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

Now · 5:02 AM

Vandalia Weather & Hourly Forecast

United States · Ohio · 45377

65°F

Mostly clear night

Feels like: 65°F

💧 Humidity 86% 🌡 Pressure 30.15 inHg 💨 Wind 5 mph 👁 Visibility 15.6 mi ☁ Clouds 34% ☀️ UV index 0.0 · Low 🌅 Sunrise — 🌇 Sunset —

Hourly Forecast for Vandalia

Today

6:00 AM

Partly cloudy night

64° 💧 None 💨 5 mph H 87%30.15 inHg

9:00 AM

Overcast

68° 💧 None 💨 4 mph H 83%30.18 inHg

12:00 PM

Overcast

79° 💧 0.002 in 💨 4 mph H 73%30.18 inHg

3:00 PM

Mostly sunny

84° 💧 0.001 in 💨 2 mph H 56%30.15 inHg

6:00 PM

Partly cloudy

85° 💧 0.000 in 💨 4 mph H 56%30.09 inHg

9:00 PM

Overcast night

78° 💧 None 💨 5 mph H 74%30.12 inHg

Tomorrow

12:00 AM

Mostly cloudy night

75° 💧 None 💨 5 mph H 83%30.12 inHg

3:00 AM

Clear night

74° 💧 None 💨 8 mph H 79%30.09 inHg

6:00 AM

Clear night

73° 💧 None 💨 8 mph H 78%30.12 inHg

9:00 AM

Sunny

76° 💧 None 💨 8 mph H 77%30.12 inHg

12:00 PM

Sunny

84° 💧 None 💨 13 mph H 63%30.09 inHg

3:00 PM

Mostly sunny

89° 💧 0.010 in 💨 12 mph H 51%30.03 inHg

6:00 PM

Strong thunderstorm

88° 💧 0.003 in 💨 10 mph H 56%29.94 inHg

9:00 PM

Light rain

74° 💧 0.138 in 💨 4 mph H 94%30.00 inHg

Thursday

12:00 AM

Mostly clear night

73° 💧 0.170 in 💨 6 mph H 95%30.00 inHg

3:00 AM

Thunderstorms

70° 💧 0.304 in 💨 8 mph H 97%30.00 inHg

Today

6:00 AM

Partly cloudy night

64° 💧 None 💨 5 mph H 87%30.15 inHg

7:00 AM

Partly cloudy night

63° 💧 None 💨 5 mph H 88%30.15 inHg

8:00 AM

Partly cloudy

65° 💧 None 💨 6 mph H 87%30.18 inHg

9:00 AM

Overcast

68° 💧 None 💨 4 mph H 83%30.18 inHg

10:00 AM

Overcast

72° 💧 None 💨 4 mph H 79%30.21 inHg

11:00 AM

Mostly sunny

76° 💧 None 💨 3 mph H 76%30.18 inHg

12:00 PM

Overcast

79° 💧 None 💨 4 mph H 73%30.18 inHg

1:00 PM

Mostly sunny

81° 💧 0.001 in 💨 2 mph H 68%30.18 inHg

2:00 PM

Mostly sunny

83° 💧 0.001 in 💨 2 mph H 60%30.15 inHg

3:00 PM

Mostly sunny

84° 💧 0.000 in 💨 2 mph H 56%30.15 inHg

4:00 PM

Partly cloudy

84° 💧 0.000 in 💨 2 mph H 56%30.12 inHg

5:00 PM

Mostly sunny

85° 💧 None 💨 2 mph H 55%30.09 inHg

6:00 PM

Partly cloudy

85° 💧 None 💨 4 mph H 56%30.09 inHg

7:00 PM

Partly cloudy

83° 💧 0.000 in 💨 4 mph H 64%30.09 inHg

8:00 PM

Overcast night

79° 💧 None 💨 5 mph H 72%30.12 inHg

9:00 PM

Overcast night

78° 💧 None 💨 5 mph H 74%30.12 inHg

10:00 PM

Overcast night

77° 💧 None 💨 5 mph H 77%30.12 inHg

11:00 PM

Overcast night

76° 💧 None 💨 5 mph H 80%30.12 inHg

Tomorrow

12:00 AM

Mostly cloudy night

75° 💧 None 💨 5 mph H 83%30.12 inHg

1:00 AM

Mostly clear night

74° 💧 None 💨 5 mph H 84%30.12 inHg

2:00 AM

Clear night

74° 💧 None 💨 7 mph H 82%30.12 inHg

3:00 AM

Clear night

74° 💧 None 💨 8 mph H 79%30.09 inHg

4:00 AM

Clear night

74° 💧 None 💨 9 mph H 76%30.09 inHg

5:00 AM

Clear night

74° 💧 None 💨 9 mph H 76%30.12 inHg

6:00 AM

Clear night

73° 💧 None 💨 8 mph H 78%30.12 inHg

7:00 AM

Clear night

72° 💧 None 💨 7 mph H 81%30.12 inHg

8:00 AM

Sunny

73° 💧 None 💨 9 mph H 81%30.12 inHg

9:00 AM

Sunny

76° 💧 None 💨 8 mph H 77%30.12 inHg

10:00 AM

Sunny

79° 💧 None 💨 10 mph H 72%30.12 inHg

11:00 AM

Sunny

81° 💧 None 💨 11 mph H 68%30.12 inHg

12:00 PM

Sunny

84° 💧 None 💨 13 mph H 63%30.09 inHg

1:00 PM

Sunny

86° 💧 None 💨 13 mph H 59%30.06 inHg

2:00 PM

Sunny

88° 💧 None 💨 13 mph H 54%30.03 inHg

3:00 PM

Mostly sunny

89° 💧 0.000 in 💨 12 mph H 51%30.03 inHg

4:00 PM

Light rain

88° 💧 0.008 in 💨 11 mph H 51%30.00 inHg

5:00 PM

Sunny

89° 💧 0.001 in 💨 10 mph H 53%29.97 inHg

6:00 PM

Strong thunderstorm

88° 💧 0.001 in 💨 10 mph H 56%29.94 inHg

7:00 PM

Mostly sunny

86° 💧 0.001 in 💨 8 mph H 62%29.94 inHg

8:00 PM

Mostly clear night

83° 💧 None 💨 8 mph H 66%29.94 inHg

9:00 PM

Light rain

74° 💧 0.087 in 💨 4 mph H 94%30.00 inHg

10:00 PM

Light rain

74° 💧 0.049 in 💨 3 mph H 95%30.00 inHg

11:00 PM

Mostly clear night

73° 💧 0.002 in 💨 5 mph H 95%30.00 inHg

Thursday

12:00 AM

Mostly clear night

73° 💧 0.000 in 💨 6 mph H 95%30.00 inHg

1:00 AM

Light thunderstorms

72° 💧 0.005 in 💨 7 mph H 95%29.97 inHg

2:00 AM

Thunderstorms

70° 💧 0.165 in 💨 8 mph H 97%30.00 inHg

3:00 AM

Thunderstorms

70° 💧 0.137 in 💨 8 mph H 97%30.00 inHg

4:00 AM

Thunderstorms

70° 💧 0.141 in 💨 8 mph H 96%29.97 inHg

5:00 AM

Light thunderstorms

70° 💧 0.026 in 💨 9 mph H 97%29.97 inHg

6:00 AM

Thunderstorms

70° 💧 0.196 in 💨 5 mph H 97%29.97 inHg

7:00 AM

Light rain

70° 💧 0.037 in 💨 9 mph H 97%29.97 inHg

8:00 AM

Light thunderstorms

70° 💧 0.047 in 💨 7 mph H 98%29.97 inHg

9:00 AM

Light thunderstorms

71° 💧 0.039 in 💨 8 mph H 98%29.97 inHg

10:00 AM

Light thunderstorms

71° 💧 0.056 in 💨 11 mph H 97%29.97 inHg

11:00 AM

Light thunderstorms

72° 💧 0.059 in 💨 8 mph H 96%29.94 inHg

12:00 PM

Light rain

73° 💧 0.010 in 💨 9 mph H 94%29.94 inHg

1:00 PM

Light rain

74° 💧 0.014 in 💨 7 mph H 93%29.94 inHg

2:00 PM

Light rain

72° 💧 0.027 in 💨 9 mph H 93%29.91 inHg

3:00 PM

Light rain

69° 💧 0.012 in 💨 7 mph H 90%29.94 inHg

4:00 PM

Thunderstorms

69° 💧 0.124 in 💨 4 mph H 94%29.91 inHg

5:00 PM

Moderate rain

69° 💧 0.105 in 💨 4 mph H 94%29.91 inHg

6:00 PM

Mostly sunny

71° 💧 0.003 in 💨 3 mph H 86%29.91 inHg

7:00 PM

Mostly sunny

71° 💧 None 💨 2 mph H 87%29.91 inHg

8:00 PM

Mostly clear night

68° 💧 None 💨 0 mph H 91%29.91 inHg

11:00 PM

Mostly cloudy night

65° 💧 None 💨 3 mph H 98%29.97 inHg

Friday

2:00 AM

Partly cloudy night

64° 💧 None 💨 3 mph H 99%29.97 inHg

5:00 AM

Clear night

61° 💧 None 💨 4 mph H 93%30.00 inHg

8:00 AM

Sunny

60° 💧 None 💨 3 mph H 93%30.03 inHg

11:00 AM

Sunny

71° 💧 None 💨 2 mph H 78%30.03 inHg

2:00 PM

Mostly sunny

78° 💧 None 💨 2 mph H 60%30.00 inHg

5:00 PM

Mostly sunny

79° 💧 None 💨 2 mph H 52%29.94 inHg

8:00 PM

Clear night

73° 💧 None 💨 2 mph H 73%29.94 inHg

11:00 PM

Clear night

67° 💧 None 💨 5 mph H 84%29.97 inHg

Saturday

2:00 AM

Clear night

64° 💧 None 💨 4 mph H 88%29.94 inHg

5:00 AM

Clear night

63° 💧 None 💨 4 mph H 92%29.94 inHg

8:00 AM

Sunny

63° 💧 None 💨 6 mph H 91%29.97 inHg

11:00 AM

Sunny

74° 💧 None 💨 5 mph H 75%30.00 inHg

2:00 PM

Light rain

81° 💧 None 💨 6 mph H 70%29.94 inHg

5:00 PM

Light rain

83° 💧 None 💨 8 mph H 66%29.88 inHg

8:00 PM

Mostly clear night

77° 💧 None 💨 4 mph H 85%29.88 inHg

11:00 PM

Partly cloudy night

73° 💧 None 💨 5 mph H 92%29.97 inHg

Sunday

2:00 AM

Mostly clear night

72° 💧 None 💨 6 mph H 94%29.94 inHg

5:00 AM

Mostly clear night

71° 💧 None 💨 6 mph H 96%29.94 inHg

8:00 AM

Mostly cloudy

71° 💧 None 💨 6 mph H 94%30.00 inHg

11:00 AM

Overcast

77° 💧 None 💨 6 mph H 80%30.03 inHg

2:00 PM

Partly cloudy

82° 💧 None 💨 4 mph H 71%30.00 inHg

5:00 PM

Light rain

76° 💧 None 💨 4 mph H 85%29.97 inHg

8:00 PM

Mostly clear night

73° 💧 None 💨 4 mph H 92%30.03 inHg

Monday

2:00 AM

Clear night

64° 💧 None 💨 4 mph H 90%30.09 inHg

8:00 AM

Overcast

63° 💧 None 💨 3 mph H 96%30.12 inHg

2:00 PM

Partly cloudy

80° 💧 None 💨 4 mph H 66%30.12 inHg

8:00 PM

Overcast night

76° 💧 None 💨 5 mph H 77%30.03 inHg

Tuesday

2:00 AM

Overcast night

71° 💧 None 💨 8 mph H 88%30.06 inHg

8:00 AM

Mostly sunny

72° 💧 None 💨 9 mph H 88%30.06 inHg

2:00 PM

Partly cloudy

88° 💧 None 💨 10 mph H 61%30.06 inHg

8:00 PM

Light rain

80° 💧 None 💨 7 mph H 83%30.09 inHg

Wednesday

2:00 AM

Partly cloudy night

72° 💧 None 💨 4 mph H 97%30.18 inHg

8:00 AM

Partly cloudy

67° 💧 None 💨 5 mph H 78%30.27 inHg

2:00 PM

Mostly cloudy

82° 💧 None 💨 3 mph H 64%30.24 inHg

8:00 PM

Mostly cloudy night

74° 💧 None 💨 5 mph H 73%30.24 inHg

Thursday

2:00 AM

Overcast night

68° 💧 None 💨 5 mph H 88%30.24 inHg

8:00 AM

Overcast

67° 💧 None 💨 4 mph H 87%30.21 inHg

2:00 PM

Light rain

68° 💧 None 💨 9 mph H 89%30.18 inHg

8:00 PM

Overcast night

66° 💧 None 💨 10 mph H 85%30.12 inHg

Friday

2:00 AM

Clear night

62° 💧 None 💨 8 mph H 90%30.18 inHg

8:00 AM

Sunny

54° 💧 None 💨 11 mph H 82%30.33 inHg

2:00 PM

Partly cloudy

63° 💧 None 💨 12 mph H 55%30.36 inHg

8:00 PM

Clear night

56° 💧 None 💨 6 mph H 66%30.33 inHg

Saturday

2:00 AM

Clear night

48° 💧 None 💨 3 mph H 84%30.36 inHg

8:00 AM

Sunny

46° 💧 None 💨 3 mph H 87%30.39 inHg

2:00 PM

Mostly sunny

63° 💧 None 💨 5 mph H 53%30.30 inHg

8:00 PM

Clear night

57° 💧 None 💨 4 mph H 76%30.21 inHg

Sunday

2:00 AM

Mostly cloudy night

51° 💧 None 💨 4 mph H 90%30.21 inHg

8:00 AM

Partly cloudy

49° 💧 None 💨 4 mph H 91%30.21 inHg

2:00 PM

Mostly sunny

69° 💧 None 💨 5 mph H 52%30.15 inHg

8:00 PM

Clear night

64° 💧 None 💨 2 mph H 70%30.09 inHg

Monday

2:00 AM

Clear night

56° 💧 None 💨 4 mph H 87%30.09 inHg

8:00 AM

Mostly sunny

55° 💧 None 💨 4 mph H 81%30.12 inHg

2:00 PM

Overcast

78° 💧 None 💨 11 mph H 46%30.06 inHg

8:00 PM

Overcast night

73° 💧 None 💨 7 mph H 60%30.00 inHg

Tuesday

2:00 AM

Overcast night

68° 💧 None 💨 6 mph H 72%30.03 inHg

8:00 AM

Mostly cloudy

61° 💧 None 💨 6 mph H 87%30.06 inHg

2:00 PM

Mostly sunny

74° 💧 None 💨 10 mph H 51%30.03 inHg

8:00 PM

Clear night

66° 💧 None 💨 5 mph H 71%30.00 inHg

In Vandalia and, more broadly, across the state of Ohio: The evening will feature a mix of sun and clouds, with temperatures remaining mild to warm, ranging from 70 to 77 degrees Fahrenheit. Winds will be coming from the northeast at up to 10 mph, with gusts reaching 23 mph. No rainfall is expected during the next few hours, so conditions should remain dry. Temperatures will gradually stay steady through the evening, and while the wind may pick up slightly at times, it should not cause significant issues. Overall, it looks like a comfortable evening with pleasant weather continuing for the next few hours.

15-Day Weather Outlook for Vandalia

TomorrowTomorrow

Strong thunderstorm 89°/72° 💧 None 💨 13 mph

Thursday, Sep 10Thu Sep 10

Light thunderstorms 83°/69° 💧 None 💨 11 mph

Friday, Sep 11Fri Sep 11

Mostly sunny 77°/59° 💧 None 💨 5 mph

Saturday, Sep 12Sat Sep 12

Light rain 82°/63° 💧 0.024 in 💨 6 mph

Sunday, Sep 13Sun Sep 13

Light rain 80°/69° 💧 0.151 in 💨 5 mph

Monday, Sep 14Mon Sep 14

Partly cloudy 83°/70° 💧 0.147 in 💨 5 mph

Tuesday, Sep 15Tue Sep 15

Light rain 85°/75° 💧 0.020 in 💨 8 mph

Wednesday, Sep 16Wed Sep 16

Mostly cloudy 82°/58° 💧 0.538 in 💨 10 mph

Thursday, Sep 17Thu Sep 17

Partly cloudy 75°/55° 💧 0.000 in 💨 8 mph

Friday, Sep 18Fri Sep 18

Partly cloudy 71°/56° 💧 None 💨 7 mph

Saturday, Sep 19Sat Sep 19

Overcast 70°/61° 💧 None 💨 3 mph

Sunday, Sep 20Sun Sep 20

Overcast 74°/59° 💧 None 💨 4 mph

Monday, Sep 21Mon Sep 21

Partly cloudy 75°/57° 💧 0.001 in 💨 6 mph

Tuesday, Sep 22Tue Sep 22

Heavy rain 75°/63° 💧 0.875 in 💨 12 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Vandalia

Vertical axis: °F · Color based on temperature

AIR QUALITY FORECAST

Air Quality Forecast for Vandalia

Hourly forecast · Updated every 2 hours

Good

Nearest forecast value 6:00 AM

PM2.5 Fine particles Good 3,6µg/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 4,3µg/m³

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

O₃ Ozone Good 44,3µg/m³

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

NO₂ Nitrogen dioxide Good 3,4µg/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 Vandalia

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 6,9High 😊Good

Tomorrow UV 7,6High 😐Moderate

Thursday UV 5,8Moderate 🙂Fair

Friday UV 3,4Moderate 😐Moderate

Saturday UV 7,0High 🙂Fair

Sunday UV 8,0Very high —Unavailable

Monday UV 8,0Very high —Unavailable

Hourly UV index today

7:00 AMUV 0,0 8:00 AMUV 0,2 9:00 AMUV 0,8 10:00 AMUV 2,1 11:00 AMUV 3,7 12:00 PMUV 5,5 1:00 PMUV 6,7 2:00 PMUV 6,9 3:00 PMUV 6,1 4:00 PMUV 4,5 5:00 PMUV 2,5 6:00 PMUV 0,9

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

Strong UV exposure

Protect exposed skin with SPF 30+ sunscreen, wear sunglasses, and try to limit direct midday sun.

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 Vandalia

Vertical axis: mph · Horizontal axis: hours

Sustained wind Max gusts

NIGHT SKY · VANDALIA, OHIO

Tonight's Stargazing & Shooting Stars

Fair observing conditions. Best local viewing window: 6:00 AM–7:00 AM.

63/100Best-hour score

BEST TIME TONIGHT 6:00 AM–7:00 AM Astronomical darkness: 9:32 PM–5:38 AM

☁ Cloud cover 49% Real hourly forecast for the best viewing hour.

☾ Moonlight 13% Waning Crescent · Moon about 18° above the horizon at the best viewing hour.

☄ Meteor activity September ε-Perseids Reference ZHR 8 · Radiant 86° high at the best hour.

✦ Estimated visible meteors 1–3/hour Local estimate after weather, moonlight and radiant-height adjustments.

Chance ≥1 meteor in 30 min63%

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

SEP 5–SEP 21

September ε-PerseidsStart SEP 5 · Peak SEP 9 · End SEP 21 · ZHR 8 · 6% Moon at peak

ACTIVE NOW

SEP 20–NOV 20

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

UPCOMING

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

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

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Forecast data for Vandalia were last refreshed today at 5:02 AM. The current forecast period extends through 10/09/2026 at 3:00 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.