Vandalia, OH Weather Forecast
Local 7-day forecast
Mostly Cloudy then Slight Chance Rain Showers
Track current conditions, temperature changes, wind, and the full daily outlook for Vandalia, OH in one place.
A slight chance of rain showers after 2pm. Mostly cloudy, with a high near 79. Northeast wind around 5 mph. Chance of precipitation is 20%.
Local Weather Overview
This forecast page for Vandalia, OH is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: May 24, 2026 1:58 AM EDT.
The active forecast window currently covers May 25 to May 30, 2026 for Vandalia, OH.
Page Snapshot
- Page focus
- city weather
- Forecast window
- May 25 to May 30, 2026
- Latest sync
- May 24, 2026 1:58 AM EDT
- Forecast office
- ILN
- Source
- NOAA / NWS
Daily Outlook
This Week in Vandalia
Thursday looks like the warmest upcoming period in Vandalia at 82 degrees F.
Friday Night is the coolest period ahead with temperatures near 54 degrees F.
The strongest winds are forecast for Friday at about 8 to 14 mph NE.
Precipitation is mentioned in 9 upcoming forecast periods.
Forecast Details
- Last updated
- May 24, 2026 1:58 AM EDT
- Coverage
- 6 days
- Time zone
- America/New_York
- Forecast office
- ILN
- Radar station
- KILN
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
A slight chance of rain showers. Mostly cloudy, with a low around 63. East wind around 5 mph. Chance of precipitation is 20%.
A chance of rain showers before 2pm, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 80. Chance of precipitation is 40%.
A chance of showers and thunderstorms before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 66. Chance of precipitation is 50%.
Showers and thunderstorms. Mostly cloudy, with a high near 78. Chance of precipitation is 80%.
Showers and thunderstorms likely before 8pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 65. Chance of precipitation is 70%.
A chance of rain showers before 2pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 82. Chance of precipitation is 40%.
A chance of showers and thunderstorms. Mostly cloudy, with a low around 59. Chance of precipitation is 40%.
A slight chance of rain showers before 2pm. Partly sunny, with a high near 75.
Partly cloudy, with a low around 54.
Mostly sunny, with a high near 74.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Memorial Day
May 25
|
Mostly Cloudy then Slight Chance Rain Showers
|
79°F |
5 mph
NE
|
|
Monday Night
May 25
|
Slight Chance Rain Showers
|
63°F |
5 mph
E
|
|
Tuesday
May 26
|
Chance Rain Showers
|
80°F |
7 mph
E
|
|
Tuesday Night
May 26
|
Chance Showers And Thunderstorms
|
66°F |
6 mph
SE
|
|
Wednesday
May 27
|
Showers And Thunderstorms
|
78°F |
5 mph
SE
|
|
Wednesday Night
May 27
|
Showers And Thunderstorms Likely then Chance Showers And Thunderstorms
|
65°F |
5 mph
NE
|
|
Thursday
May 28
|
Chance Rain Showers then Chance Showers And Thunderstorms
|
82°F |
3 to 8 mph
N
|
|
Thursday Night
May 28
|
Chance Showers And Thunderstorms
|
59°F |
8 mph
NE
|
|
Friday
May 29
|
Slight Chance Rain Showers
|
75°F |
8 to 14 mph
NE
|
|
Friday Night
May 29
|
Partly Cloudy
|
54°F |
9 to 14 mph
NE
|
|
Saturday
May 30
|
Mostly Sunny
|
74°F |
13 mph
NE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Vandalia.
