Local Forecast

Grantham, NH Weather Forecast & Alerts

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

Active Alerts 1 active

Hour-by-Hour  Current Observation

Saturday 1:05 PM EDTSaturday 1:05 PM

°F °C
Regional Observations →
66°F

Light Rain

  • 77° / 59° High / Low
  • 66° Feels Like
  • 0% Chance of Rain

Wind

5 mph

ENE

UV Index

10

Very High

Humidity

0%

Dew 0°F

Sun

5:23 AM · 8:25 PM

Rise · Set

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

5-Day Outlook

Through Wednesday

Local Radar →

This Afternoon

77° 59°

Thunderstorms

Overnight: Thunderstorms

Detailed forecast

This Afternoon

Patchy smoke and a slight chance of rain showers before 2pm, then areas of smoke and showers and thunderstorms. Mostly cloudy. High near 76, with temperatures falling to around 70 in the afternoon. Southwest wind around 10 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch possible.

Night

Patchy smoke and showers and thunderstorms before 10pm, then a chance of showers and thunderstorms between 10pm and 11pm, then a chance of showers and thunderstorms between 11pm and midnight, then a slight chance of showers and thunderstorms between midnight and 1am, then a chance of showers and thunderstorms between 1am and 2am. Mostly cloudy, with a low around 58. West wind 5 to 10 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch possible.

Sunday

75° 53°

Mostly Cloudy

Overnight: Mostly Clear

Detailed forecast

Sunday

Mostly sunny, with a high near 74. Northwest wind around 10 mph, with gusts as high as 25 mph.

Night

Mostly clear, with a low around 52. West wind 0 to 10 mph.

Monday

80° 57°

Partly Sunny

Overnight: Partly Cloudy

Detailed forecast

Monday

Sunny, with a high near 79. West wind 0 to 5 mph.

Night

Partly cloudy, with a low around 56.

Tuesday

78° 62°

Thunderstorms Likely

Overnight: Thunderstorms

Detailed forecast

Tuesday

A slight chance of rain showers between 11am and 2pm, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 78. Chance of precipitation is 50%.

Night

Showers and thunderstorms. Mostly cloudy, with a low around 61. Chance of precipitation is 90%.

Wednesday

77° 59°

Thunderstorms

Overnight: Rain Showers Likely

Detailed forecast

Wednesday

Showers and thunderstorms. Mostly cloudy, with a high near 77. Chance of precipitation is 80%.

Night

Showers and thunderstorms likely. Mostly cloudy, with a low around 58. Chance of precipitation is 60%.

Grantham, NH Weather Analysis Tools