Local Forecast

Grantham, NH Weather Forecast & Alerts

Current conditions, 5-day forecast, and active NWS weather alerts for Grantham, NH.

No Active Alerts

Hour-by-Hour  Current Observation

Sunday 7:30 AM EDTSunday 7:30 AM

°F °C
Regional Observations →
57°F

Fog

  • 82° / 57° High / Low
  • 57° Feels Like
  • 0% Chance of Rain

Wind

3 mph

NW

UV Index

4

Moderate

Humidity

0%

Dew 0°F

Sun

5:09 AM · 8:33 PM

Rise · Set

Source: LEBANON (KLEB). Slider scrubs the next 12 hours.

5-Day Outlook

Through Thursday

Local Radar →

Today

82° 57°

Partly Sunny

Overnight: Partly Cloudy

Detailed forecast

Today

Mostly sunny, with a high near 81. North wind 0 to 5 mph.

Night

Mostly clear, with a low around 56. Northwest wind 0 to 5 mph.

Monday

84° 62°

Partly Sunny

Overnight: Partly Cloudy

Detailed forecast

Monday

Sunny, with a high near 84. Northwest wind 0 to 5 mph.

Night

Partly cloudy, with a low around 61. Southwest wind around 0 mph.

Tuesday

86° 68°

Chance of Thunderstorms

Overnight: Chance of Thunderstorms

Detailed forecast

Tuesday

A slight chance of rain showers between noon and 2pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 85. Chance of precipitation is 50%.

Night

A chance of showers and thunderstorms before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 67. Chance of precipitation is 50%.

Wednesday

91° 73°

Isolated T-storm

Overnight: Isolated T-storm

Detailed forecast

Wednesday

A slight chance of showers and thunderstorms. Mostly sunny, with a high near 91.

Night

A slight chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 72.

Thursday

93° 71°

Mostly Sunny

Overnight: Partly Cloudy

Detailed forecast

Thursday

Mostly sunny, with a high near 93.

Night

A slight chance of rain showers between 10pm and midnight. Mostly clear, with a low around 70.

Grantham, NH Weather Analysis Tools