Hourly Weather Forecast - Mercer, PA

1 AM
44°F
0%
6mph
NNW
Partly Cloudy
Humidity
92%
Feels like
40°F
Dew Point
41°F
2 AM
42°F
0%
6mph
NNW
Mostly Cloudy
Humidity
92%
Feels like
38°F
Dew Point
40°F
3 AM
40°F
0%
5mph
NNW
Mostly Cloudy
Humidity
92%
Feels like
37°F
Dew Point
38°F
4 AM
39°F
0%
5mph
NNW
Mostly Cloudy
Humidity
92%
Feels like
36°F
Dew Point
37°F
5 AM
39°F
0%
4mph
NNW
Cloudy
Humidity
92%
Feels like
36°F
Dew Point
37°F
6 AM
38°F
0%
4mph
NNW
Mostly Cloudy
Humidity
93%
Feels like
35°F
Dew Point
36°F
7 AM
37°F
0%
4mph
NNW
Mostly Cloudy
Humidity
93%
Feels like
34°F
Dew Point
35°F
7:23 AM
8 AM
37°F
0%
4mph
N
Mostly Cloudy
Humidity
92%
Feels like
35°F
Dew Point
35°F
9 AM
38°F
0%
4mph
N
Mostly Cloudy
Humidity
89%
Feels like
36°F
Dew Point
35°F
10 AM
40°F
0%
3mph
NNE
Mostly Cloudy
Humidity
84%
Feels like
38°F
Dew Point
36°F
11 AM
42°F
0%
3mph
NNE
Mostly Cloudy
Humidity
79%
Feels like
42°F
Dew Point
36°F
12 PM
45°F
0%
1mph
NNE
Partly Cloudy
Humidity
72%
Feels like
45°F
Dew Point
37°F
1 PM
48°F
0%
1mph
WSW
Partly Cloudy
Humidity
64%
Feels like
48°F
Dew Point
37°F
2 PM
51°F
0%
2mph
SW
Partly Cloudy
Humidity
58%
Feels like
51°F
Dew Point
37°F
3 PM
53°F
0%
3mph
SW
Partly Cloudy
Humidity
54%
Feels like
53°F
Dew Point
37°F
4 PM
55°F
0%
3mph
SSW
Mostly Sunny
Humidity
51%
Feels like
55°F
Dew Point
37°F
5 PM
56°F
0%
4mph
SSW
Partly Cloudy
Humidity
50%
Feels like
56°F
Dew Point
38°F
6 PM
55°F
0%
4mph
S
Partly Cloudy
Humidity
54%
Feels like
55°F
Dew Point
38°F
7 PM
53°F
10%
4mph
S
Partly Cloudy
Humidity
59%
Feels like
53°F
Dew Point
39°F
7:33 PM
8 PM
51°F
10%
4mph
S
Mostly Cloudy
Humidity
64%
Feels like
51°F
Dew Point
39°F
9 PM
50°F
10%
5mph
S
Partly Cloudy
Humidity
66%
Feels like
48°F
Dew Point
39°F
10 PM
49°F
10%
6mph
S
Partly Cloudy
Humidity
67%
Feels like
47°F
Dew Point
39°F
11 PM
49°F
10%
6mph
S
Partly Cloudy
Humidity
69%
Feels like
46°F
Dew Point
39°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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