As of 20:24 EDT

Weather in Grantham, PA

45°

Grantham, Sunday, 18 October, 20:24

Clear. Feels like 45°. High 60°, low 35°.

Pressure30.53 inHg

Wind0 mph N

Humidity74%

Visibility6.2 mi

Dew point37°

See detailed hourly forecast

10-day forecast for Grantham, PA: 34° to 67°, with precipitation expected on 0 days. The table below breaks each day into morning, afternoon, evening and overnight.

67°

Best day: Monday, October 19

55°

Worst day: Friday, October 23

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

Mon, 1967° / 34°

Morning

41°feels 41°

Afternoon

64°feels 62°

Evening

53°feels 51°

Overnight

37°feels 37°

67 °

Grantham, Monday, 19 October

Clear. High 67°, low 34°.

Pressure30.42 inHg

Wind4.9 mph N

Humidity52%

Visibility6.2 mi

Dew point41°

Tue, 2064° / 46°

Morning

47°feels 44°

Afternoon

64°feels 62°

Evening

55°feels 53°

Overnight

47°feels 44°

64 °

Grantham, Tuesday, 20 October

Clear. High 64°, low 46°.

Pressure30.30 inHg

Wind9.1 mph N

Humidity63%

Visibility6.2 mi

Dew point48°

Wed, 2160° / 41°

Morning

42°feels 39°

Afternoon

59°feels 57°

Evening

49°feels 49°

Overnight

46°feels 42°

60 °

Grantham, Wednesday, 21 October

Clear. High 60°, low 41°.

Pressure30.30 inHg

Wind3.6 mph N

Humidity60%

Visibility6.2 mi

Dew point42°

Thu, 2263° / 39°

Morning

41°feels 38°

Afternoon

62°feels 60°

Evening

52°feels 50°

Overnight

43°feels 40°

63 °

Grantham, Thursday, 22 October

Clear. High 63°, low 39°.

Pressure30.15 inHg

Wind8.3 mph NW

Humidity56%

Visibility6.2 mi

Dew point42°

Fri, 2355° / 39°

Morning

45°feels 41°

Afternoon

50°feels 46°

Evening

53°feels 50°

Overnight

42°feels 39°

55 °

Grantham, Friday, 23 October

Clear. High 55°, low 39°.

Pressure30.42 inHg

Wind7.6 mph N

Humidity60%

Visibility—

Dew point35°

Sat, 2458° / 36°

Morning

40°feels 39°

Afternoon

51°feels 50°

Evening

55°feels 53°

Overnight

43°feels 41°

58 °

Grantham, Saturday, 24 October

Mostly clear. High 58°, low 36°.

Pressure30.65 inHg

Wind6.2 mph SE

Humidity68%

Visibility—

Dew point37°

Sun, 2560° / 40°

Morning

44°feels 43°

Afternoon

53°feels 52°

Evening

57°feels 55°

Overnight

48°feels 46°

60 °

Grantham, Sunday, 25 October

Clear. High 60°, low 40°.

Pressure30.56 inHg

Wind6.2 mph S

Humidity67%

Visibility—

Dew point40°

Mon, 2666° / 45°

Morning

49°feels 49°

Afternoon

59°feels 58°

Evening

62°feels 61°

Overnight

54°feels 53°

66 °

Grantham, Monday, 26 October

Clear. High 66°, low 45°.

Pressure30.33 inHg

Wind6.6 mph NW

Humidity58%

Visibility—

Dew point42°

Tue, 2758° / 45°

Morning

49°feels 47°

Afternoon

53°feels 51°

Evening

55°feels 53°

Overnight

45°feels 44°

58 °

Grantham, Tuesday, 27 October

Overcast. High 58°, low 45°.

Pressure30.36 inHg

Wind8.3 mph N

Humidity49%

Visibility—

Dew point33°

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.