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Oak Grove, Indiana Weather Forecast
Oak Grove, Indiana Weather
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Weather Forecast for Oak Grove, Indiana : Posey County
Issued: 10:51 pm CST Jan 8, 2026 Latitude: 37.8361559 Longitude: -88.0216977 View on Google Maps

MouseOver for Detail Forecast
Tonight Friday Saturday Sunday Monday Tuesday Wednesday Thursday
90% chance of thunderstorms on Tonight Mostly Cloudy on Friday 30% chance of rain on Saturday Sunny on Sunday Sunny on Monday Mostly Sunny on Tuesday 10% chance of rain on Wednesday Partly Sunny on Thursday
Low: 64°F High: 51 °F High: 49°F High: 35°F High: 45°F High: 52°F High: 44°F High: 37°F
Low: 44°F Low: 26°F Low: 23°F Low: 33°F Low: 36°F Low: 26°F  
Thunderstorms Mostly Cloudy Rain Sunny Sunny Mostly Sunny Rain Partly Sunny
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Current Conditions at
HENDERSON CITY - (KEHR)
66°
Cloudy
Light Rain
as of 10:56 PM CST
Rel. Humidity: 82%
Dew Point: 61°F
Visibility: 6 Miles
Pressure: 29.71 in.
Flight Rule: MVFR
Wind Data
20 MPH
Gust: 31 MPH
180° South
Cloud Level(s): Solid Overcast at 2700ft
Current Conditions at
HARRISBURG-RALEIGH - (KHSB)
68°
Cloudy
as of 10:55 PM CST
Rel. Humidity: 72%
Dew Point: 59°F
Visibility: 10 Miles
Pressure: 29.69 in.
Flight Rule: VFR
Wind Data
17 MPH
Gust: 24 MPH
200° South
Cloud Level(s): Scattered at 2400ft, Broken at 3100ft, Solid Overcast at 4400ft
Current Conditions at
EVANSVILLE - (KEVV)
63°
Cloudy
Heavy Rain Mist
as of 11:09 PM CST
Rel. Humidity: 93%
Dew Point: 61°F
Visibility: 1 3/4 Miles
Pressure: 29.72 in.
Flight Rule: IFR
Wind Data
14 MPH
260° West
Cloud Level(s): Broken at 1900ft, Solid Overcast at 2900ft
Current Conditions at
FAIRFIELD MUNICIPAL ARPT - (KFWC)
66°
Cloudy
as of 10:55 PM CST
Rel. Humidity: 77%
Dew Point: 59°F
Visibility: 10 Miles
Pressure: 29.65 in.
Flight Rule: MVFR
Wind Data
21 MPH
Gust: 28 MPH
190° South
Cloud Level(s): Broken at 2700ft, Broken at 3300ft, Solid Overcast at 8500ft
90% chance of thunderstorms Tonight Tonight... Showers and possibly a thunderstorm before 3am, then a slight chance of showers between 3am and 4am. Some of the storms could produce heavy rainfall. Steady temperature around 64. Breezy, with a south wind 16 to 21 mph, with gusts as high as 33 mph. Chance of precipitation is 90%.

Mostly Cloudy on Friday Friday... Mostly cloudy, with a temperature falling to around 51 by 5pm. West wind 11 to 16 mph becoming north 5 to 10 mph in the afternoon. Winds could gust as high as 26 mph.

40% chance of rain Friday Night Friday Night... A 40 percent chance of showers after midnight. Mostly cloudy, with a low around 44. North northeast wind 3 to 5 mph.

30% chance of rain Saturday Saturday... A 30 percent chance of showers before noon. Cloudy through mid morning, then gradual clearing, with a high near 49. Light northwest wind becoming west northwest 8 to 13 mph in the morning. Winds could gust as high as 20 mph.

Mostly Clear on Saturday Night Saturday Night... Mostly clear, with a low around 26. West northwest wind 7 to 10 mph.

Sunny on Sunday Sunday... Sunny, with a high near 35. West northwest wind 6 to 14 mph, with gusts as high as 21 mph.

Mostly Clear on Sunday Night Sunday Night... Mostly clear, with a low around 23. Light and variable wind.

Sunny on Monday Monday... Sunny, with a high near 45. Light south southwest wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 18 mph.

Mostly Clear on Monday Night Monday Night... Mostly clear, with a low around 33. South southwest wind around 8 mph.

Mostly Sunny on Tuesday Tuesday... Mostly sunny, with a high near 52. South southwest wind 7 to 11 mph, with gusts as high as 18 mph.

10% chance of rain Tuesday Night Tuesday Night... A slight chance of showers. Mostly cloudy, with a low around 36. West southwest wind 6 to 8 mph.

10% chance of rain Wednesday Wednesday... A slight chance of showers. Mostly cloudy, with a high near 44. West wind 6 to 10 mph becoming north northwest in the afternoon.

Mostly Cloudy on Wednesday Night Wednesday Night... Mostly cloudy, with a low around 26. North northwest wind around 7 mph.

Partly Sunny on Thursday Thursday... Partly sunny, with a high near 37. North northwest wind 6 to 8 mph.

Current Radar Image


Sun Almanac for Oak Grove, Indiana
Sunrise: 07:08 AM
Sunset: 4:51 PM
Civil Sunrise:06:39 AM
Civil Sunset: 5:20 PM
Nautical Sunrise: 06:06 AM
Nautical Sunset: 5:52 PM
Astro Sunrise: 05:35 AM
Astro Sunset: 6:24 PM
Any use of the information on this page is at your own risk. This information should not be relied upon in life-threatening situations, potential financial loss situations or in lieu of any officially disseminated information. Visit the National Weather Service for official information.