Hourly Weather Forecast - Grantham, PA

12 AM
50°F
30%
3mph
WSW
30% Chance Rain Showers
Humidity
100%
Feels like
50°F
Dew Point
50°F
1 AM
49°F
20%
3mph
WSW
Foggy
Humidity
100%
Feels like
49°F
Dew Point
49°F
2 AM
49°F
10%
3mph
W
Foggy
Humidity
99%
Feels like
49°F
Dew Point
49°F
3 AM
49°F
10%
3mph
WNW
Foggy
Humidity
100%
Feels like
49°F
Dew Point
49°F
4 AM
49°F
10%
4mph
NW
Foggy
Humidity
100%
Feels like
48°F
Dew Point
49°F
5 AM
48°F
0%
4mph
NW
Foggy
Humidity
100%
Feels like
47°F
Dew Point
48°F
6 AM
47°F
0%
4mph
NNW
Foggy
Humidity
99%
Feels like
45°F
Dew Point
47°F
7 AM
47°F
0%
4mph
NNW
Partly Cloudy
Humidity
96%
Feels like
45°F
Dew Point
45°F
7:10 AM
8 AM
46°F
0%
4mph
NNW
Partly Cloudy
Humidity
92%
Feels like
44°F
Dew Point
44°F
9 AM
46°F
0%
5mph
N
Mostly Sunny
Humidity
90%
Feels like
43°F
Dew Point
43°F
10 AM
46°F
0%
6mph
N
Mostly Sunny
Humidity
85%
Feels like
43°F
Dew Point
42°F
11 AM
47°F
0%
6mph
N
Mostly Cloudy
Humidity
81%
Feels like
44°F
Dew Point
42°F
12 PM
48°F
0%
6mph
N
Partly Cloudy
Humidity
74%
Feels like
45°F
Dew Point
40°F
1 PM
49°F
0%
4mph
NNW
Partly Cloudy
Humidity
68%
Feels like
48°F
Dew Point
39°F
2 PM
51°F
0%
3mph
NNW
Partly Cloudy
Humidity
62%
Feels like
51°F
Dew Point
38°F
3 PM
52°F
0%
2mph
NNW
Partly Cloudy
Humidity
58%
Feels like
52°F
Dew Point
38°F
4 PM
53°F
0%
2mph
N
Partly Cloudy
Humidity
55%
Feels like
53°F
Dew Point
37°F
5 PM
54°F
0%
2mph
NNE
Partly Cloudy
Humidity
53%
Feels like
54°F
Dew Point
37°F
6 PM
53°F
0%
2mph
NE
Partly Cloudy
Humidity
55%
Feels like
53°F
Dew Point
37°F
7 PM
51°F
0%
2mph
ENE
Partly Cloudy
Humidity
58%
Feels like
51°F
Dew Point
37°F
7:20 PM
8 PM
49°F
0%
2mph
ESE
Partly Cloudy
Humidity
62%
Feels like
49°F
Dew Point
37°F
9 PM
48°F
0%
2mph
ESE
Partly Cloudy
Humidity
65%
Feels like
48°F
Dew Point
36°F
10 PM
47°F
0%
2mph
SE
Partly Cloudy
Humidity
65%
Feels like
47°F
Dew Point
36°F
11 PM
46°F
0%
2mph
SSE
Mostly Cloudy
Humidity
69%
Feels like
46°F
Dew Point
37°F

Saturday's High Temperature Outlook

Scorching Heat Continues Across the Southwest

Dozens of record high temperatures will be challenged or shattered across the Southwest today.

Weekend Weather Outlook

Weekend Weather Outlook

Weekly Drought Map for March 19, 2026

Active Weather, Drought Improvements for Eastern Half; Drying Persists Elsewhere

(Image provided by Pixabay.com)

Lightning Safety

A tree knocked over after a storm produced high winds. (provided by PublicDomainPictures via Pixabay.com)

Strong Winds in the Springtime

Story image: WeatherBug user Pat S. captures a plant blooming in Columbia, Md., on February 24, 2017.

When Does Spring Begin?

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