What is today's weather forecast for Trinity, LA?

Today's forecast for Trinity shows a high of 66 degrees and a low of 54 degrees Fahrenheit. A 30 percent chance of showers before 1pm.

What is the 7-day weather forecast for Trinity, LA?

The 7-day forecast for Trinity shows highs from 60 to 75 degrees and lows from 40 to 57 degrees Fahrenheit. Expect precipitation on 2 days with chances of 20% or higher.

Will it rain in Trinity, LA this week?

Yes, rain is possible in Trinity this week. Precipitation chances: Wednesday (30% chance), Thursday (50% chance).

How accurate is the Trinity weather forecast?

WeatherForYou provides highly accurate Trinity forecasts using National Weather Service data and current conditions from the nearest available weather stations, often miles closer than regional airports, for the most precise local forecasts.

Trinity, LA Weather Forecast and Current Conditions

Current Conditions From Nearby Local Station

Switch to Metric Units

55°F
Feels Like 55°F

Humidity 80% Dew Point 49°F Wind ESE 1 MPH Gusts 3 Barometer 30.12 in.

Solar Rad 76 w/m²

Report from a MADIS/MESONET weather station 4 mi. SW of central Trinity
at 10:40 AM Wed, Dec 17, 2025

Point Forecast at a Glance

WedDec 17

30%

ThuDec 18

50%

FriDec 19

SatDec 20

SunDec 21

MonDec 22

TueDec 23

Jump to detailed forecast ↓

7-Day Temperature Trend

Week Ahead Summary

Warming trend through the week with high temperatures climbing from 66°F to 75°F. Some rain possible with at least 2 days showing precipitation chances of 20% or higher.

Climate Context

This week's forecast shows temperatures running 11°F above the historical average for December. Normal highs for this period are around 60°F with lows around 39°F.

This Date in Weather History

1924 - A severe icestorm struck central Illinois. It coated the ground with nearly two inches of glaze at Springfield. The storm caused 21 million dollars damage along with much hardship. Ice was on the trees until the 4th of January, and electricity was not restored until January 10th.

Trinity, LA 7 Day Weather Forecast Details

Wednesday Dec 17

Day: A 30 percent chance of showers before 1pm. Mostly cloudy, with a high near 66. Calm wind becoming southeast around 5 mph.

Night: Mostly cloudy, with a low around 54. Calm wind becoming south southeast around 5 mph in the evening.

Thursday Dec 18

Day: A chance of showers between noon and 3pm, then a chance of showers and thunderstorms after 3pm. Cloudy, then gradually becoming mostly sunny, with a high near 74. South wind 5 to 15 mph becoming west in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Night: Mostly clear, with a low around 40. North northwest wind 5 to 10 mph, with gusts as high as 20 mph.

Friday Dec 19

Day: Sunny, with a high near 60. North wind around 5 mph becoming east northeast in the afternoon.

Night: Mostly clear, with a low around 40. Calm wind becoming south around 5 mph after midnight.

Saturday Dec 20

Day: Sunny, with a high near 74. South wind 5 to 15 mph, with gusts as high as 20 mph.

Night: Partly cloudy, with a low around 56. South wind 5 to 10 mph, with gusts as high as 20 mph.

Sunday Dec 21

Day: Partly sunny, with a high near 75. South wind 5 to 10 mph.

Night: Mostly cloudy, with a low around 57.

Monday Dec 22

Day: Partly sunny, with a high near 75.

Night: Mostly cloudy, with a low around 57.

Tuesday Dec 23

Day: Partly sunny, with a high near 75.

How We Provide Better Local Weather

Current conditions: We use the nearest available station to your location - including professional MESONET/MADIS and local weather stations - often miles closer than regional airports.

Forecasts: National Weather Service point forecasts predict for your specific area, not broad regional zones, making them far more relevant to your location.

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