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Current weather in Sewickley is overcast clouds.

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

Is the weather forecast for Sewickley updated regularly?

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

Now · 10:54 AM

Sewickley Weather & Hourly Forecast

United States · Pennsylvania · 15143

60°F

Overcast

Feels like: 57°F

💧 Humidity 94% 🌡 Pressure 30.15 inHg 💨 Wind 11 mph 👁 Visibility 5.2 mi ☁ Clouds 100% ☀️ UV index 0.3 · Low 🌅 Sunrise 7:07 AM 🌇 Sunset 7:19 PM

Hourly Forecast for Sewickley

Today

11:00 AM

Overcast

60° 💧 0.018 in 💨 11 mph H 94%30.15 inHg

2:00 PM

Light rain

60° 💧 0.037 in 💨 11 mph H 90%30.18 inHg

5:00 PM

Light rain

59° 💧 0.051 in 💨 12 mph H 95%30.18 inHg

8:00 PM

Light rain

56° 💧 0.011 in 💨 11 mph H 94%30.24 inHg

11:00 PM

Overcast night

56° 💧 None 💨 10 mph H 85%30.27 inHg

Tomorrow

2:00 AM

Overcast night

58° 💧 None 💨 10 mph H 77%30.27 inHg

5:00 AM

Overcast night

57° 💧 0.001 in 💨 10 mph H 77%30.27 inHg

8:00 AM

Mostly cloudy

57° 💧 None 💨 10 mph H 73%30.33 inHg

11:00 AM

Mostly cloudy

60° 💧 None 💨 11 mph H 66%30.36 inHg

2:00 PM

Mostly sunny

64° 💧 None 💨 10 mph H 49%30.33 inHg

5:00 PM

Partly cloudy

65° 💧 None 💨 10 mph H 52%30.30 inHg

8:00 PM

Partly cloudy night

59° 💧 None 💨 9 mph H 67%30.33 inHg

11:00 PM

Overcast night

57° 💧 None 💨 10 mph H 72%30.36 inHg

Thursday

2:00 AM

Overcast night

55° 💧 None 💨 8 mph H 73%30.36 inHg

5:00 AM

Overcast night

53° 💧 None 💨 8 mph H 76%30.36 inHg

8:00 AM

Mostly cloudy

51° 💧 None 💨 8 mph H 81%30.39 inHg

Today

11:00 AM

Overcast

60° 💧 0.003 in 💨 11 mph H 94%30.15 inHg

12:00 PM

Light rain

60° 💧 0.006 in 💨 11 mph H 92%30.18 inHg

1:00 PM

Light rain

60° 💧 0.009 in 💨 10 mph H 90%30.18 inHg

2:00 PM

Light rain

60° 💧 0.010 in 💨 11 mph H 90%30.18 inHg

3:00 PM

Light rain

60° 💧 0.006 in 💨 12 mph H 88%30.18 inHg

4:00 PM

Light rain

60° 💧 0.021 in 💨 12 mph H 93%30.18 inHg

5:00 PM

Light rain

59° 💧 0.023 in 💨 12 mph H 95%30.18 inHg

6:00 PM

Light rain

58° 💧 0.016 in 💨 12 mph H 95%30.21 inHg

7:00 PM

Light rain

57° 💧 0.012 in 💨 11 mph H 94%30.21 inHg

8:00 PM

Light rain

56° 💧 0.005 in 💨 11 mph H 94%30.24 inHg

9:00 PM

Overcast night

56° 💧 0.004 in 💨 11 mph H 93%30.27 inHg

10:00 PM

Overcast night

56° 💧 0.002 in 💨 11 mph H 90%30.27 inHg

11:00 PM

Overcast night

56° 💧 None 💨 10 mph H 85%30.27 inHg

Tomorrow

12:00 AM

Overcast night

57° 💧 None 💨 10 mph H 81%30.27 inHg

1:00 AM

Overcast night

57° 💧 None 💨 10 mph H 78%30.27 inHg

2:00 AM

Overcast night

58° 💧 None 💨 10 mph H 77%30.27 inHg

3:00 AM

Overcast night

58° 💧 None 💨 10 mph H 77%30.27 inHg

4:00 AM

Overcast night

58° 💧 None 💨 10 mph H 76%30.27 inHg

5:00 AM

Overcast night

57° 💧 0.000 in 💨 10 mph H 77%30.27 inHg

6:00 AM

Overcast night

57° 💧 None 💨 10 mph H 77%30.30 inHg

7:00 AM

Overcast night

57° 💧 0.001 in 💨 11 mph H 76%30.33 inHg

8:00 AM

Mostly cloudy

57° 💧 None 💨 10 mph H 73%30.33 inHg

9:00 AM

Overcast

57° 💧 None 💨 11 mph H 69%30.36 inHg

10:00 AM

Mostly cloudy

58° 💧 None 💨 11 mph H 68%30.36 inHg

11:00 AM

Mostly cloudy

60° 💧 None 💨 11 mph H 66%30.36 inHg

12:00 PM

Mostly cloudy

62° 💧 None 💨 12 mph H 60%30.36 inHg

1:00 PM

Mostly sunny

63° 💧 None 💨 11 mph H 52%30.33 inHg

2:00 PM

Mostly sunny

64° 💧 None 💨 10 mph H 49%30.33 inHg

3:00 PM

Sunny

65° 💧 None 💨 10 mph H 49%30.30 inHg

4:00 PM

Mostly sunny

65° 💧 None 💨 9 mph H 50%30.30 inHg

5:00 PM

Partly cloudy

65° 💧 None 💨 10 mph H 52%30.30 inHg

6:00 PM

Mostly sunny

64° 💧 None 💨 9 mph H 57%30.30 inHg

7:00 PM

Mostly sunny

61° 💧 None 💨 8 mph H 63%30.30 inHg

8:00 PM

Partly cloudy night

59° 💧 None 💨 9 mph H 67%30.33 inHg

9:00 PM

Partly cloudy night

58° 💧 None 💨 10 mph H 69%30.33 inHg

10:00 PM

Overcast night

57° 💧 None 💨 9 mph H 71%30.36 inHg

11:00 PM

Overcast night

57° 💧 None 💨 10 mph H 72%30.36 inHg

Thursday

12:00 AM

Overcast night

56° 💧 None 💨 9 mph H 72%30.36 inHg

1:00 AM

Overcast night

55° 💧 None 💨 9 mph H 73%30.33 inHg

2:00 AM

Overcast night

55° 💧 None 💨 8 mph H 73%30.36 inHg

3:00 AM

Overcast night

54° 💧 None 💨 8 mph H 73%30.36 inHg

4:00 AM

Overcast night

54° 💧 None 💨 8 mph H 73%30.36 inHg

5:00 AM

Overcast night

53° 💧 None 💨 8 mph H 76%30.36 inHg

6:00 AM

Overcast night

52° 💧 None 💨 7 mph H 82%30.36 inHg

7:00 AM

Overcast night

51° 💧 None 💨 7 mph H 86%30.39 inHg

8:00 AM

Mostly cloudy

51° 💧 None 💨 8 mph H 81%30.39 inHg

9:00 AM

Partly cloudy

53° 💧 None 💨 9 mph H 75%30.39 inHg

10:00 AM

Sunny

54° 💧 None 💨 9 mph H 68%30.39 inHg

11:00 AM

Sunny

56° 💧 None 💨 8 mph H 62%30.39 inHg

12:00 PM

Mostly sunny

59° 💧 None 💨 7 mph H 58%30.36 inHg

1:00 PM

Partly cloudy

61° 💧 None 💨 8 mph H 56%30.36 inHg

2:00 PM

Mostly sunny

62° 💧 None 💨 7 mph H 54%30.33 inHg

3:00 PM

Sunny

63° 💧 None 💨 7 mph H 53%30.30 inHg

4:00 PM

Sunny

64° 💧 None 💨 7 mph H 53%30.27 inHg

5:00 PM

Sunny

64° 💧 None 💨 7 mph H 54%30.27 inHg

6:00 PM

Sunny

62° 💧 None 💨 7 mph H 58%30.27 inHg

7:00 PM

Sunny

59° 💧 None 💨 6 mph H 65%30.27 inHg

8:00 PM

Clear night

56° 💧 None 💨 6 mph H 74%30.27 inHg

Friday

5:00 AM

Clear night

46° 💧 None 💨 5 mph H 90%30.30 inHg

8:00 AM

Sunny

47° 💧 None 💨 5 mph H 93%30.33 inHg

11:00 AM

Sunny

59° 💧 None 💨 4 mph H 67%30.33 inHg

2:00 PM

Sunny

66° 💧 None 💨 7 mph H 48%30.24 inHg

5:00 PM

Sunny

67° 💧 None 💨 7 mph H 52%30.21 inHg

8:00 PM

Clear night

58° 💧 None 💨 7 mph H 81%30.21 inHg

11:00 PM

Clear night

54° 💧 None 💨 7 mph H 91%30.24 inHg

Saturday

2:00 AM

Clear night

51° 💧 None 💨 6 mph H 94%30.24 inHg

5:00 AM

Clear night

48° 💧 None 💨 4 mph H 96%30.21 inHg

8:00 AM

Sunny

48° 💧 None 💨 5 mph H 96%30.24 inHg

11:00 AM

Sunny

61° 💧 None 💨 4 mph H 73%30.21 inHg

2:00 PM

Sunny

70° 💧 None 💨 7 mph H 44%30.15 inHg

5:00 PM

Sunny

70° 💧 None 💨 9 mph H 49%30.09 inHg

8:00 PM

Clear night

61° 💧 None 💨 7 mph H 74%30.09 inHg

11:00 PM

Mostly clear night

56° 💧 None 💨 7 mph H 81%30.12 inHg

Sunday

2:00 AM

Overcast night

53° 💧 None 💨 6 mph H 83%30.09 inHg

5:00 AM

Partly cloudy night

51° 💧 None 💨 7 mph H 83%30.06 inHg

8:00 AM

Mostly sunny

53° 💧 None 💨 8 mph H 92%30.06 inHg

11:00 AM

Mostly cloudy

64° 💧 None 💨 11 mph H 64%30.03 inHg

2:00 PM

Overcast

69° 💧 None 💨 11 mph H 55%29.97 inHg

5:00 PM

Mostly sunny

69° 💧 None 💨 11 mph H 57%29.94 inHg

8:00 PM

Clear night

60° 💧 None 💨 9 mph H 72%29.94 inHg

11:00 PM

Clear night

54° 💧 None 💨 7 mph H 87%29.97 inHg

Monday

2:00 AM

Clear night

51° 💧 None 💨 6 mph H 90%29.97 inHg

8:00 AM

Sunny

56° 💧 None 💨 6 mph H 74%29.88 inHg

2:00 PM

Mostly cloudy

56° 💧 None 💨 6 mph H 90%29.91 inHg

8:00 PM

Overcast night

70° 💧 None 💨 8 mph H 64%29.85 inHg

Tuesday

2:00 AM

Overcast night

66° 💧 None 💨 6 mph H 77%29.88 inHg

8:00 AM

Overcast

60° 💧 None 💨 4 mph H 89%29.91 inHg

2:00 PM

Partly cloudy

59° 💧 None 💨 3 mph H 93%29.97 inHg

8:00 PM

Overcast night

71° 💧 None 💨 4 mph H 62%29.97 inHg

Wednesday

2:00 AM

Mostly clear night

65° 💧 None 💨 4 mph H 83%30.00 inHg

8:00 AM

Sunny

59° 💧 None 💨 3 mph H 95%30.03 inHg

2:00 PM

Sunny

57° 💧 None 💨 4 mph H 96%30.09 inHg

8:00 PM

Mostly clear night

76° 💧 None 💨 3 mph H 53%30.09 inHg

Thursday

2:00 AM

Clear night

67° 💧 None 💨 3 mph H 76%30.12 inHg

8:00 AM

Mostly cloudy

59° 💧 None 💨 3 mph H 90%30.15 inHg

2:00 PM

Mostly sunny

58° 💧 None 💨 4 mph H 95%30.21 inHg

8:00 PM

Mostly cloudy night

77° 💧 None 💨 4 mph H 52%30.21 inHg

Friday

2:00 AM

Mostly clear night

68° 💧 None 💨 3 mph H 80%30.21 inHg

8:00 AM

Overcast

62° 💧 None 💨 5 mph H 89%30.24 inHg

2:00 PM

Overcast

60° 💧 None 💨 4 mph H 92%30.27 inHg

8:00 PM

Overcast night

78° 💧 None 💨 3 mph H 57%30.24 inHg

Saturday

2:00 AM

Overcast night

69° 💧 None 💨 3 mph H 76%30.21 inHg

8:00 AM

Mostly cloudy

63° 💧 None 💨 4 mph H 85%30.18 inHg

2:00 PM

Overcast

61° 💧 None 💨 4 mph H 89%30.21 inHg

8:00 PM

Clear night

79° 💧 None 💨 4 mph H 51%30.15 inHg

Sunday

2:00 AM

Clear night

69° 💧 None 💨 4 mph H 74%30.12 inHg

8:00 AM

Sunny

62° 💧 None 💨 4 mph H 88%30.09 inHg

2:00 PM

Mostly sunny

60° 💧 None 💨 6 mph H 88%30.09 inHg

8:00 PM

Overcast night

79° 💧 None 💨 8 mph H 49%30.00 inHg

Monday

2:00 AM

Overcast night

71° 💧 None 💨 5 mph H 74%29.97 inHg

8:00 AM

Light rain

66° 💧 None 💨 7 mph H 98%29.97 inHg

2:00 PM

Light rain

60° 💧 None 💨 10 mph H 98%30.03 inHg

8:00 PM

Overcast night

63° 💧 None 💨 8 mph H 72%30.09 inHg

Tuesday

2:00 AM

Mostly cloudy night

60° 💧 None 💨 7 mph H 75%30.12 inHg

8:00 AM

Mostly cloudy

51° 💧 None 💨 6 mph H 79%30.15 inHg

2:00 PM

Overcast

53° 💧 None 💨 5 mph H 72%30.12 inHg

8:00 PM

Moderate rain

59° 💧 None 💨 7 mph H 92%29.97 inHg

Wednesday

2:00 AM

Light rain

57° 💧 None 💨 4 mph H 99%29.91 inHg

In Sewickley and, more broadly, across the state of Pennsylvania: This morning will start with mostly cloudy skies and mild temperatures ranging from 55 to 64 degrees Fahrenheit. Light northeast winds will blow at around 8 mph, with gusts reaching up to 19 mph. As the day progresses, the sky will remain mostly cloudy, and there is a high likelihood of rain, with total accumulation around 0.24 inches. Winds will continue to be light, but gusts may be slightly stronger during the storm. Temperatures are expected to stay within the mild range through the afternoon, making for a relatively comfortable day despite the unsettled weather. Be prepared for the possibility of rain, especially later in the day.

15-Day Weather Outlook for Sewickley

TomorrowTomorrow

Overcast 65°/57° 💧 None 💨 12 mph

Thursday, Sep 24Thu Sep 24

Overcast 64°/51° 💧 0.267 in 💨 9 mph

Friday, Sep 25Fri Sep 25

Sunny 67°/47° 💧 None 💨 7 mph

Saturday, Sep 26Sat Sep 26

Mostly sunny 69°/48° 💧 None 💨 10 mph

Sunday, Sep 27Sun Sep 27

Overcast 69°/52° 💧 0.001 in 💨 13 mph

Monday, Sep 28Mon Sep 28

Mostly cloudy 70°/56° 💧 0.001 in 💨 8 mph

Tuesday, Sep 29Tue Sep 29

Overcast 71°/59° 💧 0.004 in 💨 4 mph

Wednesday, Sep 30Wed Sep 30

Mostly sunny 76°/57° 💧 None 💨 4 mph

Thursday, Oct 1Thu Oct 1

Mostly cloudy 77°/58° 💧 None 💨 4 mph

Friday, Oct 2Fri Oct 2

Overcast 78°/60° 💧 None 💨 5 mph

Saturday, Oct 3Sat Oct 3

Mostly cloudy 79°/61° 💧 None 💨 4 mph

Sunday, Oct 4Sun Oct 4

Overcast 79°/60° 💧 0.004 in 💨 8 mph

Monday, Oct 5Mon Oct 5

Light rain 66°/60° 💧 0.142 in 💨 10 mph

Tuesday, Oct 6Tue Oct 6

Moderate rain 59°/51° 💧 0.704 in 💨 7 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Sewickley

Vertical axis: °F · Color based on temperature

AIR QUALITY FORECAST

Air Quality Forecast for Sewickley

Hourly forecast · Updated every 2 hours

Good

Nearest forecast value 11:00 AM

PM2.5 Fine particles Good 3,1µg/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 3,3µg/m³

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

O₃ Ozone Good 14,4µg/m³

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

NO₂ Nitrogen dioxide Good 6,3µg/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 Sewickley

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 0,5Low 😊Good

Tomorrow UV 4,4Moderate 🙂Fair

Thursday UV 5,5Moderate 🙂Fair

Friday UV 5,5Moderate 😐Moderate

Saturday UV 5,0Moderate 😊Good

Sunday UV 5,0Moderate —Unavailable

Monday UV 6,0High —Unavailable

Hourly UV index today

11:00 AMUV 0,4 12:00 PMUV 0,4 1:00 PMUV 0,5 2:00 PMUV 0,5 3:00 PMUV 0,5 4:00 PMUV 0,3 5:00 PMUV 0,1 6:00 PMUV 0,0 7:00 PMUV 0,0

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

Low UV risk

UV radiation will be low, although basic protection is still advisable during prolonged exposure.

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 Sewickley

Vertical axis: mph · Horizontal axis: hours

Sustained wind Max gusts

NIGHT SKY · SEWICKLEY, PENNSYLVANIA

Tonight's Stargazing & Shooting Stars

Local night-sky conditions and meteor activity for Jasper.

29/100Best-hour score

No good viewing window tonight Astronomical darkness exists, but current sky conditions are unfavorable.

☁ Cloud cover 98% Real hourly forecast for the best viewing hour.

☾ Moonlight 88% Waxing Gibbous · Moon below the horizon at the best viewing hour.

☄ Meteor activity Southern Taurids Reference ZHR 7 · Radiant 63° high at the best hour.

✦ Estimated visible meteors Poor visibility Meteor activity may occur above the clouds, but local viewing conditions are not suitable.

Chance ≥1 meteor in 30 minNot meaningful

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

SEP 20–NOV 20

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

ACTIVE NOW

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

NOV 6–NOV 30

LeonidsStart NOV 6 · Peak NOV 17 · End NOV 30 · ZHR 15 · 52% 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 Sewickley were last refreshed today at 10:54 AM. The current forecast period extends through 24/09/2026 at 8:00 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.