Grantham, NH Weather Forecast and Current Conditions (03753)
Feels Like 67°F
Current Weather
Feels Like 67°F
Forecast at a Glance
This Date in Weather History
1970 - The greatest natural disaster of record for Arizona occurred. Unprecedented rains caused rivers in central Arizona to rise five to ten feet per hour, sweeping cars and buildings as far as 30 to 40 miles downstream. Flooding claimed the lives of 23 persons, mainly campers, and caused millions of dollars damage. Water crested 36 feet above normal near Sunflower AZ. Workman's Creek was deluged with 11.40 inches of rain in 24 hours to establish a state record. Moisture from Pacific Tropical Storm Norma led to the severe flooding.
More on this and other weather history
Grantham 7 Day Weather Forecast Details
Thursday Sep 4
Night: Showers and thunderstorms between 11pm and 3am, then rain showers likely and areas of fog between 3am and 5am, then areas of fog and a slight chance of rain showers. Mostly cloudy, with a low around 58. South wind 5 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch possible.
Friday Sep 5
Day: Areas of fog before 10am. Partly sunny, with a high near 76. South wind 5 to 15 mph, with gusts as high as 25 mph. New rainfall amounts between a tenth and quarter of an inch possible.
Night: A slight chance of rain showers before 7pm. Partly cloudy, with a low around 62. South wind 5 to 10 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
Saturday Sep 6
Day: A chance of rain showers between 7am and 11am, then showers and thunderstorms. Mostly cloudy, with a high near 79. Southwest wind 5 to 10 mph. Chance of precipitation is 80%.
Night: Showers and thunderstorms. Cloudy, with a low around 53. West wind around 5 mph. Chance of precipitation is 80%.
Sunday Sep 7
Day: A chance of rain showers before 1pm. Partly sunny, with a high near 68. Chance of precipitation is 40%.
Night: Partly cloudy, with a low around 47.
Monday Sep 8
Day: Sunny, with a high near 66.
Night: Mostly clear, with a low around 43.
Tuesday Sep 9
Day: Sunny, with a high near 67.
Night: Mostly clear, with a low around 43.
Wednesday Sep 10
Day: Sunny, with a high near 70.
Night: Partly cloudy, with a low around 46.
Thursday Sep 11
Day: Mostly sunny, with a high near 70.
Sun & Moon Monthly
Sunrise 6:17 AM
Sunset 7:20 PM
Last Light 7:50 PM
Moonset 2:14 AM
Contiguous United States Extremes
Thu's High Temperature
112 at Death Valley, CA and 16 Miles Southwest If Tecopa, CA
Thu's Low Temperature
28 at Peter Sinks, UT
Weather Folklore
In the winter, a heavy snow is predicted if the barometer falls and the temperature rises.
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About Grantham, New Hampshire
Grantham is a town in Sullivan County, New Hampshire, United States. The population was 3,404 at the 2020 census, an increase over the figure of 2,985 tabulated in 2010. The planned community of Eastman is in the eastern part of the town.
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