Hourly Weather Forecast - Hummelstown, PA

12 AM
23°F
10%
2mph
W
Mostly Clear
Humidity
68%
Feels like
23°F
Dew Point
15°F
1 AM
23°F
10%
2mph
W
Mostly Clear
Humidity
71%
Feels like
23°F
Dew Point
15°F
2 AM
22°F
10%
2mph
W
Partly Cloudy
Humidity
72%
Feels like
22°F
Dew Point
15°F
3 AM
22°F
10%
2mph
W
Mostly Cloudy
Humidity
73%
Feels like
22°F
Dew Point
14°F
4 AM
22°F
10%
2mph
W
Cloudy
Humidity
73%
Feels like
22°F
Dew Point
15°F
5 AM
22°F
10%
3mph
W
Cloudy
Humidity
75%
Feels like
22°F
Dew Point
15°F
6 AM
21°F
10%
4mph
W
Cloudy
Humidity
77%
Feels like
16°F
Dew Point
15°F
7 AM
22°F
20%
4mph
W
Cloudy
Humidity
77%
Feels like
16°F
Dew Point
15°F
7:20 AM
8 AM
22°F
40%
4mph
WNW
40% Chance of Flurries
Humidity
75%
Feels like
17°F
Dew Point
16°F
9 AM
24°F
50%
5mph
WNW
50% Chance of Flurries
Humidity
72%
Feels like
18°F
Dew Point
16°F
10 AM
26°F
50%
5mph
WNW
50% Chance of Flurries
Humidity
68%
Feels like
20°F
Dew Point
17°F

Snow Totals Through Tonight

Snow Impacts Great Lakes to New England

A low pressure system spurs a swath of snow from Wisconsin to New England today.

Today's Weather Outlook

Today's Weather Outlook

Weekly Drought Map for December 4, 2025

Active Week of Weather Leads to Mixed Drought Results

A strong cold-air-damming event from March 20, 2018.

Cold Air Damming - Cause And Effects

People skating on a frozen pond on a clear day. (Image by Q K from Pixabay)

Safety Tips For Icy Surfaces

Image courtesy of PeakPX.

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Today's National Outlook

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Allergy Forecast

Snow & Ski Forecast

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