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Johnson, Louisiana Weather Forecast
Johnson, Louisiana Weather
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Weather Forecast for Johnson, Louisiana : St. John the Baptist County
Issued: 4:10 pm CST Dec 25, 2025 Latitude: 30.0165916 Longitude: -90.634811 View on Google Maps

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Tonight Friday Saturday Sunday Monday Tuesday Wednesday New Year's Day
Fog on Tonight Morning Fog on Friday Morning Fog on Saturday Mostly Sunny on Sunday 40% chance of rain on Monday Mostly Sunny on Tuesday Mostly Sunny on Wednesday Mostly Sunny on New Year's Day
Low: 60°F High: 78°F High: 80°F High: 79°F High: 69°F High: 48°F High: 53°F High: 60°F
Low: 61°F Low: 61°F Low: 57°F Low: 34°F Low: 31°F Low: 35°F  
Fog Morning Fog Morning Fog Mostly Sunny Rain Mostly Sunny Mostly Sunny Mostly Sunny
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Fog on Tonight Tonight... Patchy dense fog after midnight. Otherwise, increasing clouds, with a low around 60. Calm wind.

Morning Fog on Friday Friday... Patchy dense fog before 10am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 78. Light south wind becoming southwest 5 to 10 mph in the morning.

Morning Fog on Friday Night Friday Night... Widespread dense fog, mainly before 4am. Otherwise, partly cloudy, with a low around 61. Southwest wind around 5 mph becoming calm in the evening.

Morning Fog on Saturday Saturday... Patchy dense fog before 7am. Otherwise, mostly sunny, with a high near 80. Calm wind becoming southwest around 5 mph in the afternoon.

Cloudy on Saturday Night Saturday Night... Partly cloudy, with a low around 61. South wind around 5 mph becoming calm in the evening.

Mostly Sunny on Sunday Sunday... Mostly sunny, with a high near 79. Light south wind increasing to 5 to 10 mph in the morning.

40% chance of rain Sunday Night Sunday Night... A 40 percent chance of showers after midnight. Partly cloudy, with a low around 57. South wind around 5 mph becoming west after midnight.

40% chance of rain Monday Monday... A 40 percent chance of showers. Mostly cloudy, with a high near 69. West wind 10 to 15 mph becoming north in the afternoon.

Mostly Cloudy on Monday Night Monday Night... Mostly cloudy, with a low around 34. North wind 10 to 15 mph.

Mostly Sunny on Tuesday Tuesday... Mostly sunny, with a high near 48. North wind 5 to 10 mph, with gusts as high as 20 mph.

Cloudy on Tuesday Night Tuesday Night... Widespread frost. Otherwise, partly cloudy, with a low around 31. North wind around 5 mph becoming calm.

Mostly Sunny on Wednesday Wednesday... Widespread frost. Otherwise, mostly sunny, with a high near 53. Calm wind becoming north around 5 mph.

Cloudy on Wednesday Night Wednesday Night... Areas of frost. Otherwise, partly cloudy, with a low around 35. Calm wind.

Mostly Sunny on New Year's Day New Year's Day... Areas of frost. Otherwise, mostly sunny, with a high near 60. Calm wind becoming northeast around 5 mph in the afternoon.

Sun Almanac for Johnson, Louisiana
Sunrise: 06:56 AM
Sunset: 5:09 PM
Civil Sunrise:06:30 AM
Civil Sunset: 5:36 PM
Nautical Sunrise: 06:00 AM
Nautical Sunset: 6:06 PM
Astro Sunrise: 05:31 AM
Astro Sunset: 6:35 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.