Saint Charles, LA Weather Forecast and Current Conditions

Current Conditions From Nearby Local Station

Clear 36°F
Feels Like 36°F  
Humidity 76% Dew Point 30°F Wind Calm Barometer 30.33 in.
Report from a MADIS/MESONET weather station 0.9 mi. SSE of central Saint Charles
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Point Forecast at a Glance

MonDec 15
Mon Dec 15: Partly Cloudy, Low 35F
 
35
TueDec 16
Tue Dec 16: Increasing Clouds, High 61F, Low 50F
61
50
WedDec 17
Wed Dec 17: Showers, High 67F, Low 58F
20%
67
58
ThuDec 18
Thu Dec 18: Thunderstorms, High 76F, Low 50F
30%
76
50
FriDec 19
Fri Dec 19: Sunny, High 62F, Low 48F
62
48
SatDec 20
Sat Dec 20: Sunny, High 72F, Low 60F
72
60
SunDec 21
Sun Dec 21: Mostly Sunny, High 76F, Low 61F
76
61

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7-Day Temperature Trend

Week Ahead Summary

Warming trend through the week with high temperatures climbing from 61°F to 76°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 5°F above the historical average for December. Normal highs for this period are around 65°F with lows around 47°F.

This Date in Weather History

1901 - An intense cold front swept across the eastern U.S. The cold front produced heavy rain in Louisiana, and heavy snow in the northeastern U.S.

More on this and other weather history

Saint Charles, LA 7 Day Weather Forecast Details

Monday Dec 15

Partly Cloudy

Night: Areas of frost before 5am. Otherwise, mostly clear, with a low around 35. Calm wind.

Tuesday Dec 16

Increasing Clouds

Day: Increasing clouds, with a high near 61. Calm wind becoming east around 5 mph in the morning.

Cloudy

Night: Cloudy, with a low around 50. East wind around 5 mph becoming calm in the evening.

Wednesday Dec 17

Showers

Day: A 20 percent chance of showers after noon. Mostly cloudy, with a high near 67. Northeast wind around 5 mph.

Thunderstorms

Night: A slight chance of showers, with thunderstorms also possible after 3am. Patchy fog after 9pm. Otherwise, mostly cloudy, with a low around 58. East wind around 5 mph. Chance of precipitation is 20%.

Thursday Dec 18

Thunderstorms

Day: A slight chance of showers, then a chance of showers and thunderstorms after 9am. Patchy fog before 11am. Otherwise, mostly sunny, with a high near 76. Southeast wind 5 to 10 mph becoming southwest in the afternoon. Chance of precipitation is 30%.

Showers

Night: A 20 percent chance of showers before midnight. Partly cloudy, with a low around 50. Southwest wind 5 to 10 mph becoming north after midnight. Winds could gust as high as 20 mph.

Friday Dec 19

Sunny

Day: Sunny, with a high near 62. Northeast wind 5 to 10 mph.

Mostly Clear

Night: Mostly clear, with a low around 48. Southeast wind around 5 mph.

Saturday Dec 20

Sunny

Day: Sunny, with a high near 72. South wind around 5 mph.

Partly Cloudy

Night: Partly cloudy, with a low around 60. South wind around 5 mph.

Sunday Dec 21

Mostly Sunny

Day: Mostly sunny, with a high near 76. South wind around 5 mph.

Mostly Cloudy

Night: Mostly cloudy, with a low around 61. Southeast wind around 5 mph.

Monday Dec 22

Mostly Sunny

Day: Mostly sunny, with a high near 74. Southeast wind around 5 mph.

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.