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Jaynesville, Mississippi Weather Forecast
Jaynesville, Mississippi Weather
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Click for Dense Fog Advisory for Jaynesville, Mississippi
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Weather Forecast for Jaynesville, Mississippi : Simpson County
Issued: 1:15 am CST Dec 7, 2025 Latitude: 31.7751632 Longitude: -89.7667418 View on Google Maps

MouseOver for Detail Forecast
Overnight Sunday Monday Tuesday Wednesday Thursday Friday Saturday
Fog on Overnight 40% chance of rain on Sunday Mostly Cloudy on Monday Sunny on Tuesday Sunny on Wednesday 20% chance of rain on Thursday 20% chance of rain on Friday Sunny on Saturday
Low: 48°F High: 63°F High: 54°F High: 57°F High: 65°F High: 70°F High: 55°F High: 45°F
Low: 44°F Low: 31°F Low: 37°F Low: 46°F Low: 45°F Low: 27°F  
Fog Rain Mostly Cloudy Sunny Sunny Rain Rain Sunny
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Current Conditions at
LAUREL-HATIESBURG - (KPIB)
45°
Cloudy
Light Rain Fog
as of 1:36 AM CST
Rel. Humidity: 100%
Dew Point: 45°F
Visibility: 1/2 Miles
Pressure: 30.00 in.
Flight Rule: LIFR
Wind Data
3 MPH
090° East
Cloud Level(s): Solid Overcast at 300ft
Current Conditions at
JACKSON INTERNATIONAL - (KJAN)
50°
Cloudy
as of 12:54 AM CST
Rel. Humidity: 93%
Dew Point: 48°F
Visibility: 10 Miles
Pressure: 29.97 in.
Flight Rule: IFR
Wind Data
8 MPH
160° South
Cloud Level(s): Solid Overcast at 600ft
Current Conditions at
HATTIESBURG - (KHBG)
46°
Cloudy
as of 1:10 AM CST
Rel. Humidity: 93%
Dew Point: 45°F
Visibility: 9 Miles
Pressure: 30.00 in.
Flight Rule: LIFR
Wind Data
Calm
Cloud Level(s): Solid Overcast at 200ft
Current Conditions at
JACKSON HAWKINS FIELD - (KHKS)
48°
Cloudy
as of 12:53 AM CST
Rel. Humidity: 100%
Dew Point: 48°F
Visibility: 10 Miles
Pressure: 29.96 in.
Flight Rule: IFR
Wind Data
7 MPH
170° South
Cloud Level(s): Solid Overcast at 600ft
Fog on Overnight Overnight... Widespread dense fog. Otherwise, cloudy, with a steady temperature around 48. Calm wind.
40% chance of rain Sunday Sunday... A 40 percent chance of showers, mainly after 5pm. Widespread dense fog, mainly before 9am. Otherwise, mostly cloudy, with a high near 63. Calm wind becoming east around 5 mph.
70% chance of thunderstorms Sunday Night Sunday Night... Showers and thunderstorms likely before 11pm, then a slight chance of showers between 11pm and midnight. Cloudy, with a low around 44. Light north northeast wind becoming north 5 to 10 mph in the evening. Winds could gust as high as 20 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Mostly Cloudy on Monday Monday... Mostly cloudy, then gradually becoming sunny, with a high near 54. North wind 5 to 10 mph, with gusts as high as 20 mph.
Mostly Clear on Monday Night Monday Night... Mostly clear, with a low around 31. North wind around 5 mph becoming calm in the evening.
Sunny on Tuesday Tuesday... Sunny, with a high near 57. Calm wind.
Clear on Tuesday Night Tuesday Night... Clear, with a low around 37. Calm wind becoming south southwest around 5 mph after midnight.
Sunny on Wednesday Wednesday... Sunny, with a high near 65. Southwest wind 5 to 10 mph.
Cloudy on Wednesday Night Wednesday Night... Partly cloudy, with a low around 46. South southwest wind around 5 mph.
20% chance of rain Thursday Thursday... A 20 percent chance of showers after noon. Mostly sunny, with a high near 70.
40% chance of thunderstorms Thursday Night Thursday Night... A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 45.
20% chance of rain Friday Friday... A 20 percent chance of showers. Mostly sunny, with a high near 55.
Mostly Clear on Friday Night Friday Night... Mostly clear, with a low around 27.
Sunny on Saturday Saturday... Sunny, with a high near 45.
Current Radar Image


Sun Almanac for Jaynesville, Mississippi
Sunrise: 06:46 AM
Sunset: 4:55 PM
Civil Sunrise:06:20 AM
Civil Sunset: 5:22 PM
Nautical Sunrise: 05:49 AM
Nautical Sunset: 5:52 PM
Astro Sunrise: 05:20 AM
Astro Sunset: 6:22 PM
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