Hourly Weather Forecast - Chambersburg, PA

12 AM
30°F
0%
0mph
NNE
Mostly Clear
Humidity
90%
Feels like
30°F
Dew Point
27°F
1 AM
28°F
0%
1mph
NNE
Hazy
Humidity
93%
Feels like
28°F
Dew Point
26°F
2 AM
27°F
0%
1mph
ENE
Hazy
Humidity
94%
Feels like
27°F
Dew Point
26°F
3 AM
26°F
0%
1mph
SE
Hazy
Humidity
96%
Feels like
26°F
Dew Point
25°F
4 AM
26°F
0%
1mph
SE
Hazy
Humidity
96%
Feels like
26°F
Dew Point
25°F
5 AM
25°F
0%
1mph
SE
Hazy
Humidity
97%
Feels like
25°F
Dew Point
24°F
6 AM
25°F
0%
1mph
SSE
Hazy
Humidity
97%
Feels like
25°F
Dew Point
25°F
7 AM
26°F
0%
1mph
SSE
Hazy
Humidity
95%
Feels like
26°F
Dew Point
25°F
7:26 AM
8 AM
28°F
0%
1mph
SSE
Partly Cloudy
Humidity
91%
Feels like
28°F
Dew Point
26°F
9 AM
31°F
0%
2mph
SSE
Partly Cloudy
Humidity
85%
Feels like
31°F
Dew Point
27°F
10 AM
34°F
0%
2mph
S
Partly Cloudy
Humidity
79%
Feels like
34°F
Dew Point
28°F
11 AM
38°F
0%
3mph
S
Partly Cloudy
Humidity
73%
Feels like
38°F
Dew Point
30°F
12 PM
41°F
0%
4mph
S
Mostly Sunny
Humidity
68%
Feels like
38°F
Dew Point
31°F
1 PM
43°F
0%
5mph
S
Sunny
Humidity
65%
Feels like
40°F
Dew Point
32°F
2 PM
44°F
0%
5mph
SSE
Mostly Sunny
Humidity
65%
Feels like
41°F
Dew Point
33°F
3 PM
44°F
0%
4mph
SSE
Partly Cloudy
Humidity
67%
Feels like
41°F
Dew Point
34°F
4 PM
43°F
10%
4mph
SSE
Mostly Cloudy
Humidity
72%
Feels like
41°F
Dew Point
35°F
4:47 PM
5 PM
42°F
10%
4mph
SSE
Partly Cloudy
Humidity
79%
Feels like
39°F
Dew Point
36°F
6 PM
42°F
10%
5mph
SSE
Partly Cloudy
Humidity
84%
Feels like
39°F
Dew Point
37°F
7 PM
42°F
10%
5mph
S
Mostly Clear
Humidity
88%
Feels like
39°F
Dew Point
38°F
8 PM
43°F
10%
6mph
S
Partly Cloudy
Humidity
90%
Feels like
39°F
Dew Point
40°F
9 PM
44°F
20%
6mph
S
Mostly Cloudy
Humidity
91%
Feels like
40°F
Dew Point
41°F
10 PM
45°F
40%
7mph
S
40% Chance of Light Rain
Humidity
93%
Feels like
41°F
Dew Point
43°F
11 PM
46°F
80%
8mph
S
80% Chance of Light Rain
Humidity
95%
Feels like
42°F
Dew Point
45°F

Rainfall Totals Through Wednesday A.M.

Heavy Rain Returns to Deluge Pacific Northwest

Another atmospheric river will hit the Pacific Northwest with heavy rain and high winds.

Tuesday's Weather Outlook

Tuesday's Weather Outlook

How to Measure Snow via NWS

How To Measure Snow

Weekly Drought Map for December 11, 2025

Hit-or-Miss Precipitation Leads to Mixed Drought Results

A person standing in a snowy forest with their back to the camera. They are bundled up in a white hat and a brown jacket. (Image by StockSnap from Pixabay)

Common Cold Weather Illnesses

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

Cold Air Damming - Cause And Effects

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