Live Weather & Forecast
Weather in Harleysville
Pennsylvania, United States · Real-time conditions & 3-day outlook
13°C
Feels like 11°C
55°F / Feels 52°F
Clear
Harleysville, Pennsylvania
🌙 Nighttime
Updated: 2026-04-12 22:15
Humidity
51%
Wind
17.3 km/h SSE
Wind Gust
29.3 km/h
Pressure
1027 mb
Visibility
16 km
UV Index
0
(Low)
Precipitation
0 mm
Cloud Cover
0%
Dew Point
4.8°C
Wind Degree
165°
Air Quality Index
US EPA: Good
UK DEFRA: Low (1)
CO
179.9 μg/m³
NO₂
6.6 μg/m³
O₃
89 μg/m³
SO₂
3.1 μg/m³
PM 2.5
6.4 μg/m³
PM 10
6.9 μg/m³
Today's Hourly Forecast
24-hour breakdown for Harleysville, Pennsylvania
12 AM
9°
Clear
1 AM
8°
Clear
2 AM
7°
Clear
3 AM
6°
Clear
4 AM
5°
Clear
5 AM
4°
Clear
6 AM
4°
Clear
7 AM
5°
Sunny
8 AM
6°
Sunny
9 AM
8°
Sunny
10 AM
11°
Sunny
11 AM
14°
Sunny
12 PM
16°
Sunny
1 PM
18°
Sunny
2 PM
19°
Sunny
3 PM
21°
Sunny
4 PM
21°
Sunny
5 PM
20°
Sunny
6 PM
20°
Sunny
7 PM
17°
Sunny
8 PM
14°
Clear
9 PM
13°
Clear
10 PM
13°
Clear
11 PM
10°
Clear
3-Day Forecast
Daily overview for Harleysville, Pennsylvania
Today
Sunny
22°
/
3°
🌧️ 0% chance of rain
💧 Avg. humidity: 47%
💨 Max wind: 20.9 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 1.7
🌅 Sunrise: 06:28 AM
🌇 Sunset: 07:38 PM
🌙 Waning Crescent
🌑 Moon: 33% lit
Mon, Apr 13
Overcast
22°
/
8°
🌧️ 0% chance of rain
💧 Avg. humidity: 84%
💨 Max wind: 30.6 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 1.4
🌅 Sunrise: 06:26 AM
🌇 Sunset: 07:39 PM
🌙 Waning Crescent
🌑 Moon: 23% lit
Tue, Apr 14
Mist
26°
/
13°
🌧️ 0% chance of rain
💧 Avg. humidity: 78%
💨 Max wind: 22.3 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 1.7
🌅 Sunrise: 06:25 AM
🌇 Sunset: 07:40 PM
🌙 Waning Crescent
🌑 Moon: 15% lit
Best Time to Visit Harleysville
Plan your trip to Harleysville, United States around the most favorable weather conditions.
Peak Season
June – September
Warm, dry summers — ideal for outdoor activities.
Shoulder Season
April – May, October
Fewer crowds, moderate prices, mild weather.
Off Season
November – March
Cooler temperatures; some regions may experience rain or snow.
Frequently Asked Questions
What is the current weather in Harleysville?
Current conditions in Harleysville: Clear, temperature 13°C, humidity 51%.
What is the best time to visit Harleysville?
The best time to visit Harleysville is typically June – September. Warm, dry summers — ideal for outdoor activities.
What is the climate like in Harleysville?
Harleysville is located at approximately 40.3° latitude. It has a temperate climate with warm summers and cold winters.
Does it rain a lot in Harleysville?
The wettest period in Harleysville is typically during November – March. Cooler temperatures; some regions may experience rain or snow.
What should I pack for a trip to Harleysville?
For visits to Harleysville during June – September: light clothing and sun protection. For November – March: layers and a waterproof jacket are recommended.
What country is Harleysville in?
Harleysville is located in United States, in the state of Pennsylvania.
What are the public holidays in Harleysville in 2026?
View the 2026 public holidays for Harleysville on our Holidays page.
What are the GPS coordinates used for the weather forecast in Harleysville?
The weather forecast for Harleysville uses coordinates 40.2795, -75.3871.