Grantham

Johnson County, New Hampshire, United States

Current Weather

22°

Clear

Feels Like: 15°

Min: 17°

Max: 26°

The next few hours will be clear, with tomorrow reaching 29°C and dropping to 15°C. The coming days will be mostly clear throughout the day.

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Hourly Forecast

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47%
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Today
Tomorrow
Monday

Daylight Hours

05:12

Sunrise

20:24

Sunset

15 hours 12 minutes of sunlight today

Daily Forecast

Saturday

17°
26°

Today

15°
29°

Monday

14°
21°

Tuesday

22°

Wednesday

11°
24°

Thursday

14°
23°

Friday

13°
23°

Air Quality Data Available

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UV Index

No protection needed
0 Low
Low Extreme

Humidity

58% Comfortable
Low High

Frequently asked questions about weather in Grantham

How warm does it get in Grantham?

The warmest month in Grantham is July, with average high temperatures of 27°C. The average temperature during this period is around 22°C.

How cold does it get in Grantham?

The coldest month in Grantham is January, with average low temperatures of -10°C. The average temperature during this period is around -5°C.

What is the wettest time of year in Grantham?

The wettest month in Grantham is October, with an average of 108mm of precipitation.

What is the driest time of year in Grantham?

The driest month in Grantham is May, with an average of 64mm of precipitation.

View full climate insights for Grantham →

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