Hourly Weather Forecast - Mertztown, PA

12 AM
27°F
0%
14mph
W
Partly Cloudy
Humidity
56%
Feels like
16°F
Dew Point
14°F
1 AM
26°F
0%
14mph
W
Partly Cloudy
Humidity
58%
Feels like
15°F
Dew Point
14°F
2 AM
26°F
0%
14mph
W
Partly Cloudy
Humidity
59%
Feels like
14°F
Dew Point
13°F
3 AM
25°F
0%
14mph
W
Partly Cloudy
Humidity
59%
Feels like
13°F
Dew Point
13°F
4 AM
25°F
0%
14mph
W
Partly Cloudy
Humidity
58%
Feels like
13°F
Dew Point
12°F
5 AM
24°F
0%
13mph
W
Partly Cloudy
Humidity
58%
Feels like
13°F
Dew Point
12°F
6 AM
24°F
0%
13mph
W
Partly Cloudy
Humidity
56%
Feels like
13°F
Dew Point
11°F
7 AM
25°F
0%
13mph
W
Partly Cloudy
Humidity
54%
Feels like
13°F
Dew Point
10°F
7:25 AM
8 AM
25°F
10%
14mph
W
Partly Cloudy
Humidity
52%
Feels like
13°F
Dew Point
10°F
9 AM
26°F
10%
14mph
W
Partly Cloudy
Humidity
50%
Feels like
14°F
Dew Point
10°F
10 AM
27°F
10%
15mph
W
Partly Cloudy
Humidity
49%
Feels like
15°F
Dew Point
10°F
11 AM
28°F
0%
15mph
W
Partly Cloudy
Humidity
47%
Feels like
16°F
Dew Point
11°F
12 PM
29°F
0%
15mph
W
Partly Cloudy
Humidity
46%
Feels like
18°F
Dew Point
11°F
1 PM
29°F
0%
15mph
W
Partly Cloudy
Humidity
45%
Feels like
18°F
Dew Point
11°F
2 PM
29°F
0%
14mph
W
Partly Cloudy
Humidity
45%
Feels like
18°F
Dew Point
10°F
3 PM
28°F
0%
13mph
W
Partly Cloudy
Humidity
45%
Feels like
18°F
Dew Point
10°F
4 PM
28°F
0%
13mph
W
Partly Cloudy
Humidity
45%
Feels like
17°F
Dew Point
9°F
4:44 PM
5 PM
27°F
0%
12mph
W
Partly Cloudy
Humidity
47%
Feels like
16°F
Dew Point
9°F
6 PM
26°F
0%
12mph
WNW
Partly Cloudy
Humidity
49%
Feels like
15°F
Dew Point
9°F
7 PM
25°F
0%
12mph
WNW
Partly Cloudy
Humidity
51%
Feels like
14°F
Dew Point
9°F
8 PM
24°F
0%
11mph
WNW
Partly Cloudy
Humidity
52%
Feels like
13°F
Dew Point
9°F
9 PM
24°F
0%
11mph
W
Partly Cloudy
Humidity
54%
Feels like
13°F
Dew Point
10°F
10 PM
23°F
0%
10mph
W
Partly Cloudy
Humidity
56%
Feels like
12°F
Dew Point
9°F
11 PM
22°F
0%
9mph
W
Partly Cloudy
Humidity
58%
Feels like
12°F
Dew Point
10°F

Snow Forecast Through Monday

Powerful Winter Storm Taking Shape Across the Upper Midwest

A major winter storm is taking aim at the Upper Midwest and Great Lakes.

Saturday's Weather Outlook

Weekend Weather Outlook

Satellite image of Hurricane Melissa

2025 Year in Review: Powerful Hurricanes in the Atlantic

A frame from an automated video of a tornado and its mesocyclone that derailed multiple train cars near Enderlin, North Dakota and destroyed multiple homes on June 20, 2025. (ChrisWx via Wikimedia Commons)

2025 Year in Review: Extreme Weather - January through June

Photos and videos from the Palisades Fire that started in the City of Los Angeles, January 8, 2025. (CAL FIRE_Official via Wikimedia Commons)

2025 Year in Review: Billion Dollar Disasters - The California Wildfires

Hurricane Erick at its peak intensity before making landfall on Guerrero, Mexico on June 19, 2025 (NOAA/Wikimedia Commons)

2025 Year in Review: Active Tropical Season for The Pacific

loading ad...

Today's National Outlook

Hurricane Tracker

Allergy Forecast

Snow & Ski Forecast

Traffic Cameras

Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide