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Weather in Upper Saint Clair, United States 🇺🇸

Current Weather in Upper Saint Clair

Clear
15°C
Feels like 14°C. Clear.
🌬️ 8 km/h ENE
💧 83% Humidity
🧭 1020 hPa
👁️ 10.0 km Visibility
☀️ UV Index: 0.0
🌡️ Dew Point: 12°C
🌅 Sunrise: 06:53 AM
🌇 Sunset: 07:43 PM
Map Overlays:

Right now Upper Saint Clair is 15°C with clear, feeling like 14°C. Humidity sits at 83% and winds are near 8 km/h, and the UV index is 0 (low). Across the coming days, Upper Saint Clair should see roughly 14°C to 30°C.

Hourly Forecast for Upper Saint Clair

05:00
Clear
15°
11%
06:00
Clear
14°
11%
07:00
Sunny
14°
12%
08:00
Sunny
15°
12%
09:00
Sunny
18°
8%
10:00
Sunny
20°
5%
11:00
Sunny
23°
5%
12:00
Sunny
22°
2%
13:00
Sunny
24°
1%
14:00
Sunny
24°
1%
15:00
Sunny
25°
1%
16:00
Sunny
25°
1%
17:00
Sunny
24°
1%
18:00
Sunny
23°
2%
19:00
Sunny
23°
5%
20:00
Overcast
21°
17%
21:00
Overcast
20°
18%
22:00
Clear
19°
6%
23:00
Clear
18°
6%
00:00
Clear
18°
8%
01:00
Clear
18°
8%
02:00
Clear
17°
8%
03:00
Cloudy
16°
18%
04:00
Partly Cloudy
16°
14%

14-Day Forecast for Upper Saint Clair

Mon, Sep 07
Sunny Sunny
25° / 14°
Tue, Sep 08
Cloudy Cloudy
28° / 15°
Wed, Sep 09
Overcast Overcast
30° / 19°
Thu, Sep 10
Light rain shower Light rain shower
24° / 18°
Fri, Sep 11
Sunny Sunny
24° / 12°
Sat, Sep 12
Sunny Sunny
28° / 17°
Sun, Sep 13
Sunny Sunny
30° / 20°
Mon, Sep 14
Patchy rain nearby Patchy rain nearby
28° / 14°
Tue, Sep 15
Sunny Sunny
18° / 12°
Wed, Sep 16
Sunny Sunny
19° /
Thu, Sep 17
Sunny Sunny
21° / 10°
Fri, Sep 18
Sunny Sunny
23° / 10°
Sat, Sep 19
Sunny Sunny
24° / 13°
Sun, Sep 20
Sunny Sunny
19° / 12°

Additional Forecasts for Upper Saint Clair

Air Quality

💨 US EPA Index 1 (Good)
CO (Carbon Monoxide) 162.0 μg/m³
O₃ (Ozone) 40.0 μg/m³
NO₂ (Nitrogen Dioxide) 7.9 μg/m³
SO₂ (Sulphur Dioxide) 0.7 μg/m³
PM2.5 (Fine particles) 4.0 μg/m³
PM10 (Coarse particles) 4.0 μg/m³

Historical Weather

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Best Time to Be Outside in Upper Saint Clair Today

The most comfortable window in Upper Saint Clair today looks like 10:00 to 13:00, when it is around 22°C. It should stay dry through that window. No significant rain is expected in the next several hours.

Frequently Asked Questions about Weather in Upper Saint Clair

What is the temperature in Upper Saint Clair right now?

The current temperature in Upper Saint Clair is 15°C (59°F), clear (feels like 14°C).

What's the weather like in Upper Saint Clair right now?

Conditions in Upper Saint Clair right now: Clear, humidity 83%, wind 8 km/h ENE.

What is today's forecast for Upper Saint Clair?

Today in Upper Saint Clair: high 25°C, low 14°C, sunny. Chance of rain: 5%.

What is the 7-day weather forecast for Upper Saint Clair?

Daily highs and lows for Upper Saint Clair:

  • 2026-09-07: 25°C / 14°C
  • 2026-09-08: 28°C / 15°C
  • 2026-09-09: 30°C / 19°C
  • 2026-09-10: 24°C / 18°C
  • 2026-09-11: 24°C / 12°C
  • 2026-09-12: 28°C / 17°C
  • 2026-09-13: 30°C / 20°C
Is it going to rain in Upper Saint Clair today?

There is a 5% chance of rain in Upper Saint Clair today.

What is the wind speed in Upper Saint Clair right now?

Wind in Upper Saint Clair is currently 8 km/h (5 mph) from the ENE.

What is the UV index in Upper Saint Clair right now?

The UV index in Upper Saint Clair is currently 0 (low). Sun protection is recommended when the index is 3 or higher.

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