EN
English Español

As of 18:48 EDT

Weather in Grantham, NH

78°Current weather

Grantham, Saturday, 8 August, 18:48

Overcast. Feels like 79°. High 82°, low 68°.

Pressure29.85 inHg
Wind4.8 mph W
Humidity73%
Visibility6.2 mi
Dew point68°

10-day forecast for Grantham, NH: 46° to 86°, with precipitation expected on 3 days. The table below breaks each day into morning, afternoon, evening and overnight.

85°
Best day: Sunday, August 9
76° · 0.19 in
Worst day: Wednesday, August 12

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

Sun, 0985° / 66°0Clear
MorningClear72°feels 73°
AfternoonClear82°feels 81°
EveningClear72°feels 72°
OvernightMostly clear68°feels 69°
85 °Clear

Grantham, Sunday, 9 August

Clear. High 85°, low 66°.

Pressure29.91 inHg
Wind11.9 mph W
Humidity39%
Visibility6.2 mi
Dew point55°
Mon, 1086° / 62°0.02Light rain
MorningOvercast70°feels 70°
AfternoonMostly clear86°feels 84°
EveningLight rain71°feels 71°
OvernightPartly cloudy65°feels 66°
86 °Light rain

Grantham, Monday, 10 August

Light rain. High 86°, low 62°.

Pressure29.94 inHg
Wind8.6 mph SW
Humidity37%
Visibility6.2 mi
Dew point54°
Tue, 1181° / 62°0.01Light rain
MorningPartly cloudy68°feels 69°
AfternoonOvercast81°feels 80°
EveningPartly cloudy66°feels 66°
OvernightLight rain64°feels 65°
81 °Light rain

Grantham, Tuesday, 11 August

Light rain. High 81°, low 62°.

Pressure29.83 inHg
Wind12.3 mph NW
Humidity45%
Visibility6.2 mi
Dew point55°
Wed, 1276° / 58°0.19Light rain
MorningOvercast61°feels 61°
AfternoonLight rain71°feels 72°
EveningLight rain73°feels 73°
OvernightOvercast63°feels 62°
76 °Light rain

Grantham, Wednesday, 12 August

Light rain. High 76°, low 58°.

Pressure29.77 inHg
Wind5.7 mph S
Humidity63%
Visibility6.2 mi
Dew point60°
Thu, 1371° / 53°0.11Light rain
MorningLight rain61°feels 61°
AfternoonLight rain66°feels 67°
EveningLight rain60°feels 60°
OvernightLight rain55°feels 54°
71 °Light rain

Grantham, Thursday, 13 August

Light rain. High 71°, low 53°.

Pressure29.71 inHg
Wind9.7 mph NW
Humidity89%
Visibility—
Dew point63°
Fri, 1467° / 46°0.01Light rain
MorningLight rain51°feels 50°
AfternoonLight rain65°feels 63°
EveningLight rain64°feels 63°
OvernightLight rain50°feels 49°
67 °Light rain

Grantham, Friday, 14 August

Light rain. High 67°, low 46°.

Pressure29.88 inHg
Wind10 mph NW
Humidity53%
Visibility—
Dew point44°
Sat, 1570° / 47°0Clear
MorningClear52°feels 51°
AfternoonClear65°feels 64°
EveningClear62°feels 61°
OvernightClear52°feels 51°
70 °Clear

Grantham, Saturday, 15 August

Clear. High 70°, low 47°.

Pressure30.12 inHg
Wind12.4 mph NW
Humidity44%
Visibility—
Dew point41°
Sun, 1675° / 47°0Overcast
MorningOvercast53°feels 53°
AfternoonOvercast70°feels 69°
EveningOvercast72°feels 71°
OvernightOvercast56°feels 55°
75 °Overcast

Grantham, Sunday, 16 August

Overcast. High 75°, low 47°.

Pressure30.27 inHg
Wind6.6 mph NW
Humidity42%
Visibility—
Dew point42°
Mon, 1769° / 52°0Overcast
MorningOvercast57°feels 56°
AfternoonOvercast69°feels 68°
EveningOvercast66°feels 65°
OvernightOvercast59°feels 58°
69 °Overcast

Grantham, Monday, 17 August

Overcast. High 69°, low 52°.

Pressure30.18 inHg
Wind5.4 mph SW
Humidity50%
Visibility—
Dew point48°

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.