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Grantham, NH

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Grantham, NH Weather

Today WinterCast Local {stormName} Tracker Hourly 10-Day Radar MinuteCast® Monthly Air Quality Health & Activities

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Today Local Isaias Tracker

Hourly

10-Day Radar MinuteCast® Monthly Air Quality Health & Activities

View hourly forecasts 10-days ahead

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Local Hurricane Tracker

Sun, 10/11, 9:00 PM - Mon, 10/12, 7:00 AM

2 PM

57°

RealFeel® 55°

Cool

RealFeel Guide

Cool

53° to 62°

Light jacket or sweater may be appropriate.

45%

Showers

RealFeel Shade™53°

WindS 7 mph

Air QualityFair

Max UV Index1.2 (Low)

Wind Gusts8 mph

Humidity67%

Indoor Humidity45% (Ideal Humidity)

Dew Point46° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover96%

Visibility10 mi

Cloud Ceiling18000 ft

3 PM

56°

RealFeel® 51°

Chilly

RealFeel Guide

Chilly

40° to 52°

Jacket or sweater is recommended.

52%

Showers

RealFeel Shade™51°

WindS 7 mph

Air QualityFair

Max UV Index0.8 (Low)

Wind Gusts9 mph

Humidity69%

Indoor Humidity45% (Ideal Humidity)

Dew Point46° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover100%

Rain0.02 in

Visibility10 mi

Cloud Ceiling13200 ft

4 PM

54°

RealFeel® 54°

Cool

RealFeel Guide

Cool

53° to 62°

Light jacket or sweater may be appropriate.

48%

Cloudy

RealFeel Shade™54°

WindS 6 mph

Air QualityFair

Max UV Index0.8 (Low)

Wind Gusts7 mph

Humidity71%

Indoor Humidity44% (Ideal Humidity)

Dew Point45° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover94%

Visibility10 mi

Cloud Ceiling11700 ft

5 PM

53°

RealFeel® 53°

Cool

RealFeel Guide

Cool

53° to 62°

Light jacket or sweater may be appropriate.

34%

Cloudy

RealFeel Shade™53°

WindS 6 mph

Air QualityFair

Max UV Index0.4 (Low)

Wind Gusts7 mph

Humidity78%

Indoor Humidity46% (Ideal Humidity)

Dew Point46° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover94%

Visibility10 mi

Cloud Ceiling10300 ft

6 PM

52°

RealFeel® 51°

Chilly

RealFeel Guide

Chilly

40° to 52°

Jacket or sweater is recommended.

34%

Cloudy

RealFeel Shade™51°

WindS 6 mph

Air QualityFair

Max UV Index0.2 (Low)

Wind Gusts7 mph

Humidity82%

Indoor Humidity47% (Ideal Humidity)

Dew Point47° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover94%

Visibility10 mi

Cloud Ceiling10200 ft

7 PM

51°

RealFeel® 49°

Chilly

RealFeel Guide

Chilly

40° to 52°

Jacket or sweater is recommended.

39%

Cloudy

WindSSE 6 mph

Air QualityFair

Wind Gusts7 mph

Humidity87%

Indoor Humidity47% (Ideal Humidity)

Dew Point47° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover94%

Visibility10 mi

Cloud Ceiling10200 ft

8 PM

49°

RealFeel® 47°

Chilly

RealFeel Guide

Chilly

40° to 52°

Jacket or sweater is recommended.

49%

Cloudy

WindSSE 6 mph

Air QualityFair

Wind Gusts7 mph

Humidity93%

Indoor Humidity46% (Ideal Humidity)

Dew Point47° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover100%

Visibility10 mi

Cloud Ceiling10200 ft

9 PM

47°

RealFeel® 42°

Chilly

RealFeel Guide

Chilly

40° to 52°

Jacket or sweater is recommended.

63%

Rain

WindSE 6 mph

Air QualityFair

Wind Gusts6 mph

Humidity100%

Indoor Humidity46% (Ideal Humidity)

Dew Point47° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover100%

Rain0.04 in

Visibility6 mi

Cloud Ceiling4000 ft

10 PM

47°

RealFeel® 43°

Chilly

RealFeel Guide

Chilly

40° to 52°

Jacket or sweater is recommended.

63%

Rain

WindSE 5 mph

Air QualityFair

Wind Gusts6 mph

Humidity100%

Indoor Humidity46% (Ideal Humidity)

Dew Point47° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover99%

Rain0.04 in

Visibility6 mi

Cloud Ceiling4000 ft

11 PM

47°

RealFeel® 43°

Chilly

RealFeel Guide

Chilly

40° to 52°

Jacket or sweater is recommended.

53%

Rain

WindESE 5 mph

Air QualityFair

Wind Gusts5 mph

Humidity100%

Indoor Humidity47% (Ideal Humidity)

Dew Point47° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover100%

Rain0.04 in

Visibility6 mi

Cloud Ceiling4000 ft

Hourly Weather Forecast for Grantham

AccuWeather's hourly forecast for Grantham provides hour-by-hour temperatures, RealFeel® Temperature, and precipitation probability through the next 10 days. The current hour shows 57° with a RealFeel® of 55°, showers with a 45% chance of precipitation. Each hourly forecast includes wind speed, humidity, air quality, UV index, and the AccuLumen Brightness Index™, AccuWeather's measure of perceived outdoor light intensity. Forecasts are generated by proprietary systems developed by AccuWeather meteorologists since 1962.

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