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Weather in Vandalia, United States 🇺🇸

Weather Forecast in Vandalia

Current Weather in Vandalia

Air Quality Alert issued July 19 at 12:05AM EDT by NWS Wilmington OH
Clear
18°C
Feels like 18°C. Clear.
🌬️ 8 km/h E
💧 73% Humidity
🧭 1016 hPa
👁️ 13.0 km Visibility
☀️ UV Index: 0.0
🌡️ Dew Point: 13°C
🌅 Sunrise: 06:25 AM
🌇 Sunset: 09:01 PM
Map Overlays:

In Vandalia right now it is 18°C and clear, feeling like 18°C. Humidity is 73% with winds around 8 km/h, and the UV index is 0 (low). Over the next few days, temperatures in Vandalia range from about 12°C to 30°C. ⚠️ Air Quality Alert issued July 19 at 12:05AM EDT by NWS Wilmington OH

Hourly Forecast for Vandalia

05:00
Clear
17°
8%
06:00
Clear
16°
8%
07:00
Sunny
16°
8%
08:00
Sunny
18°
7%
09:00
Sunny
20°
5%
10:00
Sunny
22°
4%
11:00
Sunny
25°
3%
12:00
Sunny
29°
2%
13:00
Sunny
30°
2%
14:00
Overcast
26°
12%
15:00
Partly Cloudy
26°
6%
16:00
Partly Cloudy
26°
6%
17:00
Sunny
26°
4%
18:00
Sunny
26°
5%
19:00
Sunny
26°
7%
20:00
Sunny
24°
9%
21:00
Sunny
22°
11%
22:00
Clear
22°
12%
23:00
Clear
21°
13%
00:00
Clear
21°
13%
01:00
Clear
20°
16%
02:00
Clear
20°
15%
03:00
Mist
20°
21%
04:00
Mist
20°
21%

14-Day Forecast for Vandalia

Mon, Jul 20
Sunny Sunny
30° / 16°
Tue, Jul 21
Patchy rain nearby Patchy rain nearby
28° / 20°
Wed, Jul 22
Sunny Sunny
21° / 12°
Thu, Jul 23
Sunny Sunny
23° / 12°
Fri, Jul 24
Sunny Sunny
24° / 14°
Sat, Jul 25
Sunny Sunny
26° / 14°
Sun, Jul 26
Patchy rain nearby Patchy rain nearby
28° / 18°
Mon, Jul 27
Sunny Sunny
28° / 20°
Tue, Jul 28
Partly Cloudy Partly Cloudy
25° / 15°
Wed, Jul 29
Sunny Sunny
26° / 14°
Thu, Jul 30
Sunny Sunny
27° / 16°
Fri, Jul 31
Sunny Sunny
27° / 16°
Sat, Aug 01
Sunny Sunny
30° / 17°
Sun, Aug 02
Sunny Sunny
32° / 20°

Additional Forecasts for Vandalia

Air Quality

💨 US EPA Index 1 (Good)
CO (Carbon Monoxide) 211.0 μg/m³
O₃ (Ozone) 61.0 μg/m³
NO₂ (Nitrogen Dioxide) 12.1 μg/m³
SO₂ (Sulphur Dioxide) 1.5 μg/m³
PM2.5 (Fine particles) 14.4 μg/m³
PM10 (Coarse particles) 14.6 μg/m³

Historical Weather

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Best Time to Be Outside in Vandalia Today

The most comfortable window in Vandalia today looks like 09:00 to 11:00, 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 Vandalia

What is the temperature in Vandalia right now?

The current temperature in Vandalia is 18°C (64°F), clear (feels like 18°C).

What's the weather like in Vandalia right now?

Conditions in Vandalia right now: Clear, humidity 73%, wind 8 km/h E.

What is today's forecast for Vandalia?

Today in Vandalia: high 30°C, low 16°C, sunny. Chance of rain: 6%.

What is the 7-day weather forecast for Vandalia?

Daily highs and lows for Vandalia:

  • 2026-07-20: 30°C / 16°C
  • 2026-07-21: 28°C / 20°C
  • 2026-07-22: 21°C / 12°C
  • 2026-07-23: 23°C / 12°C
  • 2026-07-24: 24°C / 14°C
  • 2026-07-25: 26°C / 14°C
  • 2026-07-26: 28°C / 18°C
Is it going to rain in Vandalia today?

There is a 6% chance of rain in Vandalia today.

What is the wind speed in Vandalia right now?

Wind in Vandalia is currently 8 km/h (5 mph) from the E.

What is the UV index in Vandalia right now?

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

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