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St. James LA Weather - Mostly Cloudy - 96°F
Mostly Cloudy
96°F
Updated 4:47 pm
Feels Like 98°F
Humidity 45%
Wind N 0 mph
Barometer  29.97 in
Dew Point 72°F
St. James LA Weather - Mostly Cloudy - 36°C
Mostly Cloudy
36°C
Updated 4:47 pm
Feels Like 37°C
Humidity 45%
Wind N 0 km/h
Barometer  101.5 kPa
Dew Point 22°C
St. James, LA Weather and Current Conditionsst. james la weather forecast

St. James, LA Weather Forecast

St. James Louisiana WeatherSt. James, Louisiana Weather Weather Forecast
14 Day API St. James, LA Weather Forecast. Note: Our 7 day St. James, Louisiana weather forecast is our most reliable, and specific forecast. This model should only be used as a probable scenario. Forecasting more than 7 days ahead is challenging.
St. James, LA Weather Forecast Dated: 447 PM Sun Sep 13 2026
Expect a hot stretch with plenty of sunshine and mostly dry weather over the coming period. moderate humidity and no major pressure swings will dominate. Isolated storms at times.

Sunday, September 13, 2026

Mid-Morning
St. James Weather - 2026-09-13 - Morning - Sunny
83°F 28°C
Sunny
Mid-Afternoon
St. James Weather - 2026-09-13 - Afternoon - Overcast
90°F 32°C
Overcast
Early-Evening
St. James Weather - 2026-09-13 - Evening - Overcast
84°F 29°C
Overcast
Sizzling hot near 90°F 32°C with a heat index reaching 99°F 37°C, sunny in the morning, becoming overcast through the afternoon and evening, with steady humidity and steady pressure. A stray shower or storm late in the day.

Monday, September 14, 2026

Mid-Morning
St. James Weather - 2026-09-14 - Morning - Sunny
82°F 28°C
Sunny
Mid-Afternoon
St. James Weather - 2026-09-14 - Afternoon - Scattered Showers
90°F 32°C
Scattered Showers
Early-Evening
St. James Weather - 2026-09-14 - Evening - Scattered Showers
83°F 29°C
Scattered Showers
Hot and sweltering around 90°F 32°C (heat index 99°F 37°C), scattered downpours possible, with steady humidity and steady pressure.

Tuesday, September 15, 2026

Mid-Morning
St. James Weather - 2026-09-15 - Morning - Sunny
84°F 29°C
Sunny
Mid-Afternoon
St. James Weather - 2026-09-15 - Afternoon - Partly Cloudy
97°F 36°C
Partly Cloudy
Early-Evening
St. James Weather - 2026-09-15 - Evening - Cloudy
82°F 28°C
Cloudy
Very hot with a high of 97°F 36°C, feeling closer to 103°F 40°C in the humidity, sunny in the morning, cloudy in the afternoon, and partly cloudy this evening, with steady humidity and steady pressure.

Wednesday, September 16, 2026

Mid-Morning
St. James Weather - 2026-09-16 - Morning - Sunny
84°F 29°C
Sunny
Mid-Afternoon
St. James Weather - 2026-09-16 - Afternoon - Cloudy
91°F 33°C
Cloudy
Early-Evening
St. James Weather - 2026-09-16 - Evening - Sunny
84°F 29°C
Sunny
Sizzling hot near 91°F 33°C with a heat index reaching 96°F 36°C, sunny in the morning, cloudy in the afternoon, and sunny this evening, with steady humidity and steady pressure. Winds turning from the E to the SE at 9 mph 13 km/h.

Thursday, September 17, 2026

Mid-Morning
St. James Weather - 2026-09-17 - Morning - Sunny
82°F 28°C
Sunny
Mid-Afternoon
St. James Weather - 2026-09-17 - Afternoon - Sunny
93°F 34°C
Sunny
Early-Evening
St. James Weather - 2026-09-17 - Evening - Sunny
83°F 29°C
Sunny
Very hot with a high of 93°F 34°C, sunny throughout the day, with lower humidity and steady pressure. Winds switching from the NE to the SSE at 6 mph 10 km/h.

Friday, September 18, 2026

Mid-Morning
St. James Weather - 2026-09-18 - Morning - Sunny
80°F 27°C
Sunny
Mid-Afternoon
St. James Weather - 2026-09-18 - Afternoon - Sunny
97°F 36°C
Sunny
Early-Evening
St. James Weather - 2026-09-18 - Evening - Sunny
86°F 30°C
Sunny
Very hot with a high of 97°F 36°C, feeling closer to 101°F 38°C in the humidity, sunny through the afternoon, turning cloudy this evening, with steady humidity and barometric pressure falling.

Saturday, September 19, 2026

Mid-Morning
St. James Weather - 2026-09-19 - Morning - Scattered Showers
82°F 28°C
Scattered Showers
Mid-Afternoon
St. James Weather - 2026-09-19 - Afternoon - Light Showers
93°F 34°C
Light Showers
Early-Evening
St. James Weather - 2026-09-19 - Evening - Scattered Showers
78°F 25°C
Scattered Showers
Sizzling hot near 93°F 34°C with a heat index reaching 99°F 37°C, periods of heavy rain and gusty conditions, with increasing humidity and steady pressure. Winds moving from the W to the SW at 4 mph 7 km/h.

Sunday, September 20, 2026

Mid-Morning
St. James Weather - 2026-09-20 - Morning - Sunny
78°F 26°C
Sunny
Mid-Afternoon
St. James Weather - 2026-09-20 - Afternoon - Scattered Showers
90°F 32°C
Scattered Showers
Early-Evening
St. James Weather - 2026-09-20 - Evening - Sunny
80°F 27°C
Sunny
Hot and sweltering around 90°F 32°C (heat index 93°F 34°C), scattered downpours possible, with lower humidity and steady pressure.

Monday, September 21, 2026

Mid-Morning
St. James Weather - 2026-09-21 - Morning - Sunny
80°F 26°C
Sunny
Mid-Afternoon
St. James Weather - 2026-09-21 - Afternoon - Overcast
86°F 30°C
Overcast
Early-Evening
St. James Weather - 2026-09-21 - Evening - Overcast
80°F 27°C
Overcast
Very warm near 86°F 30°C, though humidity makes it feel like 91°F 33°C, partly cloudy in the morning, overcast in the afternoon, and partly cloudy this evening, with steady humidity and steady pressure.

Tuesday, September 22, 2026

Mid-Morning
St. James Weather - 2026-09-22 - Morning - Sunny
81°F 27°C
Sunny
Mid-Afternoon
St. James Weather - 2026-09-22 - Afternoon - Overcast
90°F 32°C
Overcast
Early-Evening
St. James Weather - 2026-09-22 - Evening - Partly Cloudy
82°F 28°C
Partly Cloudy
Sizzling hot near 90°F 32°C with a heat index reaching 97°F 36°C, sunny in the morning, cloudy in the afternoon, and partly cloudy this evening, with steady humidity and steady pressure.

Wednesday, September 23, 2026

Mid-Morning
St. James Weather - 2026-09-23 - Morning - Sunny
76°F 25°C
Sunny
Mid-Afternoon
St. James Weather - 2026-09-23 - Afternoon - Sunny
91°F 33°C
Sunny
Early-Evening
St. James Weather - 2026-09-23 - Evening - Sunny
79°F 26°C
Sunny
Very hot with temperatures reaching 91°F 33°C, sunny throughout the day, with steady humidity and steady pressure.

Thursday, September 24, 2026

Mid-Morning
St. James Weather - 2026-09-24 - Morning - Sunny
69°F 20°C
Sunny
Mid-Afternoon
St. James Weather - 2026-09-24 - Afternoon - Sunny
84°F 29°C
Sunny
Early-Evening
St. James Weather - 2026-09-24 - Evening - Sunny
72°F 23°C
Sunny
Balmy with temperatures reaching 84°F 29°C, sunny throughout the day, with lower humidity and steady pressure. Winds out of the N at 11 mph 17 km/h.

Friday, September 25, 2026

Mid-Morning
St. James Weather - 2026-09-25 - Morning - Sunny
69°F 20°C
Sunny
Mid-Afternoon
St. James Weather - 2026-09-25 - Afternoon - Sunny
83°F 29°C
Sunny
Early-Evening
St. James Weather - 2026-09-25 - Evening - Sunny
73°F 23°C
Sunny
Quite warm around 83°F 29°C, sunny through the afternoon, turning partly cloudy this evening, with steady humidity and steady pressure. Winds shifting from the NNE to the NE at 6 mph 10 km/h.

Saturday, September 26, 2026

Mid-Morning
St. James Weather - 2026-09-26 - Morning - Sunny
72°F 22°C
Sunny
Mid-Afternoon
St. James Weather - 2026-09-26 - Afternoon - Sunny
84°F 29°C
Sunny
Early-Evening
St. James Weather - 2026-09-26 - Evening - Partly Cloudy
74°F 23°C
Partly Cloudy
Warm temperatures up to 84°F 29°C, sunny in the morning, partly cloudy in the afternoon, and cloudy this evening, with steady humidity and steady pressure.

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Weather by the Numbers

Sun, 13th
St. James LA Weather - Sunday, Sep 13, 2026 - Patchy Rain Nearby
Hi: 95°F 35°C
Lo: 75°F 24°C
Sunrise 06:46 AM
Sunset 07:11 PM
Wind NNW 2 mph4 km/h
Dew Point 73°F23°C
uv Index 8
Barometric Pressure 30.03 in1017 mb
POP 12% *
Humidity 52%
Mon, 14th
St. James LA Weather - Monday, Sep 14, 2026 - Sunny
Hi: 96°F 35°C
Lo: 75°F 24°C
Sunrise 06:47 AM
Sunset 07:09 PM
Wind NNE 2 mph3 km/h
Dew Point 73°F23°C
uv Index 8
Barometric Pressure 30.06 in1018 mb
POP 2% *
Humidity 51%
Tue, 15th
St. James LA Weather - Tuesday, Sep 15, 2026 - Sunny
Hi: 97°F 36°C
Lo: 75°F 24°C
Sunrise 06:47 AM
Sunset 07:08 PM
Wind E 6 mph10 km/h
Dew Point 70°F21°C
uv Index 8
Barometric Pressure 30.12 in1020 mb
POP 1% *
Humidity 48%
Wed, 16th
St. James LA Weather - Wednesday, Sep 16, 2026 - Sunny
Hi: 94°F 35°C
Lo: 75°F 24°C
Sunrise 06:48 AM
Sunset 07:07 PM
Wind E 11 mph18 km/h
Dew Point 69°F21°C
uv Index 8
Barometric Pressure 30.18 in1022 mb
POP 2% *
Humidity 45%
Thu, 17th
St. James LA Weather - Thursday, Sep 17, 2026 - Sunny
Hi: 93°F 34°C
Lo: 73°F 23°C
Sunrise 06:48 AM
Sunset 07:06 PM
Wind ENE 11 mph18 km/h
Dew Point 64°F18°C
uv Index 8
Barometric Pressure 30.18 in1022 mb
POP 1% *
Humidity 41%
Fri, 18th
St. James LA Weather - Friday, Sep 18, 2026 - Sunny
Hi: 97°F 36°C
Lo: 72°F 22°C
Sunrise 06:49 AM
Sunset 07:04 PM
Wind NNW 5 mph8 km/h
Dew Point 67°F20°C
uv Index 8
Barometric Pressure 30.06 in1018 mb
POP 1% *
Humidity 45%
Sat, 19th
St. James LA Weather - Saturday, Sep 19, 2026 - Partly Cloudy
Hi: 94°F 34°C
Lo: 72°F 22°C
Sunrise 06:49 AM
Sunset 07:03 PM
Wind S 4 mph7 km/h
Dew Point 70°F21°C
uv Index 8
Barometric Pressure 29.94 in1014 mb
POP 17% *
Humidity 52%
Sun, 20th
St. James LA Weather - Sunday, Sep 20, 2026 - Sunny
Hi: 91°F 33°C
Lo: 70°F 21°C
Sunrise 06:50 AM
Sunset 07:02 PM
Wind ENE 3 mph5 km/h
Dew Point 68°F20°C
uv Index 8
Barometric Pressure 29.88 in1012 mb
POP 4% *
Humidity 53%
Mon, 21st
St. James LA Weather - Monday, Sep 21, 2026 - Partly Cloudy
Hi: 91°F 33°C
Lo: 70°F 21°C
Sunrise 06:51 AM
Sunset 07:00 PM
Wind W 3 mph5 km/h
Dew Point 68°F20°C
uv Index 8
Barometric Pressure 29.88 in1012 mb
POP 9% *
Humidity 50%
Tue, 22nd
St. James LA Weather - Tuesday, Sep 22, 2026 - Sunny
Hi: 94°F 35°C
Lo: 73°F 23°C
Sunrise 06:51 AM
Sunset 06:59 PM
Wind NW 5 mph8 km/h
Dew Point 70°F21°C
uv Index 8
Barometric Pressure 29.91 in1013 mb
POP 7% *
Humidity 51%
Wed, 23rd
St. James LA Weather - Wednesday, Sep 23, 2026 - Sunny
Hi: 92°F 33°C
Lo: 67°F 19°C
Sunrise 06:52 AM
Sunset 06:58 PM
Wind NNE 6 mph10 km/h
Dew Point 53°F12°C
uv Index 8
Barometric Pressure 30 in1016 mb
POP 1% *
Humidity 32%
Thu, 24th
St. James LA Weather - Thursday, Sep 24, 2026 - Sunny
Hi: 85°F 30°C
Lo: 59°F 15°C
Sunrise 06:52 AM
Sunset 06:57 PM
Wind NNE 10 mph15 km/h
Dew Point 46°F8°C
uv Index 7
Barometric Pressure 30.03 in1017 mb
POP 1% *
Humidity 32%
Fri, 25th
St. James LA Weather - Friday, Sep 25, 2026 - Sunny
Hi: 84°F 29°C
Lo: 58°F 15°C
Sunrise 06:53 AM
Sunset 06:55 PM
Wind NNE 8 mph13 km/h
Dew Point 51°F10°C
uv Index 7
Barometric Pressure 30.03 in1017 mb
POP 1% *
Humidity 37%
Sat, 26th
St. James LA Weather - Saturday, Sep 26, 2026 - Sunny
Hi: 85°F 29°C
Lo: 62°F 17°C
Sunrise 06:53 AM
Sunset 06:54 PM
Wind NE 8 mph13 km/h
Dew Point 54°F12°C
uv Index 7
Barometric Pressure 30.09 in1019 mb
POP 2% *
Humidity 39%
* POP = Probability of Precipitation. Data for 12:00 PM.