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Current weather in Swissvale is clear sky.

Where can I find the hourly weather forecast for Swissvale?

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

Is the weather forecast for Swissvale updated regularly?

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

Now · 8:24 PM

Swissvale Weather & Hourly Forecast

United States · Pennsylvania · 15218

62°F

Clear night

Feels like: 61°F

💧 Humidity 70% 🌡 Pressure 30.21 inHg 💨 Wind 3 mph 👁 Visibility 21.5 mi ☁ Clouds 2% ☀️ UV index 0.0 · Low 🌅 Sunrise — 🌇 Sunset —

Hourly Forecast for Swissvale

Today

9:00 PM

Clear night

61° 💧 None 💨 3 mph H 73%30.24 inHg

Tomorrow

12:00 AM

Mostly clear night

57° 💧 None 💨 3 mph H 87%30.27 inHg

3:00 AM

Mostly clear night

54° 💧 None 💨 3 mph H 88%30.27 inHg

6:00 AM

Clear night

55° 💧 None 💨 6 mph H 81%30.24 inHg

9:00 AM

Sunny

60° 💧 None 💨 4 mph H 73%30.27 inHg

12:00 PM

Sunny

73° 💧 None 💨 5 mph H 56%30.27 inHg

3:00 PM

Sunny

79° 💧 None 💨 6 mph H 52%30.21 inHg

6:00 PM

Sunny

79° 💧 None 💨 5 mph H 58%30.21 inHg

9:00 PM

Mostly clear night

71° 💧 None 💨 5 mph H 79%30.21 inHg

Wednesday

12:00 AM

Clear night

67° 💧 None 💨 5 mph H 79%30.24 inHg

3:00 AM

Clear night

65° 💧 None 💨 5 mph H 85%30.27 inHg

6:00 AM

Mostly clear night

64° 💧 None 💨 5 mph H 90%30.27 inHg

9:00 AM

Sunny

68° 💧 None 💨 2 mph H 81%30.33 inHg

12:00 PM

Sunny

79° 💧 None 💨 3 mph H 63%30.33 inHg

3:00 PM

Sunny

85° 💧 None 💨 3 mph H 54%30.27 inHg

6:00 PM

Sunny

85° 💧 None 💨 2 mph H 58%30.21 inHg

Today

9:00 PM

Clear night

61° 💧 None 💨 3 mph H 73%30.24 inHg

10:00 PM

Partly cloudy night

59° 💧 None 💨 3 mph H 79%30.24 inHg

11:00 PM

Partly cloudy night

58° 💧 None 💨 2 mph H 84%30.27 inHg

Tomorrow

12:00 AM

Mostly clear night

57° 💧 None 💨 3 mph H 87%30.27 inHg

1:00 AM

Clear night

56° 💧 None 💨 3 mph H 87%30.27 inHg

2:00 AM

Clear night

55° 💧 None 💨 3 mph H 88%30.27 inHg

3:00 AM

Mostly clear night

54° 💧 None 💨 3 mph H 88%30.27 inHg

4:00 AM

Clear night

54° 💧 None 💨 4 mph H 89%30.27 inHg

5:00 AM

Clear night

54° 💧 None 💨 5 mph H 85%30.24 inHg

6:00 AM

Clear night

55° 💧 None 💨 6 mph H 81%30.24 inHg

7:00 AM

Mostly sunny

54° 💧 None 💨 5 mph H 80%30.24 inHg

8:00 AM

Mostly sunny

57° 💧 None 💨 5 mph H 77%30.27 inHg

9:00 AM

Sunny

60° 💧 None 💨 4 mph H 73%30.27 inHg

10:00 AM

Sunny

65° 💧 None 💨 4 mph H 66%30.27 inHg

11:00 AM

Sunny

69° 💧 None 💨 4 mph H 61%30.27 inHg

12:00 PM

Sunny

73° 💧 None 💨 5 mph H 56%30.27 inHg

1:00 PM

Sunny

76° 💧 None 💨 6 mph H 54%30.24 inHg

2:00 PM

Sunny

78° 💧 None 💨 6 mph H 53%30.24 inHg

3:00 PM

Sunny

79° 💧 None 💨 6 mph H 52%30.21 inHg

4:00 PM

Sunny

80° 💧 None 💨 6 mph H 53%30.21 inHg

5:00 PM

Sunny

80° 💧 None 💨 6 mph H 54%30.18 inHg

6:00 PM

Sunny

79° 💧 None 💨 5 mph H 58%30.21 inHg

7:00 PM

Sunny

75° 💧 None 💨 4 mph H 69%30.21 inHg

8:00 PM

Clear night

72° 💧 None 💨 4 mph H 75%30.21 inHg

9:00 PM

Mostly clear night

71° 💧 None 💨 5 mph H 79%30.21 inHg

10:00 PM

Clear night

69° 💧 None 💨 6 mph H 81%30.21 inHg

11:00 PM

Clear night

68° 💧 None 💨 6 mph H 80%30.24 inHg

Wednesday

12:00 AM

Clear night

67° 💧 None 💨 5 mph H 79%30.24 inHg

1:00 AM

Clear night

66° 💧 None 💨 4 mph H 81%30.24 inHg

2:00 AM

Clear night

66° 💧 None 💨 4 mph H 83%30.27 inHg

3:00 AM

Clear night

65° 💧 None 💨 5 mph H 85%30.27 inHg

4:00 AM

Clear night

65° 💧 None 💨 5 mph H 87%30.24 inHg

5:00 AM

Clear night

64° 💧 None 💨 5 mph H 88%30.24 inHg

6:00 AM

Mostly clear night

64° 💧 None 💨 5 mph H 90%30.27 inHg

7:00 AM

Clear night

63° 💧 None 💨 3 mph H 90%30.27 inHg

8:00 AM

Sunny

65° 💧 None 💨 2 mph H 87%30.30 inHg

9:00 AM

Sunny

68° 💧 None 💨 2 mph H 81%30.33 inHg

10:00 AM

Mostly sunny

72° 💧 None 💨 2 mph H 74%30.33 inHg

11:00 AM

Mostly sunny

76° 💧 None 💨 3 mph H 68%30.33 inHg

12:00 PM

Sunny

79° 💧 None 💨 3 mph H 63%30.33 inHg

1:00 PM

Sunny

82° 💧 None 💨 3 mph H 59%30.30 inHg

2:00 PM

Sunny

84° 💧 None 💨 3 mph H 56%30.27 inHg

3:00 PM

Sunny

85° 💧 None 💨 3 mph H 54%30.27 inHg

4:00 PM

Sunny

86° 💧 None 💨 3 mph H 54%30.24 inHg

5:00 PM

Sunny

86° 💧 None 💨 3 mph H 55%30.24 inHg

6:00 PM

Sunny

85° 💧 None 💨 2 mph H 58%30.21 inHg

7:00 PM

Mostly sunny

81° 💧 None 💨 2 mph H 74%30.21 inHg

8:00 PM

Mostly clear night

78° 💧 None 💨 2 mph H 81%30.21 inHg

9:00 PM

Mostly clear night

77° 💧 None 💨 2 mph H 84%30.24 inHg

10:00 PM

Mostly clear night

76° 💧 None 💨 2 mph H 86%30.27 inHg

11:00 PM

Clear night

74° 💧 None 💨 2 mph H 88%30.24 inHg

Thursday

12:00 AM

Clear night

73° 💧 None 💨 2 mph H 91%30.24 inHg

1:00 AM

Clear night

72° 💧 None 💨 2 mph H 92%30.24 inHg

2:00 AM

Mostly clear night

71° 💧 None 💨 2 mph H 94%30.24 inHg

3:00 AM

Partly cloudy night

70° 💧 None 💨 3 mph H 97%30.21 inHg

4:00 AM

Mostly cloudy night

70° 💧 None 💨 3 mph H 97%30.21 inHg

5:00 AM

Mostly cloudy night

70° 💧 None 💨 4 mph H 96%30.21 inHg

6:00 AM

Partly cloudy night

70° 💧 None 💨 4 mph H 94%30.21 inHg

7:00 AM

Clear night

70° 💧 None 💨 5 mph H 93%30.21 inHg

8:00 AM

Sunny

71° 💧 None 💨 5 mph H 90%30.24 inHg

11:00 AM

Mostly sunny

81° 💧 None 💨 5 mph H 70%30.21 inHg

2:00 PM

Mostly cloudy

82° 💧 None 💨 6 mph H 72%30.18 inHg

5:00 PM

Mostly sunny

85° 💧 None 💨 6 mph H 63%30.09 inHg

8:00 PM

Mostly cloudy night

73° 💧 None 💨 4 mph H 98%30.12 inHg

11:00 PM

Partly cloudy night

72° 💧 None 💨 2 mph H 99%30.15 inHg

Friday

2:00 AM

Moderate rain

70° 💧 None 💨 4 mph H 99%30.15 inHg

5:00 AM

Mostly cloudy night

68° 💧 None 💨 7 mph H 98%30.15 inHg

8:00 AM

Overcast

67° 💧 None 💨 5 mph H 97%30.21 inHg

11:00 AM

Mostly cloudy

72° 💧 None 💨 7 mph H 77%30.21 inHg

2:00 PM

Mostly sunny

76° 💧 None 💨 6 mph H 61%30.18 inHg

5:00 PM

Sunny

76° 💧 None 💨 6 mph H 57%30.12 inHg

8:00 PM

Clear night

68° 💧 None 💨 5 mph H 77%30.15 inHg

11:00 PM

Mostly clear night

65° 💧 None 💨 7 mph H 81%30.18 inHg

Saturday

2:00 AM

Overcast night

64° 💧 None 💨 8 mph H 77%30.15 inHg

5:00 AM

Partly cloudy night

63° 💧 None 💨 7 mph H 70%30.12 inHg

8:00 AM

Overcast

63° 💧 None 💨 6 mph H 73%30.12 inHg

11:00 AM

Mostly cloudy

68° 💧 None 💨 6 mph H 68%30.12 inHg

2:00 PM

Overcast

70° 💧 None 💨 6 mph H 73%30.09 inHg

5:00 PM

Mostly sunny

71° 💧 None 💨 5 mph H 78%30.00 inHg

8:00 PM

Overcast night

70° 💧 None 💨 3 mph H 85%30.00 inHg

11:00 PM

Partly cloudy night

71° 💧 None 💨 8 mph H 80%29.97 inHg

Sunday

2:00 AM

Clear night

69° 💧 None 💨 7 mph H 86%29.97 inHg

5:00 AM

Mostly clear night

69° 💧 None 💨 7 mph H 88%29.94 inHg

8:00 AM

Mostly sunny

70° 💧 None 💨 8 mph H 85%29.94 inHg

2:00 PM

Sunny

85° 💧 None 💨 9 mph H 63%29.85 inHg

8:00 PM

Partly cloudy night

70° 💧 None 💨 1 mph H 99%29.88 inHg

Monday

2:00 AM

Light rain

68° 💧 None 💨 2 mph H 100%29.91 inHg

8:00 AM

Moderate rain

68° 💧 None 💨 0 mph H 99%29.94 inHg

2:00 PM

Light rain

70° 💧 None 💨 2 mph H 95%29.91 inHg

8:00 PM

Light rain

66° 💧 None 💨 9 mph H 98%29.91 inHg

Tuesday

2:00 AM

Overcast night

60° 💧 None 💨 8 mph H 85%30.00 inHg

8:00 AM

Partly cloudy

55° 💧 None 💨 8 mph H 78%30.09 inHg

2:00 PM

Partly cloudy

69° 💧 None 💨 9 mph H 58%30.15 inHg

8:00 PM

Partly cloudy night

61° 💧 None 💨 8 mph H 66%30.21 inHg

Wednesday

2:00 AM

Mostly clear night

54° 💧 None 💨 8 mph H 79%30.33 inHg

8:00 AM

Mostly sunny

52° 💧 None 💨 7 mph H 83%30.42 inHg

2:00 PM

Sunny

69° 💧 None 💨 9 mph H 51%30.39 inHg

8:00 PM

Mostly clear night

62° 💧 None 💨 8 mph H 65%30.39 inHg

Thursday

2:00 AM

Clear night

54° 💧 None 💨 6 mph H 83%30.45 inHg

8:00 AM

Sunny

52° 💧 None 💨 7 mph H 83%30.50 inHg

2:00 PM

Sunny

67° 💧 None 💨 8 mph H 54%30.45 inHg

8:00 PM

Clear night

60° 💧 None 💨 7 mph H 71%30.42 inHg

Friday

2:00 AM

Clear night

53° 💧 None 💨 6 mph H 86%30.42 inHg

8:00 AM

Sunny

52° 💧 None 💨 5 mph H 91%30.45 inHg

2:00 PM

Sunny

70° 💧 None 💨 4 mph H 57%30.36 inHg

8:00 PM

Clear night

64° 💧 None 💨 5 mph H 77%30.30 inHg

Saturday

2:00 AM

Mostly clear night

57° 💧 None 💨 4 mph H 85%30.30 inHg

8:00 AM

Mostly cloudy

56° 💧 None 💨 4 mph H 91%30.30 inHg

2:00 PM

Partly cloudy

75° 💧 None 💨 4 mph H 54%30.24 inHg

8:00 PM

Overcast night

68° 💧 None 💨 3 mph H 77%30.18 inHg

Sunday

2:00 AM

Mostly cloudy night

60° 💧 None 💨 4 mph H 85%30.18 inHg

8:00 AM

Mostly cloudy

60° 💧 None 💨 5 mph H 91%30.18 inHg

2:00 PM

Overcast

76° 💧 None 💨 6 mph H 58%30.09 inHg

8:00 PM

Overcast night

69° 💧 None 💨 5 mph H 79%30.06 inHg

Monday

2:00 AM

Overcast night

66° 💧 None 💨 6 mph H 86%30.03 inHg

8:00 AM

Overcast

66° 💧 None 💨 6 mph H 91%30.06 inHg

2:00 PM

Light rain

79° 💧 None 💨 6 mph H 64%30.00 inHg

8:00 PM

Overcast night

73° 💧 None 💨 6 mph H 78%29.97 inHg

Tuesday

2:00 AM

Heavy rain

66° 💧 None 💨 5 mph H 98%29.97 inHg

8:00 AM

Partly cloudy

66° 💧 None 💨 2 mph H 99%29.97 inHg

In Swissvale and, more broadly, across the state of Pennsylvania: Clear skies will persist through the evening, with temperatures remaining mild, ranging from 62 to 68 degrees Fahrenheit. Light northeast winds at around 5 mph will be felt, with occasional gusts also reaching 5 mph. No rain is expected tonight, providing a calm and comfortable night. Conditions will remain tranquil as the night progresses, making it a good opportunity for outdoor activities or a relaxing evening indoors. Temperatures are expected to stay within this mild range throughout the next few hours, with no significant changes in weather conditions anticipated.

15-Day Weather Outlook for Swissvale

TomorrowTomorrow

Mostly sunny 80°/54° 💧 None 💨 6 mph

Wednesday, Sep 16Wed Sep 16

Mostly sunny 86°/63° 💧 None 💨 5 mph

Thursday, Sep 17Thu Sep 17

Partly cloudy 85°/70° 💧 0.278 in 💨 6 mph

Friday, Sep 18Fri Sep 18

Moderate rain 76°/65° 💧 0.279 in 💨 7 mph

Saturday, Sep 19Sat Sep 19

Mostly sunny 71°/63° 💧 0.004 in 💨 8 mph

Sunday, Sep 20Sun Sep 20

Mostly sunny 85°/69° 💧 0.287 in 💨 9 mph

Monday, Sep 21Mon Sep 21

Moderate rain 70°/66° 💧 0.906 in 💨 9 mph

Tuesday, Sep 22Tue Sep 22

Overcast 69°/55° 💧 0.022 in 💨 9 mph

Wednesday, Sep 23Wed Sep 23

Mostly sunny 69°/52° 💧 None 💨 9 mph

Thursday, Sep 24Thu Sep 24

Sunny 67°/52° 💧 None 💨 8 mph

Friday, Sep 25Fri Sep 25

Sunny 70°/52° 💧 None 💨 6 mph

Saturday, Sep 26Sat Sep 26

Mostly sunny 75°/56° 💧 None 💨 4 mph

Sunday, Sep 27Sun Sep 27

Mostly cloudy 76°/60° 💧 None 💨 6 mph

Monday, Sep 28Mon Sep 28

Light rain 79°/66° 💧 0.013 in 💨 6 mph

Tuesday, Sep 29Tue Sep 29

Heavy rain 66°/66° 💧 0.529 in 💨 5 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Swissvale

Vertical axis: °F · Color based on temperature

AIR QUALITY FORECAST

Air Quality Forecast for Swissvale

Hourly forecast · Updated every 2 hours

Good

Nearest forecast value 9:00 PM

PM2.5 Fine particles Good 5,0µg/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 5,4µg/m³

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

O₃ Ozone Good 58,7µg/m³

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

NO₂ Nitrogen dioxide Good 4,5µg/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 Swissvale

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 6,1High 😊Good

Tomorrow UV 6,4High 🙂Fair

Wednesday UV 6,7High 🙂Fair

Thursday UV 6,0High 😐Moderate

Friday UV 6,0High 🙂Fair

Saturday UV 7,0High —Unavailable

Sunday UV 6,0High —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 Swissvale

Vertical axis: mph · Horizontal axis: hours

Sustained wind Max gusts

NIGHT SKY · SWISSVALE, PENNSYLVANIA

Tonight's Stargazing & Shooting Stars

Excellent observing conditions. Best local viewing window: 4:00 AM–5:00 AM.

95/100Best-hour score

BEST TIME TONIGHT 4:00 AM–5:00 AM Astronomical darkness: 9:03 PM–5:28 AM

☁ Cloud cover 5% Real hourly forecast for the best viewing hour.

☾ Moonlight 13% Waxing Crescent · Moon below the horizon at the best viewing hour.

☄ Meteor activity September ε-Perseids Reference ZHR 8 · Radiant 80° high at the best hour.

✦ Estimated visible meteors 2–5/hour Local estimate after weather, moonlight and radiant-height adjustments.

Chance ≥1 meteor in 30 min79%

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.

DISCOVER WEATHER NEARBY Weather in other cities

Explore current conditions and forecasts for other locations.

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Forecast data for Swissvale were last refreshed today at 8:24 PM. The current forecast period extends through 16/09/2026 at 6:00 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.