What is the weather in Heidelberg right now?

Current weather in Heidelberg is overcast clouds.

Where can I find the hourly weather forecast for Heidelberg?

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

Is the weather forecast for Heidelberg updated regularly?

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

Now · 1:54 PM

Heidelberg Weather & Hourly Forecast

United States · Pennsylvania · 15106

81°F

Overcast

Feels like: 83°F

💧 Humidity 61% 🌡 Pressure 29.88 inHg 💨 Wind 6 mph 👁 Visibility 10.1 mi ☁ Clouds 100% ☀️ UV index 3.0 · Moderate 🌅 Sunrise — 🌇 Sunset —

Hourly Forecast for Heidelberg

Today

2:00 PM

Overcast

81° 💧 0.043 in 💨 6 mph H 61%29.88 inHg

5:00 PM

Light rain

79° 💧 0.005 in 💨 6 mph H 59%29.85 inHg

8:00 PM

Mostly clear night

73° 💧 None 💨 6 mph H 68%29.88 inHg

11:00 PM

Clear night

67° 💧 None 💨 7 mph H 78%29.94 inHg

Tomorrow

2:00 AM

Clear night

62° 💧 None 💨 5 mph H 86%29.97 inHg

5:00 AM

Clear night

60° 💧 None 💨 5 mph H 90%29.97 inHg

8:00 AM

Sunny

61° 💧 None 💨 5 mph H 88%30.03 inHg

11:00 AM

Sunny

70° 💧 None 💨 6 mph H 66%30.03 inHg

2:00 PM

Partly cloudy

77° 💧 None 💨 7 mph H 49%30.00 inHg

5:00 PM

Overcast

77° 💧 None 💨 6 mph H 46%30.00 inHg

8:00 PM

Clear night

70° 💧 None 💨 3 mph H 67%30.00 inHg

11:00 PM

Clear night

66° 💧 None 💨 6 mph H 74%30.09 inHg

Monday

2:00 AM

Clear night

63° 💧 None 💨 7 mph H 81%30.12 inHg

5:00 AM

Clear night

60° 💧 None 💨 5 mph H 87%30.15 inHg

8:00 AM

Sunny

60° 💧 None 💨 4 mph H 87%30.18 inHg

11:00 AM

Sunny

71° 💧 None 💨 3 mph H 62%30.21 inHg

Today

2:00 PM

Overcast

81° 💧 0.001 in 💨 6 mph H 61%29.88 inHg

3:00 PM

Light rain

76° 💧 0.035 in 💨 7 mph H 78%29.88 inHg

4:00 PM

Light rain

79° 💧 0.007 in 💨 6 mph H 64%29.88 inHg

5:00 PM

Light rain

79° 💧 0.005 in 💨 6 mph H 59%29.85 inHg

6:00 PM

Mostly sunny

79° 💧 None 💨 6 mph H 57%29.85 inHg

7:00 PM

Mostly sunny

76° 💧 None 💨 6 mph H 63%29.88 inHg

8:00 PM

Mostly clear night

73° 💧 None 💨 6 mph H 68%29.88 inHg

9:00 PM

Clear night

71° 💧 None 💨 7 mph H 73%29.91 inHg

10:00 PM

Clear night

69° 💧 None 💨 8 mph H 75%29.94 inHg

11:00 PM

Clear night

67° 💧 None 💨 7 mph H 78%29.94 inHg

Tomorrow

12:00 AM

Clear night

65° 💧 None 💨 6 mph H 80%29.94 inHg

1:00 AM

Clear night

63° 💧 None 💨 5 mph H 84%29.97 inHg

2:00 AM

Clear night

62° 💧 None 💨 5 mph H 86%29.97 inHg

3:00 AM

Clear night

61° 💧 None 💨 5 mph H 88%29.97 inHg

4:00 AM

Clear night

60° 💧 None 💨 5 mph H 89%29.97 inHg

5:00 AM

Clear night

60° 💧 None 💨 5 mph H 90%29.97 inHg

6:00 AM

Clear night

60° 💧 None 💨 6 mph H 91%29.97 inHg

7:00 AM

Sunny

59° 💧 None 💨 6 mph H 92%30.00 inHg

8:00 AM

Sunny

61° 💧 None 💨 5 mph H 88%30.03 inHg

9:00 AM

Sunny

64° 💧 None 💨 5 mph H 82%30.03 inHg

10:00 AM

Sunny

67° 💧 None 💨 6 mph H 74%30.03 inHg

11:00 AM

Sunny

70° 💧 None 💨 6 mph H 66%30.03 inHg

12:00 PM

Sunny

73° 💧 None 💨 6 mph H 59%30.03 inHg

1:00 PM

Sunny

75° 💧 None 💨 7 mph H 55%30.03 inHg

2:00 PM

Partly cloudy

77° 💧 None 💨 7 mph H 49%30.00 inHg

3:00 PM

Partly cloudy

77° 💧 None 💨 7 mph H 48%30.00 inHg

4:00 PM

Partly cloudy

77° 💧 None 💨 7 mph H 47%30.00 inHg

5:00 PM

Overcast

77° 💧 None 💨 6 mph H 46%30.00 inHg

6:00 PM

Partly cloudy

75° 💧 None 💨 6 mph H 51%30.00 inHg

7:00 PM

Sunny

73° 💧 None 💨 2 mph H 63%30.00 inHg

8:00 PM

Clear night

70° 💧 None 💨 3 mph H 67%30.00 inHg

9:00 PM

Clear night

68° 💧 None 💨 5 mph H 70%30.03 inHg

10:00 PM

Mostly clear night

67° 💧 None 💨 6 mph H 72%30.06 inHg

11:00 PM

Clear night

66° 💧 None 💨 6 mph H 74%30.09 inHg

Monday

12:00 AM

Clear night

65° 💧 None 💨 7 mph H 76%30.09 inHg

1:00 AM

Clear night

64° 💧 None 💨 7 mph H 79%30.09 inHg

2:00 AM

Clear night

63° 💧 None 💨 7 mph H 81%30.12 inHg

3:00 AM

Clear night

62° 💧 None 💨 7 mph H 83%30.12 inHg

4:00 AM

Clear night

61° 💧 None 💨 6 mph H 85%30.12 inHg

5:00 AM

Clear night

60° 💧 None 💨 5 mph H 87%30.15 inHg

6:00 AM

Clear night

59° 💧 None 💨 5 mph H 89%30.15 inHg

7:00 AM

Sunny

58° 💧 None 💨 4 mph H 91%30.18 inHg

8:00 AM

Sunny

60° 💧 None 💨 4 mph H 87%30.18 inHg

9:00 AM

Sunny

64° 💧 None 💨 3 mph H 79%30.18 inHg

10:00 AM

Sunny

68° 💧 None 💨 3 mph H 69%30.18 inHg

11:00 AM

Sunny

71° 💧 None 💨 3 mph H 62%30.21 inHg

12:00 PM

Sunny

75° 💧 None 💨 3 mph H 55%30.21 inHg

1:00 PM

Partly cloudy

76° 💧 None 💨 4 mph H 49%30.21 inHg

2:00 PM

Mostly cloudy

77° 💧 None 💨 3 mph H 48%30.18 inHg

3:00 PM

Sunny

78° 💧 None 💨 3 mph H 47%30.15 inHg

4:00 PM

Sunny

78° 💧 None 💨 3 mph H 47%30.15 inHg

5:00 PM

Sunny

78° 💧 None 💨 3 mph H 46%30.15 inHg

6:00 PM

Mostly sunny

77° 💧 None 💨 3 mph H 47%30.15 inHg

7:00 PM

Partly cloudy

74° 💧 None 💨 3 mph H 59%30.15 inHg

8:00 PM

Clear night

70° 💧 None 💨 3 mph H 68%30.18 inHg

Tuesday

5:00 AM

Mostly clear night

60° 💧 None 💨 2 mph H 88%30.21 inHg

8:00 AM

Sunny

64° 💧 None 💨 4 mph H 83%30.24 inHg

11:00 AM

Mostly sunny

75° 💧 None 💨 3 mph H 58%30.27 inHg

2:00 PM

Partly cloudy

83° 💧 None 💨 5 mph H 45%30.21 inHg

5:00 PM

Partly cloudy

83° 💧 None 💨 4 mph H 41%30.18 inHg

8:00 PM

Mostly clear night

74° 💧 None 💨 4 mph H 64%30.18 inHg

11:00 PM

Partly cloudy night

69° 💧 None 💨 3 mph H 73%30.21 inHg

Wednesday

2:00 AM

Mostly cloudy night

66° 💧 None 💨 4 mph H 79%30.15 inHg

5:00 AM

Mostly cloudy night

68° 💧 None 💨 5 mph H 75%30.15 inHg

8:00 AM

Overcast

68° 💧 None 💨 6 mph H 76%30.15 inHg

11:00 AM

Overcast

78° 💧 None 💨 7 mph H 61%30.15 inHg

2:00 PM

Light rain

86° 💧 None 💨 12 mph H 47%30.06 inHg

5:00 PM

Partly cloudy

86° 💧 None 💨 9 mph H 48%29.97 inHg

8:00 PM

Clear night

81° 💧 None 💨 8 mph H 60%29.97 inHg

11:00 PM

Mostly clear night

78° 💧 None 💨 10 mph H 64%29.94 inHg

Thursday

2:00 AM

Light rain

71° 💧 None 💨 5 mph H 92%29.97 inHg

5:00 AM

Partly cloudy night

70° 💧 None 💨 6 mph H 95%29.94 inHg

8:00 AM

Overcast

70° 💧 None 💨 7 mph H 94%29.94 inHg

11:00 AM

Light rain

72° 💧 None 💨 9 mph H 88%29.97 inHg

2:00 PM

Light rain

73° 💧 None 💨 7 mph H 86%29.94 inHg

5:00 PM

Overcast

71° 💧 None 💨 7 mph H 95%29.88 inHg

8:00 PM

Overcast night

69° 💧 None 💨 5 mph H 97%29.88 inHg

11:00 PM

Clear night

65° 💧 None 💨 3 mph H 98%29.94 inHg

Friday

2:00 AM

Clear night

61° 💧 None 💨 3 mph H 98%29.94 inHg

8:00 AM

Mostly sunny

63° 💧 None 💨 3 mph H 91%29.85 inHg

2:00 PM

Sunny

61° 💧 None 💨 6 mph H 83%29.94 inHg

8:00 PM

Partly cloudy night

72° 💧 None 💨 9 mph H 45%29.94 inHg

Saturday

2:00 AM

Clear night

66° 💧 None 💨 6 mph H 55%29.94 inHg

8:00 AM

Mostly cloudy

56° 💧 None 💨 3 mph H 84%30.00 inHg

2:00 PM

Overcast

56° 💧 None 💨 3 mph H 86%30.03 inHg

8:00 PM

Clear night

75° 💧 None 💨 2 mph H 40%29.97 inHg

Sunday

2:00 AM

Clear night

69° 💧 None 💨 3 mph H 62%29.91 inHg

8:00 AM

Mostly cloudy

65° 💧 None 💨 7 mph H 84%29.88 inHg

2:00 PM

Mostly sunny

68° 💧 None 💨 7 mph H 78%29.88 inHg

8:00 PM

Overcast night

87° 💧 None 💨 12 mph H 38%29.83 inHg

Monday

2:00 AM

Overcast night

72° 💧 None 💨 4 mph H 82%29.88 inHg

8:00 AM

Mostly sunny

59° 💧 None 💨 3 mph H 89%30.00 inHg

2:00 PM

Sunny

57° 💧 None 💨 5 mph H 84%30.09 inHg

8:00 PM

Mostly clear night

71° 💧 None 💨 8 mph H 40%30.09 inHg

Tuesday

2:00 AM

Clear night

63° 💧 None 💨 7 mph H 48%30.15 inHg

8:00 AM

Sunny

56° 💧 None 💨 1 mph H 78%30.21 inHg

2:00 PM

Sunny

55° 💧 None 💨 1 mph H 83%30.30 inHg

8:00 PM

Clear night

73° 💧 None 💨 3 mph H 34%30.27 inHg

Wednesday

2:00 AM

Clear night

66° 💧 None 💨 6 mph H 46%30.27 inHg

8:00 AM

Sunny

58° 💧 None 💨 1 mph H 77%30.30 inHg

2:00 PM

Mostly sunny

57° 💧 None 💨 2 mph H 92%30.39 inHg

8:00 PM

Mostly clear night

79° 💧 None 💨 2 mph H 33%30.33 inHg

Thursday

2:00 AM

Mostly clear night

73° 💧 None 💨 2 mph H 50%30.30 inHg

8:00 AM

Mostly sunny

63° 💧 None 💨 4 mph H 73%30.30 inHg

2:00 PM

Mostly cloudy

62° 💧 None 💨 5 mph H 74%30.30 inHg

8:00 PM

Overcast night

84° 💧 None 💨 11 mph H 27%30.18 inHg

Friday

2:00 AM

Overcast night

77° 💧 None 💨 9 mph H 42%30.03 inHg

8:00 AM

Partly cloudy

73° 💧 None 💨 6 mph H 49%29.97 inHg

2:00 PM

Mostly sunny

67° 💧 None 💨 5 mph H 70%29.97 inHg

8:00 PM

Clear night

77° 💧 None 💨 9 mph H 43%29.97 inHg

Saturday

2:00 AM

Clear night

64° 💧 None 💨 9 mph H 61%30.03 inHg

8:00 AM

Overcast

58° 💧 None 💨 6 mph H 69%30.06 inHg

2:00 PM

Mostly cloudy

57° 💧 None 💨 4 mph H 68%30.09 inHg

8:00 PM

Partly cloudy night

69° 💧 None 💨 4 mph H 40%30.00 inHg

Sunday

2:00 AM

Overcast night

67° 💧 None 💨 3 mph H 47%29.97 inHg

In Heidelberg and, more broadly, across the state of Pennsylvania: The rest of the day will see a mix of sun and clouds, with temperatures remaining mild, ranging from 67 to 74 degrees Fahrenheit. Light winds from the north, with maximum speeds around 9 mph, will occasionally gust up to 23 mph. No precipitation is expected, making for generally dry conditions throughout the afternoon. The weather will be comfortable, with a gentle breeze adding a touch of coolness to the mild temperatures. Overall, it should be a pleasant day with partly sunny skies and no need for rain gear.

15-Day Weather Outlook for Heidelberg

TomorrowTomorrow

Mostly sunny 77°/59° 💧 None 💨 8 mph

Monday, Sep 7Mon Sep 7

Mostly sunny 78°/58° 💧 None 💨 7 mph

Tuesday, Sep 8Tue Sep 8

Mostly sunny 83°/60° 💧 0.043 in 💨 5 mph

Wednesday, Sep 9Wed Sep 9

Light rain 86°/66° 💧 0.020 in 💨 12 mph

Thursday, Sep 10Thu Sep 10

Light rain 81°/70° 💧 0.195 in 💨 10 mph

Friday, Sep 11Fri Sep 11

Mostly sunny 69°/61° 💧 0.023 in 💨 6 mph

Saturday, Sep 12Sat Sep 12

Partly cloudy 72°/56° 💧 None 💨 9 mph

Sunday, Sep 13Sun Sep 13

Mostly cloudy 75°/65° 💧 None 💨 7 mph

Monday, Sep 14Mon Sep 14

Overcast 87°/57° 💧 0.022 in 💨 12 mph

Tuesday, Sep 15Tue Sep 15

Mostly sunny 71°/55° 💧 None 💨 8 mph

Wednesday, Sep 16Wed Sep 16

Mostly sunny 73°/57° 💧 None 💨 6 mph

Thursday, Sep 17Thu Sep 17

Mostly sunny 79°/62° 💧 None 💨 5 mph

Friday, Sep 18Fri Sep 18

Mostly sunny 84°/67° 💧 0.007 in 💨 11 mph

Saturday, Sep 19Sat Sep 19

Overcast 77°/57° 💧 0.005 in 💨 9 mph

Sunday, Sep 20Sun Sep 20

Partly cloudy 69°/67° 💧 None 💨 4 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Heidelberg

Vertical axis: °F · Color based on temperature

AIR QUALITY FORECAST

Air Quality Forecast for Heidelberg

Hourly forecast · Updated every 2 hours

Good

Nearest forecast value 2:00 PM

PM2.5 Fine particles Good 7,5µg/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 7,7µg/m³

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

O₃ Ozone Good 49,9µg/m³

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

NO₂ Nitrogen dioxide Good 2,2µg/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 Heidelberg

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 5,2Moderate 😊Good

Tomorrow UV 7,3High 🙂Fair

Monday UV 7,0High 🙂Fair

Tuesday UV 7,1High 🙂Fair

Wednesday UV 7,0High 🙂Fair

Thursday UV 6,0High —Unavailable

Friday UV 6,0High —Unavailable

Hourly UV index today

2:00 PMUV 5,2 3:00 PMUV 4,7 4:00 PMUV 3,2 5:00 PMUV 1,9 6:00 PMUV 0,8 7:00 PMUV 0,2

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

Moderate UV risk

Sunglasses and sun protection are recommended for prolonged exposure.

Good air quality

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

Stay hydrated

Drink water regularly, especially during physical activity or prolonged sun exposure.

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 Heidelberg

Vertical axis: mph · Horizontal axis: hours

Sustained wind Max gusts

NIGHT SKY · HEIDELBERG, PENNSYLVANIA

Tonight's Stargazing & Shooting Stars

Excellent observing conditions. Best local viewing window: 1:00 AM–2:00 AM.

100/100Best-hour score

BEST TIME TONIGHT 1:00 AM–2:00 AM Astronomical darkness: 9:20 PM–5:18 AM

☁ Cloud cover 0% Real hourly forecast for the best viewing hour.

☾ Moonlight 32% Last Quarter · Moon below the horizon at the best viewing hour.

☄ Meteor activity September ε-Perseids Reference ZHR 8 · Radiant 40° high at the best hour.

✦ Estimated visible meteors 1–3/hour Local estimate after weather, moonlight and radiant-height adjustments.

Chance ≥1 meteor in 30 min66%

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

AUG 28–SEP 5

AurigidsStart AUG 28 · Peak SEP 1 · End SEP 5 · ZHR 6 · 80% Moon at peak

ACTIVE NOW

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

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 Heidelberg were last refreshed today at 1:54 PM. The current forecast period extends through 07/09/2026 at 11:00 AM. 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.