What is the weather in Harleysville right now?

Current weather in Harleysville is few clouds.

Where can I find the hourly weather forecast for Harleysville?

This page shows hourly weather forecast for Harleysville, including temperature, wind, precipitation, humidity and cloud cover.

Is the weather forecast for Harleysville updated regularly?

Weather data for Harleysville is updated regularly with the latest available observations and forecasts.

Now · 10:58 PM

Harleysville Weather & Hourly Forecast

United States · Pennsylvania · 19438

64°F

Mostly clear night

Feels like: 65°F

💧 Humidity 81% 🌡 Pressure 30.06 inHg 💨 Wind 3 mph 👁 Visibility 19.3 mi ☁ Clouds 27% ☀️ UV index 0.0 · Low 🌅 Sunrise — 🌇 Sunset —

Hourly Forecast for Harleysville

Today

11:00 PM

Mostly clear night

64° 💧 0.001 in 💨 3 mph H 81%30.06 inHg

Tomorrow

2:00 AM

Clear night

62° 💧 0.000 in 💨 4 mph H 88%30.09 inHg

5:00 AM

Clear night

59° 💧 None 💨 6 mph H 89%30.09 inHg

8:00 AM

Sunny

62° 💧 None 💨 7 mph H 75%30.15 inHg

11:00 AM

Sunny

72° 💧 None 💨 6 mph H 46%30.18 inHg

2:00 PM

Sunny

77° 💧 None 💨 4 mph H 39%30.15 inHg

5:00 PM

Sunny

77° 💧 None 💨 3 mph H 39%30.15 inHg

8:00 PM

Clear night

68° 💧 None 💨 5 mph H 61%30.18 inHg

11:00 PM

Mostly clear night

64° 💧 None 💨 4 mph H 75%30.21 inHg

Tuesday

2:00 AM

Clear night

61° 💧 None 💨 4 mph H 76%30.24 inHg

5:00 AM

Mostly cloudy night

59° 💧 None 💨 3 mph H 83%30.24 inHg

8:00 AM

Partly cloudy

63° 💧 None 💨 4 mph H 78%30.30 inHg

11:00 AM

Sunny

76° 💧 None 💨 3 mph H 50%30.30 inHg

2:00 PM

Mostly sunny

80° 💧 None 💨 5 mph H 44%30.24 inHg

5:00 PM

Partly cloudy

81° 💧 None 💨 3 mph H 41%30.21 inHg

8:00 PM

Mostly cloudy night

73° 💧 None 💨 1 mph H 60%30.21 inHg

Today

11:00 PM

Mostly clear night

64° 💧 None 💨 3 mph H 81%30.06 inHg

Tomorrow

12:00 AM

Partly cloudy night

64° 💧 0.000 in 💨 5 mph H 83%30.09 inHg

1:00 AM

Clear night

63° 💧 0.001 in 💨 4 mph H 85%30.09 inHg

2:00 AM

Clear night

62° 💧 0.000 in 💨 4 mph H 88%30.09 inHg

3:00 AM

Clear night

61° 💧 None 💨 4 mph H 90%30.09 inHg

4:00 AM

Clear night

60° 💧 None 💨 4 mph H 90%30.09 inHg

5:00 AM

Clear night

59° 💧 None 💨 6 mph H 89%30.09 inHg

6:00 AM

Clear night

59° 💧 None 💨 7 mph H 85%30.12 inHg

7:00 AM

Sunny

59° 💧 None 💨 8 mph H 79%30.15 inHg

8:00 AM

Sunny

62° 💧 None 💨 7 mph H 75%30.15 inHg

9:00 AM

Sunny

66° 💧 None 💨 6 mph H 67%30.18 inHg

10:00 AM

Sunny

69° 💧 None 💨 7 mph H 55%30.18 inHg

11:00 AM

Sunny

72° 💧 None 💨 6 mph H 46%30.18 inHg

12:00 PM

Sunny

74° 💧 None 💨 5 mph H 41%30.18 inHg

1:00 PM

Sunny

76° 💧 None 💨 4 mph H 40%30.18 inHg

2:00 PM

Sunny

77° 💧 None 💨 4 mph H 39%30.15 inHg

3:00 PM

Sunny

78° 💧 None 💨 4 mph H 39%30.15 inHg

4:00 PM

Sunny

78° 💧 None 💨 4 mph H 39%30.15 inHg

5:00 PM

Sunny

77° 💧 None 💨 3 mph H 39%30.15 inHg

6:00 PM

Sunny

76° 💧 None 💨 3 mph H 44%30.15 inHg

7:00 PM

Sunny

72° 💧 None 💨 3 mph H 59%30.15 inHg

8:00 PM

Clear night

68° 💧 None 💨 5 mph H 61%30.18 inHg

9:00 PM

Clear night

67° 💧 None 💨 4 mph H 65%30.21 inHg

10:00 PM

Mostly clear night

65° 💧 None 💨 3 mph H 72%30.21 inHg

11:00 PM

Mostly clear night

64° 💧 None 💨 4 mph H 75%30.21 inHg

Tuesday

12:00 AM

Mostly cloudy night

62° 💧 None 💨 4 mph H 76%30.24 inHg

1:00 AM

Clear night

62° 💧 None 💨 4 mph H 75%30.24 inHg

2:00 AM

Clear night

61° 💧 None 💨 4 mph H 76%30.24 inHg

3:00 AM

Clear night

60° 💧 None 💨 4 mph H 78%30.24 inHg

4:00 AM

Mostly cloudy night

60° 💧 None 💨 3 mph H 80%30.21 inHg

5:00 AM

Mostly cloudy night

59° 💧 None 💨 3 mph H 83%30.24 inHg

6:00 AM

Mostly cloudy night

58° 💧 None 💨 3 mph H 86%30.27 inHg

7:00 AM

Mostly cloudy

58° 💧 None 💨 3 mph H 87%30.27 inHg

8:00 AM

Partly cloudy

63° 💧 None 💨 4 mph H 78%30.30 inHg

9:00 AM

Mostly sunny

69° 💧 None 💨 2 mph H 67%30.30 inHg

10:00 AM

Partly cloudy

73° 💧 None 💨 2 mph H 56%30.30 inHg

11:00 AM

Sunny

76° 💧 None 💨 3 mph H 50%30.30 inHg

12:00 PM

Sunny

77° 💧 None 💨 3 mph H 47%30.27 inHg

1:00 PM

Sunny

79° 💧 None 💨 5 mph H 46%30.27 inHg

2:00 PM

Mostly sunny

80° 💧 None 💨 5 mph H 44%30.24 inHg

3:00 PM

Mostly sunny

80° 💧 None 💨 5 mph H 42%30.24 inHg

4:00 PM

Partly cloudy

81° 💧 None 💨 4 mph H 41%30.21 inHg

5:00 PM

Partly cloudy

81° 💧 None 💨 3 mph H 41%30.21 inHg

6:00 PM

Mostly cloudy

80° 💧 None 💨 2 mph H 44%30.21 inHg

7:00 PM

Overcast

76° 💧 None 💨 1 mph H 60%30.21 inHg

8:00 PM

Mostly cloudy night

73° 💧 None 💨 1 mph H 60%30.21 inHg

9:00 PM

Mostly cloudy night

71° 💧 None 💨 1 mph H 60%30.24 inHg

10:00 PM

Clear night

69° 💧 None 💨 2 mph H 63%30.24 inHg

11:00 PM

Partly cloudy night

67° 💧 None 💨 4 mph H 69%30.24 inHg

Wednesday

12:00 AM

Clear night

66° 💧 None 💨 4 mph H 71%30.24 inHg

1:00 AM

Partly cloudy night

65° 💧 None 💨 4 mph H 75%30.24 inHg

2:00 AM

Partly cloudy night

65° 💧 None 💨 4 mph H 78%30.24 inHg

3:00 AM

Mostly clear night

64° 💧 None 💨 4 mph H 82%30.24 inHg

4:00 AM

Mostly clear night

64° 💧 None 💨 3 mph H 85%30.21 inHg

5:00 AM

Mostly cloudy night

63° 💧 None 💨 3 mph H 87%30.24 inHg

6:00 AM

Mostly cloudy night

63° 💧 None 💨 4 mph H 88%30.24 inHg

7:00 AM

Mostly cloudy

63° 💧 None 💨 4 mph H 88%30.24 inHg

8:00 AM

Mostly sunny

67° 💧 None 💨 5 mph H 78%30.24 inHg

5:00 PM

Sunny

85° 💧 None 💨 12 mph H 39%30.06 inHg

8:00 PM

Clear night

78° 💧 None 💨 10 mph H 51%30.03 inHg

11:00 PM

Mostly clear night

75° 💧 None 💨 11 mph H 66%30.00 inHg

Thursday

2:00 AM

Clear night

75° 💧 None 💨 12 mph H 72%29.94 inHg

5:00 AM

Clear night

73° 💧 None 💨 10 mph H 70%29.91 inHg

8:00 AM

Sunny

75° 💧 None 💨 6 mph H 68%29.91 inHg

11:00 AM

Sunny

85° 💧 None 💨 10 mph H 50%29.88 inHg

2:00 PM

Moderate rain

82° 💧 None 💨 12 mph H 65%29.83 inHg

5:00 PM

Heavy rain

81° 💧 None 💨 8 mph H 70%29.77 inHg

8:00 PM

Light rain

73° 💧 None 💨 3 mph H 98%29.80 inHg

11:00 PM

Partly cloudy night

71° 💧 None 💨 4 mph H 98%29.83 inHg

Friday

2:00 AM

Mostly clear night

69° 💧 None 💨 5 mph H 98%29.85 inHg

5:00 AM

Mostly cloudy night

66° 💧 None 💨 6 mph H 96%29.88 inHg

8:00 AM

Sunny

64° 💧 None 💨 8 mph H 94%29.94 inHg

11:00 AM

Sunny

70° 💧 None 💨 7 mph H 61%29.97 inHg

2:00 PM

Sunny

76° 💧 None 💨 4 mph H 44%29.97 inHg

5:00 PM

Sunny

76° 💧 None 💨 5 mph H 44%29.94 inHg

8:00 PM

Clear night

67° 💧 None 💨 4 mph H 68%29.97 inHg

11:00 PM

Clear night

62° 💧 None 💨 2 mph H 82%30.03 inHg

Saturday

2:00 AM

Clear night

59° 💧 None 💨 2 mph H 84%30.03 inHg

5:00 AM

Clear night

57° 💧 None 💨 1 mph H 85%30.03 inHg

8:00 AM

Overcast

61° 💧 None 💨 2 mph H 83%30.09 inHg

11:00 AM

Overcast

73° 💧 None 💨 2 mph H 60%30.09 inHg

2:00 PM

Mostly cloudy

79° 💧 None 💨 6 mph H 44%30.06 inHg

8:00 PM

Overcast night

78° 💧 None 💨 4 mph H 52%30.06 inHg

Sunday

2:00 AM

Overcast night

72° 💧 None 💨 4 mph H 70%30.03 inHg

8:00 AM

Sunny

65° 💧 None 💨 3 mph H 91%30.09 inHg

2:00 PM

Sunny

67° 💧 None 💨 1 mph H 88%30.09 inHg

8:00 PM

Partly cloudy night

84° 💧 None 💨 5 mph H 52%30.06 inHg

Monday

2:00 AM

Partly cloudy night

77° 💧 None 💨 2 mph H 68%30.03 inHg

8:00 AM

Mostly sunny

68° 💧 None 💨 3 mph H 87%30.06 inHg

2:00 PM

Partly cloudy

69° 💧 None 💨 4 mph H 85%30.12 inHg

8:00 PM

Partly cloudy night

86° 💧 None 💨 2 mph H 49%30.09 inHg

Tuesday

2:00 AM

Mostly cloudy night

81° 💧 None 💨 7 mph H 58%30.09 inHg

8:00 AM

Mostly sunny

71° 💧 None 💨 5 mph H 89%30.15 inHg

2:00 PM

Partly cloudy

72° 💧 None 💨 6 mph H 90%30.21 inHg

8:00 PM

Mostly clear night

90° 💧 None 💨 11 mph H 44%30.15 inHg

Wednesday

2:00 AM

Clear night

80° 💧 None 💨 10 mph H 66%30.15 inHg

8:00 AM

Sunny

73° 💧 None 💨 7 mph H 84%30.15 inHg

2:00 PM

Sunny

74° 💧 None 💨 3 mph H 89%30.18 inHg

8:00 PM

Mostly clear night

91° 💧 None 💨 3 mph H 47%30.15 inHg

Thursday

2:00 AM

Mostly cloudy night

81° 💧 None 💨 9 mph H 55%30.18 inHg

8:00 AM

Overcast

71° 💧 None 💨 9 mph H 57%30.24 inHg

2:00 PM

Sunny

65° 💧 None 💨 8 mph H 63%30.30 inHg

8:00 PM

Mostly clear night

81° 💧 None 💨 5 mph H 33%30.21 inHg

Friday

2:00 AM

Mostly cloudy night

74° 💧 None 💨 4 mph H 48%30.15 inHg

8:00 AM

Mostly sunny

64° 💧 None 💨 0 mph H 83%30.12 inHg

2:00 PM

Overcast

65° 💧 None 💨 3 mph H 80%30.06 inHg

8:00 PM

Partly cloudy night

77° 💧 None 💨 4 mph H 44%29.94 inHg

Saturday

2:00 AM

Partly cloudy night

73° 💧 None 💨 7 mph H 40%29.88 inHg

8:00 AM

Mostly sunny

62° 💧 None 💨 12 mph H 68%29.88 inHg

2:00 PM

Light rain

53° 💧 None 💨 12 mph H 84%29.97 inHg

8:00 PM

Light rain

56° 💧 None 💨 18 mph H 76%30.06 inHg

Sunday

2:00 AM

Light rain

52° 💧 None 💨 15 mph H 93%30.12 inHg

8:00 AM

Sunny

52° 💧 None 💨 11 mph H 62%30.18 inHg

2:00 PM

Sunny

51° 💧 None 💨 9 mph H 57%30.27 inHg

8:00 PM

Clear night

66° 💧 None 💨 8 mph H 35%30.27 inHg

Monday

2:00 AM

Clear night

57° 💧 None 💨 4 mph H 56%30.27 inHg

8:00 AM

Sunny

49° 💧 None 💨 3 mph H 81%30.33 inHg

2:00 PM

Sunny

52° 💧 None 💨 5 mph H 75%30.39 inHg

In Harleysville and, more broadly, across the state of Pennsylvania: This evening will feature a mix of sun and clouds, with temperatures remaining mild between 67 and 73 degrees Fahrenheit. Winds will be light, coming from the north at around 5 mph, with gusts reaching up to 7 mph. No precipitation is expected during the next few hours, so it should remain dry. Conditions are calm, making for a pleasant evening. Temperatures are expected to stay steady through the night, providing comfortable conditions for outdoor activities or relaxation. Overall, it looks like a mild and quiet evening with no significant weather changes expected.

15-Day Weather Outlook for Harleysville

Tuesday, Sep 8Tue Sep 8

Mostly sunny 81°/58° 💧 None 💨 5 mph

Wednesday, Sep 9Wed Sep 9

Mostly cloudy 87°/63° 💧 0.027 in 💨 12 mph

Thursday, Sep 10Thu Sep 10

Light rain 92°/75° 💧 0.024 in 💨 11 mph

Friday, Sep 11Fri Sep 11

Light rain 78°/67° 💧 0.329 in 💨 7 mph

Saturday, Sep 12Sat Sep 12

Partly cloudy 78°/59° 💧 None 💨 6 mph

Sunday, Sep 13Sun Sep 13

Overcast 84°/65° 💧 0.001 in 💨 5 mph

Monday, Sep 14Mon Sep 14

Partly cloudy 86°/68° 💧 0.001 in 💨 4 mph

Tuesday, Sep 15Tue Sep 15

Mostly sunny 90°/71° 💧 0.001 in 💨 11 mph

Wednesday, Sep 16Wed Sep 16

Mostly sunny 91°/73° 💧 0.001 in 💨 10 mph

Thursday, Sep 17Thu Sep 17

Mostly cloudy 81°/65° 💧 0.023 in 💨 9 mph

Friday, Sep 18Fri Sep 18

Partly cloudy 77°/64° 💧 None 💨 4 mph

Saturday, Sep 19Sat Sep 19

Light rain 73°/53° 💧 0.116 in 💨 18 mph

Sunday, Sep 20Sun Sep 20

Light rain 66°/51° 💧 0.232 in 💨 15 mph

Monday, Sep 21Mon Sep 21

Sunny 57°/49° 💧 None 💨 5 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Harleysville

Vertical axis: °F · Color based on temperature

AIR QUALITY FORECAST

Air Quality Forecast for Harleysville

Hourly forecast · Updated every 2 hours

Good

Nearest forecast value 11:00 PM

PM2.5 Fine particles Good 4,2µg/m³

Microscopic particles that can penetrate deep into the lungs. Elevated concentrations can especially affect children, older adults and people with respiratory conditions.

PM10 Particulate matter Good 6,5µg/m³

Includes dust, pollen and other airborne particles. High concentrations may irritate the respiratory system.

O₃ Ozone Good 50,5µg/m³

Ground-level ozone can irritate the eyes and respiratory system when concentrations are elevated.

NO₂ Nitrogen dioxide Good 6,7µg/m³

A gas emitted mainly by traffic and some industrial activity. High exposure can affect respiratory health.

Air quality is favorable for outdoor activities.

UV & HEALTH

UV, Sun & Health Outlook in Harleysville

Maximum daily UV Today, tomorrow and the following day show the maximum UV index forecast for each day.

0–2 Low 3–5 Moderate 6–7 High 8–10 Very high 11+ Extreme

Today UV 6,9High 😊Good

Tomorrow UV 6,7High 😐Moderate

Tuesday UV 6,4High 😐Moderate

Wednesday UV 6,6High 🙂Fair

Thursday UV 1,1Low 🙂Fair

Friday UV 6,0High —Unavailable

Saturday UV 5,0Moderate —Unavailable

Today's weather health advice Open today's recommendations.

Strong UV exposure

Protect exposed skin with SPF 30+ sunscreen, wear sunglasses, and try to limit direct midday sun.

Good air quality

Air quality is good and outdoor activities can be enjoyed normally.

Comfortable temperature conditions

Temperatures should feel comfortable for most people, with no particular heat or cold precautions needed.

Good conditions for outdoor activities

Outdoor activities can generally be enjoyed normally, with sun protection adjusted to the UV level.

WIND OUTLOOK

Hourly Wind Forecast for Harleysville

Vertical axis: mph · Horizontal axis: hours

Sustained wind Max gusts

NIGHT SKY · HARLEYSVILLE, PENNSYLVANIA

Tonight's Stargazing & Shooting Stars

Excellent observing conditions. Best local viewing window: 2:00 AM–3:00 AM.

98/100Best-hour score

BEST TIME TONIGHT 2:00 AM–3:00 AM Astronomical darkness: 8:59 PM–5:00 AM

☁ Cloud cover 1% Real hourly forecast for the best viewing hour.

☾ Moonlight 22% Waning Crescent · Moon below the horizon at the best viewing hour.

☄ Meteor activity September ε-Perseids Reference ZHR 8 · Radiant 54° high at the best hour.

✦ Estimated visible meteors 1–4/hour Local estimate after weather, moonlight and radiant-height adjustments.

Chance ≥1 meteor in 30 min74%

UPCOMING METEOR PERIODSStart, peak and end dates · weather should be checked closer to the peak.

SEP 5–SEP 21

September ε-PerseidsStart SEP 5 · Peak SEP 9 · End SEP 21 · ZHR 8 · 6% Moon at peak

ACTIVE NOW

SEP 20–NOV 20

Southern TauridsStart SEP 20 · Peak NOV 5 · End NOV 20 · ZHR 7 · 20% Moon at peak

UPCOMING

OCT 2–NOV 7

OrionidsStart OCT 2 · Peak OCT 21 · End NOV 7 · ZHR 20 · 77% Moon at peak

UPCOMING

OCT 20–DEC 10

Northern TauridsStart OCT 20 · Peak NOV 12 · End DEC 10 · ZHR 5 · 7% Moon at peak

UPCOMING

Experimental local observing estimate. Weather values come from the hourly forecast already used on this page. Moon position and astronomical darkness are calculated locally from time and coordinates. Meteor-shower ZHR describes ideal conditions and is not the number of meteors a person should expect to see locally.

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Forecast data for Harleysville were last refreshed today at 10:57 PM. The current forecast period extends through 08/09/2026 at 8:00 PM. Weather, air-quality and UV-index data are provided through WEATHER-INFO.COM. Forecasts are produced automatically from the latest available data and are subject to periodic technical checks. This service is intended for general weather information.