Hourly Weather Forecast - Grantham, PA

1 PM
58°F
10%
8mph
SSW
Mostly Cloudy
Humidity
54%
Feels like
58°F
Dew Point
41°F
2 PM
59°F
10%
9mph
SSW
Mostly Cloudy
Humidity
53%
Feels like
59°F
Dew Point
42°F
3 PM
59°F
20%
10mph
SSW
Mostly Cloudy
Humidity
56%
Feels like
59°F
Dew Point
43°F
4 PM
58°F
30%
9mph
SSW
30% Chance of Light Rain
Humidity
58%
Feels like
58°F
Dew Point
44°F
5 PM
57°F
70%
9mph
SSW
70% Chance of Light Rain
Humidity
62%
Feels like
57°F
Dew Point
44°F
6 PM
56°F
80%
9mph
SSW
80% Chance of Light Rain
Humidity
69%
Feels like
56°F
Dew Point
46°F
7 PM
55°F
60%
8mph
SW
60% Chance of Light Rain
Humidity
76%
Feels like
55°F
Dew Point
47°F
7:19 PM
8 PM
54°F
40%
7mph
SW
40% Chance of Light Rain
Humidity
89%
Feels like
54°F
Dew Point
50°F
9 PM
53°F
40%
6mph
SW
40% Chance of Light Rain
Humidity
90%
Feels like
53°F
Dew Point
50°F
10 PM
52°F
30%
5mph
SW
30% Chance Rain Showers
Humidity
87%
Feels like
52°F
Dew Point
49°F
11 PM
52°F
30%
4mph
SW
30% Chance Rain Showers
Humidity
92%
Feels like
52°F
Dew Point
49°F

Today's High Temperature Outlook

Dangerous 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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