Live Weather & Forecast
Weather in Sewickley
Pennsylvania, United States · Real-time conditions & 3-day outlook
23°C
Feels like 25°C
73°F / Feels 76°F
Overcast
Sewickley, Pennsylvania
🌙 Nighttime
Updated: 2026-04-12 21:45
Humidity
38%
Wind
10.1 km/h SSW
Wind Gust
21.2 km/h
Pressure
1018 mb
Visibility
16 km
UV Index
0
(Low)
Precipitation
0 mm
Cloud Cover
100%
Dew Point
8.4°C
Wind Degree
199°
Air Quality Index
US EPA: Good
UK DEFRA: Low (1)
CO
223.9 μg/m³
NO₂
8.5 μg/m³
O₃
90 μg/m³
SO₂
7 μg/m³
PM 2.5
10.4 μg/m³
PM 10
10.6 μg/m³
Today's Hourly Forecast
24-hour breakdown for Sewickley, Pennsylvania
12 AM
8°
Clear
1 AM
7°
Clear
2 AM
7°
Clear
3 AM
6°
Clear
4 AM
6°
Clear
5 AM
6°
Clear
6 AM
6°
Clear
7 AM
6°
Sunny
8 AM
9°
Sunny
9 AM
11°
Sunny
10 AM
16°
Sunny
11 AM
20°
Sunny
12 PM
23°
Sunny
1 PM
25°
Sunny
2 PM
26°
Sunny
3 PM
27°
Sunny
4 PM
27°
Sunny
5 PM
27°
Sunny
6 PM
27°
Sunny
7 PM
24°
Sunny
8 PM
22°
Clear
9 PM
23°
Overcast
10 PM
20°
Clear
11 PM
20°
Clear
3-Day Forecast
Daily overview for Sewickley, Pennsylvania
Today
Sunny
28°
/
5°
🌧️ 0% chance of rain
💧 Avg. humidity: 46%
💨 Max wind: 18.7 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 1.5
🌅 Sunrise: 06:47 AM
🌇 Sunset: 07:57 PM
🌙 Waning Crescent
🌑 Moon: 33% lit
Mon, Apr 13
Moderate rain
18°
/
15°
🌧️ 82% chance of rain
💧 Avg. humidity: 76%
💨 Max wind: 26.6 km/h
🌧️ Total precip: 8.23 mm
☀️ UV Index: 1.3
🌅 Sunrise: 06:45 AM
🌇 Sunset: 07:58 PM
🌙 Waning Crescent
🌑 Moon: 23% lit
Tue, Apr 14
Thundery outbreaks in nearby
24°
/
16°
🌧️ 0% chance of rain
💧 Avg. humidity: 78%
💨 Max wind: 24.1 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 2
🌅 Sunrise: 06:44 AM
🌇 Sunset: 07:59 PM
🌙 Waning Crescent
🌑 Moon: 15% lit
Best Time to Visit Sewickley
Plan your trip to Sewickley, 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 Sewickley?
Current conditions in Sewickley: Overcast, temperature 23°C, humidity 38%.
What is the best time to visit Sewickley?
The best time to visit Sewickley is typically June – September. Warm, dry summers — ideal for outdoor activities.
What is the climate like in Sewickley?
Sewickley is located at approximately 40.5° latitude. It has a temperate climate with warm summers and cold winters.
Does it rain a lot in Sewickley?
The wettest period in Sewickley is typically during November – March. Cooler temperatures; some regions may experience rain or snow.
What should I pack for a trip to Sewickley?
For visits to Sewickley during June – September: light clothing and sun protection. For November – March: layers and a waterproof jacket are recommended.
What country is Sewickley in?
Sewickley is located in United States, in the state of Pennsylvania.
What are the public holidays in Sewickley in 2026?
View the 2026 public holidays for Sewickley on our Holidays page.
What are the GPS coordinates used for the weather forecast in Sewickley?
The weather forecast for Sewickley uses coordinates 40.5403, -80.1805.