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As of 20:13 EDT

Weather in Grantham, PA

81°Current weather

Grantham, Saturday, 8 August, 20:13

Overcast. Feels like 86°. High 84°, low 70°.

Pressure29.97 inHg
Wind2.7 mph W
Humidity78%
Visibility6.2 mi
Dew point73°

10-day forecast for Grantham, PA: 54° to 91°, with precipitation expected on 3 days. The table below breaks each day into morning, afternoon, evening and overnight.

87°
Best day: Thursday, August 13
89° · 0.3 in
Worst day: Tuesday, August 11

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

Sun, 0986° / 70°0Clear
MorningOvercast74°feels 75°
AfternoonClear83°feels 82°
EveningClear76°feels 76°
OvernightOvercast70°feels 71°
86 °Clear

Grantham, Sunday, 9 August

Clear. High 86°, low 70°.

Pressure30.00 inHg
Wind8.7 mph NW
Humidity46%
Visibility6.2 mi
Dew point63°
Mon, 1091° / 68°0.25Rain
MorningRain71°feels 72°
AfternoonOvercast86°feels 88°
EveningOvercast83°feels 85°
OvernightClear72°feels 71°
91 °Rain

Grantham, Monday, 10 August

Rain. High 91°, low 68°.

Pressure30.03 inHg
Wind9.2 mph NW
Humidity63%
Visibility6.2 mi
Dew point67°
Tue, 1189° / 67°0.3Rain
MorningOvercast71°feels 72°
AfternoonOvercast86°feels 88°
EveningOvercast80°feels 80°
OvernightOvercast68°feels 68°
89 °Rain

Grantham, Tuesday, 11 August

Rain. High 89°, low 67°.

Pressure29.94 inHg
Wind6 mph W
Humidity60%
Visibility6.2 mi
Dew point66°
Wed, 1279° / 67°0.17Light rain
MorningOvercast69°feels 70°
AfternoonOvercast79°feels 79°
EveningLight rain73°feels 74°
OvernightLight rain70°feels 71°
79 °Light rain

Grantham, Wednesday, 12 August

Light rain. High 79°, low 67°.

Pressure29.83 inHg
Wind4.2 mph NW
Humidity84%
Visibility6.2 mi
Dew point68°
Thu, 1387° / 67°0Partly cloudy
MorningPartly cloudy75°feels 76°
AfternoonPartly cloudy84°feels 84°
EveningPartly cloudy70°feels 70°
OvernightPartly cloudy67°feels 67°
87 °Partly cloudy

Grantham, Thursday, 13 August

Partly cloudy. High 87°, low 67°.

Pressure29.77 inHg
Wind13.4 mph NW
Humidity41%
Visibility—
Dew point58°
Fri, 1478° / 60°0.02Light rain
MorningLight rain67°feels 66°
AfternoonLight rain75°feels 74°
EveningLight rain65°feels 64°
OvernightLight rain61°feels 60°
78 °Light rain

Grantham, Friday, 14 August

Light rain. High 78°, low 60°.

Pressure29.97 inHg
Wind9.7 mph N
Humidity38%
Visibility—
Dew point47°
Sat, 1577° / 54°0Clear
MorningClear63°feels 62°
AfternoonClear74°feels 73°
EveningClear69°feels 68°
OvernightClear64°feels 62°
77 °Clear

Grantham, Saturday, 15 August

Clear. High 77°, low 54°.

Pressure30.21 inHg
Wind11.2 mph NE
Humidity36%
Visibility—
Dew point44°
Sun, 1678° / 54°0Clear
MorningClear64°feels 63°
AfternoonClear76°feels 75°
EveningClear66°feels 65°
OvernightClear61°feels 60°
78 °Clear

Grantham, Sunday, 16 August

Clear. High 78°, low 54°.

Pressure30.30 inHg
Wind6.8 mph N
Humidity34%
Visibility—
Dew point45°
Mon, 1786° / 58°0Overcast
MorningOvercast68°feels 68°
AfternoonOvercast82°feels 82°
EveningOvercast74°feels 74°
OvernightOvercast68°feels 68°
86 °Overcast

Grantham, Monday, 17 August

Overcast. High 86°, low 58°.

Pressure30.12 inHg
Wind9.3 mph S
Humidity46%
Visibility—
Dew point57°

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, PA 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.