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As of 03:59 EDT

Weather in Grantham, NH

48°Current weather

Grantham, Thursday, 15 October, 03:59

Overcast. Feels like 43°. High 53°, low 38°.

Pressure30.06 inHg
Wind10.4 mph N
Humidity81%
Visibility6.2 mi
Dew point42°

10-day forecast for Grantham, NH: 29° to 66°, with precipitation expected on 2 days. The table below breaks each day into morning, afternoon, evening and overnight.

66°
Best day: Monday, October 19
62° · 0.46 in
Worst day: Friday, October 16

Tap any day below to see morning, afternoon, evening and overnight.

Fri, 1662° / 38°0.46Rain
MorningLight rain42°feels 36°
AfternoonLight rain54°feels 54°
EveningOvercast62°feels 62°
OvernightOvercast38°feels 36°
62 °Rain

Grantham, Friday, 16 October

Rain. High 62°, low 38°.

Pressure29.74 inHg
Wind11.9 mph S
Humidity98%
Visibility2.6 mi
Dew point52°
Sat, 1757° / 36°0.04Light rain
MorningLight rain41°feels 35°
AfternoonPartly cloudy46°feels 39°
EveningMostly clear38°feels 31°
OvernightPartly cloudy48°feels 44°
57 °Light rain

Grantham, Saturday, 17 October

Light rain. High 57°, low 36°.

Pressure30.03 inHg
Wind14.4 mph NW
Humidity63%
Visibility6.2 mi
Dew point27°
Sun, 1853° / 29°0Clear
MorningClear31°feels 26°
AfternoonClear53°feels 50°
EveningPartly cloudy44°feels 39°
OvernightClear31°feels 27°
53 °Clear

Grantham, Sunday, 18 October

Clear. High 53°, low 29°.

Pressure30.53 inHg
Wind5.6 mph SW
Humidity52%
Visibility6.2 mi
Dew point23°
Mon, 1966° / 37°0Clear
MorningClear43°feels 39°
AfternoonClear58°feels 55°
EveningClear59°feels 56°
OvernightClear39°feels 34°
66 °Clear

Grantham, Monday, 19 October

Clear. High 66°, low 37°.

Pressure30.45 inHg
Wind6.7 mph S
Humidity41%
Visibility—
Dew point31°
Tue, 2062° / 37°0Clear
MorningClear42°feels 42°
AfternoonClear55°feels 53°
EveningClear54°feels 53°
OvernightClear42°feels 41°
62 °Clear

Grantham, Tuesday, 20 October

Clear. High 62°, low 37°.

Pressure30.33 inHg
Wind5.4 mph NW
Humidity54%
Visibility—
Dew point37°
Wed, 2156° / 38°0Clear
MorningClear43°feels 42°
AfternoonClear52°feels 49°
EveningClear50°feels 48°
OvernightClear38°feels 37°
56 °Clear

Grantham, Wednesday, 21 October

Clear. High 56°, low 38°.

Pressure30.47 inHg
Wind6.8 mph N
Humidity57%
Visibility—
Dew point35°
Thu, 2255° / 37°0Overcast
MorningOvercast41°feels 40°
AfternoonOvercast50°feels 49°
EveningOvercast52°feels 51°
OvernightOvercast41°feels 40°
55 °Overcast

Grantham, Thursday, 22 October

Overcast. High 55°, low 37°.

Pressure30.50 inHg
Wind4.8 mph SW
Humidity70%
Visibility—
Dew point38°
Fri, 2363° / 40°0Overcast
MorningOvercast45°feels 44°
AfternoonOvercast56°feels 55°
EveningOvercast58°feels 57°
OvernightOvercast50°feels 49°
63 °Overcast

Grantham, Friday, 23 October

Overcast. High 63°, low 40°.

Pressure30.33 inHg
Wind5.2 mph NW
Humidity67%
Visibility—
Dew point43°
Sat, 2451° / 48°0Overcast
MorningOvercast49°feels 48°
AfternoonOvercast50°feels 47°
EveningOvercast50°feels 49°
OvernightOvercast48°feels 47°
51 °Overcast

Grantham, Saturday, 24 October

Overcast. High 51°, low 48°.

Pressure30.53 inHg
Wind6.2 mph SE
Humidity91%
Visibility—
Dew point47°

About this forecast

How reliable is a 10-day forecast?

The first 3–5 days are the most reliable, typically within 2–4°. From day six to ten the models show the trend: the direction of change is right more often than the exact numbers.

What does the time-of-day table show?

Temperature in Grantham, NH around 8am, 2pm, 8pm and 2am each day — handy for planning a walk, a drive or work outdoors.

How is the best day chosen?

We weigh the daytime high against precipitation: a warm, dry day scores highest.