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Weather in Mount Vernon, United States 🇺🇸

Current Weather in Mount Vernon

Flood Watch issued September 12 at 3:05PM EDT until September 13 at 12:00PM EDT by NWS Upton NY
Overcast
21°C
Feels like 20°C. Overcast.
🌬️ 14 km/h SSE
💧 73% Humidity
🧭 1019 hPa
👁️ 10.0 km Visibility
☀️ UV Index: 0.0
🌡️ Dew Point: 16°C
🌅 Sunrise: 06:33 AM
🌇 Sunset: 07:10 PM
Map Overlays:

The current temperature in Mount Vernon is 21°C, overcast, feeling like 20°C. Expect 73% humidity and winds of about 14 km/h, and the UV index is 0 (low). Across the coming days, Mount Vernon should see roughly 14°C to 27°C. ⚠️ Flood Watch issued September 12 at 3:05PM EDT until September 13 at 12:00PM EDT by NWS Upton NY

Hourly Forecast for Mount Vernon

22:00
Overcast
20°
21%
23:00
Overcast
20°
24%
00:00
Overcast
20°
25%
01:00
Overcast
22°
18%
02:00
Light drizzle
21°
56%
03:00
Light rain shower
20°
66%
04:00
Light rain shower
20°
72%
05:00
Light rain shower
20°
77%
06:00
Moderate or heavy rain shower
20°
92%
07:00
Heavy rain
20°
95%
08:00
Heavy rain
20°
95%
09:00
Light rain shower
20°
79%
10:00
Light rain shower
20°
57%
11:00
Mist
21°
47%
12:00
Light rain shower
21°
84%
13:00
Light rain shower
22°
78%
14:00
Light rain shower
23°
73%
15:00
Patchy rain nearby
24°
16%
16:00
Patchy rain nearby
25°
17%
17:00
Patchy rain nearby
25°
13%
18:00
Sunny
25°
7%
19:00
Patchy rain nearby
24°
18%
20:00
Patchy rain nearby
23°
21%
21:00
Clear
23°
9%

14-Day Forecast for Mount Vernon

Sat, Sep 12
Sunny Sunny
27° / 14°
Sun, Sep 13
Light rain shower Light rain shower
25° / 20°
Mon, Sep 14
Sunny Sunny
23° / 16°
Tue, Sep 15
Sunny Sunny
22° / 12°
Wed, Sep 16
Smoky haze Smoky haze
25° / 17°
Thu, Sep 17
Sunny Sunny
28° / 19°
Fri, Sep 18
Light rain shower Light rain shower
22° / 19°
Sat, Sep 19
Overcast Overcast
23° / 18°
Sun, Sep 20
Overcast Overcast
20° / 18°
Mon, Sep 21
Overcast Overcast
18° / 12°
Tue, Sep 22
Overcast Overcast
14° / 10°
Wed, Sep 23
Patchy rain nearby Patchy rain nearby
21° / 15°
Thu, Sep 24
Sunny Sunny
23° / 14°
Fri, Sep 25
Sunny Sunny
20° / 10°

Additional Forecasts for Mount Vernon

Air Quality

💨 US EPA Index 1 (Good)
CO (Carbon Monoxide) 152.0 μg/m³
O₃ (Ozone) 88.0 μg/m³
NO₂ (Nitrogen Dioxide) 14.2 μg/m³
SO₂ (Sulphur Dioxide) 1.6 μg/m³
PM2.5 (Fine particles) 11.5 μg/m³
PM10 (Coarse particles) 14.7 μg/m³

Historical Weather

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Best Time to Be Outside in Mount Vernon Tomorrow

There is no good daylight window left in Mount Vernon today. Tomorrow, the most comfortable window looks like 13:00 to 16:00, when it is around 23°C. The next likely rain is around 02:00.

Frequently Asked Questions about Weather in Mount Vernon

What is the temperature in Mount Vernon right now?

The current temperature in Mount Vernon is 21°C (70°F), overcast (feels like 20°C).

What's the weather like in Mount Vernon right now?

Current weather in Mount Vernon: Overcast, humidity 73%, wind 14 km/h SSE.

What is today's forecast for Mount Vernon?

Today in Mount Vernon: high 27°C, low 14°C, sunny. Chance of rain: 8%.

What is the 7-day weather forecast for Mount Vernon?

Daily highs and lows for Mount Vernon:

  • 2026-09-12: 27°C / 14°C
  • 2026-09-13: 25°C / 20°C
  • 2026-09-14: 23°C / 16°C
  • 2026-09-15: 22°C / 12°C
  • 2026-09-16: 25°C / 17°C
  • 2026-09-17: 28°C / 19°C
  • 2026-09-18: 22°C / 19°C
Is it going to rain in Mount Vernon today?

There is a 8% chance of rain in Mount Vernon today.

What is the wind speed in Mount Vernon right now?

Wind in Mount Vernon is currently 14 km/h (9 mph) from the SSE.

What is the UV index in Mount Vernon right now?

The UV index in Mount Vernon is currently 0 (low). Sun protection is recommended when the index is 3 or higher.

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