2025-06-21, Patchy Fog then Sunny. Patchy fog before 7am. Otherwise, sunny, with a high near 82. West wind around 5 mph.
Saturday Night 2025-06-21, Mostly Cloudy then Chance T-storms. A slight chance of showers between midnight and 2am, then a chance of showers and thunderstorms after 2am. Increasing clouds, with a low around 66. Calm wind becoming south around 5 mph after midnight. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday 2025-06-22, Showers Likely then Chance Showers. Showers and thunderstorms likely before noon, then a chance of showers between noon and 2pm. Cloudy, then gradually becoming mostly sunny, with a high near 88. Southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.
Sunday Night 2025-06-22, Partly Cloudy. Partly cloudy, with a low around 71. Northwest wind around 5 mph becoming calm in the evening.
Monday 2025-06-23, Hot. Mostly sunny and hot, with a high near 95.
Monday Night 2025-06-23, Mostly Clear. Mostly clear, with a low around 72.- Tuesday 2025-06-24, Hot. Sunny and hot, with a high near 95.
- Tuesday Night 2025-06-24, Partly Cloudy. Partly cloudy, with a low around 69.
Wednesday 2025-06-25, Mostly Sunny. Mostly sunny, with a high near 83.Wednesday Night 2025-06-25, Mostly Cloudy then Chance Showers. A 30 percent chance of showers. Mostly cloudy, with a low around 61.
Thursday 2025-06-26, Chance Showers. A 40 percent chance of showers. Mostly cloudy, with a high near 75.
Thursday Night 2025-06-26, Chance Showers. A 50 percent chance of showers. Mostly cloudy, with a low around 59.
Friday 2025-06-27, Chance Showers. A 50 percent chance of showers. Mostly cloudy, with a high near 71.