Forecast Details for Grafton, NH

Recent Locations: Amboy, WA   Millboro, VA   Grafton, NH  
Today: A 20 percent chance of showers before 8am. Partly sunny, with a high near 51. Northwest wind 5 to 10 mph.
Tonight: Mostly cloudy, with a low around 33. Northwest wind around 5 mph becoming east after midnight.
Thursday: A chance of rain and snow showers before 9am, then a chance of sleet between 9am and 4pm, then a chance of rain showers, snow showers, and sleet after 4pm. Mostly cloudy, with a high near 37. East wind around 5 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night: A chance of rain before 10pm, then a chance of freezing rain between 10pm and 4am, then a chance of rain or freezing rain after 4am. Cloudy, with a low around 31. Southeast wind around 5 mph. Chance of precipitation is 40%.
Friday: A 30 percent chance of rain before 8am. Mostly cloudy, with a high near 62. Southeast wind around 5 mph becoming south in the afternoon.
Friday Night: Mostly cloudy, with a low around 47.
Saturday: Partly sunny, with a high near 64.
Saturday Night: A 50 percent chance of showers after 7pm. Cloudy, with a low around 37.
Sunday: Showers. High near 58. Chance of precipitation is 80%.
Sunday Night: Showers likely, mainly before 9pm. Mostly cloudy, with a low around 33. Chance of precipitation is 60%.
Monday: Partly sunny, with a high near 44.
Monday Night: Partly cloudy, with a low around 26.
Tuesday: Mostly sunny, with a high near 42.

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Weather Topic: What are Hole Punch Clouds?

Home - Education - Cloud Types - Hole Punch Clouds

Hole Punch Clouds Next Topic: Mammatus Clouds

A hole punch cloud is an unusual occurrence when a disk-shaped hole appears in a cirrostratus, cirrocumulus, or altocumulus cloud.

When part of the cloud forms ice crystals, water droplets in the surrounding area of the cloud evaporate. The effect of this process produces a large elliptical gap in the cloud. The hole punch cloud formation is rare, but it is not specific to any geographic area.

Other names which have been used to describe this phenomena include fallstreak hole, skypunch, and cloud hole.

Next Topic: Mammatus Clouds

Weather Topic: What are Nimbostratus Clouds?

Home - Education - Cloud Types - Nimbostratus Clouds

Nimbostratus Clouds Next Topic: Precipitation

A nimbostratus cloud is similar to a stratus cloud in its formless, smooth appearance. However, a nimbostratus cloud is darker than a stratus cloud, because it is thicker.

Unlike a stratus cloud, a nimbostratus cloud typically brings with it the threat of moderate to heavy precipitation. In some cases, the precipitation may evaporate before reaching the ground, a phenomenon known as virga.

Next Topic: Precipitation

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