St. James Weather Forecast 15 Days, Weather in St. James Today
Current weather conditions and 15 day weather forecast for St. James, Louisiana, USA including weather daily high/low temperature, warnings, chance of precipitation, pressure, humidity/wind chill, rain risk, wind speed, cloud, pressure, and UV index.
Current weather conditions at St. James
| 21 December 2025 Sunday 23.2 ° C / 73.8°F  Light rain |
Feels Like : 25.1 ° C / 77.2°F Humidity : % 94 Pressure : 1022 mb Wind Speed : 5 kmph / 3.1 miles from SSE  Visibility : 4.8 km Precipitation (rainfall) : 0 mm Cloud (%) : 75 |
15 day weather forecast for St. James, LA, USA
Weather Forecast for next 15 Days for St. James including weather warnings, temperature, rain, wind speed, cloud, snow, wind speed and wind direction, pressure and UV index.Here is weather for the next 15 days in St. James, Louisiana state, US. To see the daily forecast, scroll to the table below.
| Date | Weather forecast | Low temperature | High temperature | Avg. temperature | Humidity | Chance of rain | UV Index | Sun Position | Moon Position | |
|---|---|---|---|---|---|---|---|---|---|---|
| 21 December 2025 Sunday |  Moderate rain |
17.9 ° C (64.2°F) |
26.5 ° C (79.7°F) |
21.2 ° C (70.2°F) |
% 89 | 86% | 0.6 | Sunrise:06:55 AM Sunset: 05:08 PM |
Moonrise:08:24 AM Moonset: 06:33 PM Moon Phase ( Waxing Crescent ) |
|
| 22 December 2025 Monday | Moderate rain |
18.2 ° C (64.8°F) |
23.4 ° C (74.1°F) |
20.1 ° C (68.2°F) |
% 89 | 88% | 0.7 | Sunrise:06:55 AM Sunset: 05:08 PM |
Moonrise:09:06 AM Moonset: 07:34 PM Moon Phase ( Waxing Crescent ) |
|
| 23 December 2025 Tuesday |  Partly Cloudy |
17 ° C (62.6°F) |
22.9 ° C (73.2°F) |
18.9 ° C (66°F) |
% 85 | 0% | 0.8 | Sunrise:06:56 AM Sunset: 05:09 PM |
Moonrise:09:43 AM Moonset: 08:33 PM Moon Phase ( Waxing Crescent ) |
|
| 24 December 2025 Wednesday |  Sunny |
15.3 ° C (59.5°F) |
24.2 ° C (75.6°F) |
18.6 ° C (65.5°F) |
% 82 | 0% | 0.8 | Sunrise:06:56 AM Sunset: 05:09 PM |
Moonrise:10:16 AM Moonset: 09:33 PM Moon Phase ( Waxing Crescent ) |
|
| 25 December 2025 Thursday |  Mist |
15.2 ° C (59.4°F) |
23.8 ° C (74.9°F) |
17.7 ° C (63.8°F) |
% 87 | 0% | 0 | Sunrise:06:57 AM Sunset: 05:10 PM |
Moonrise:10:46 AM Moonset: 10:32 PM Moon Phase ( Waxing Crescent ) |
|
| 26 December 2025 Friday | Sunny |
16.3 ° C (61.4°F) |
25.6 ° C (78.1°F) |
20 ° C (68°F) |
% 75 | 0% | 6 | Sunrise:06:57 AM Sunset: 05:10 PM |
Moonrise:11:16 AM Moonset: 11:33 PM Moon Phase ( Waxing Crescent ) |
|
| 27 December 2025 Saturday | Mist |
17.5 ° C (63.4°F) |
25 ° C (77.1°F) |
20.6 ° C (69°F) |
% 83 | 0% | 5 | Sunrise:06:57 AM Sunset: 05:11 PM |
Moonrise:11:45 AM Moonset: No moonset Moon Phase ( First Quarter ) |
|
| 28 December 2025 Sunday | Sunny |
16.7 ° C (62°F) |
25.4 ° C (77.7°F) |
20.1 ° C (68.2°F) |
% 80 | 0% | 6 | Sunrise:06:58 AM Sunset: 05:12 PM |
Moonrise:12:16 PM Moonset: 12:34 AM Moon Phase ( Waxing Gibbous ) |
|
| 29 December 2025 Monday | Sunny |
15.9 ° C (60.7°F) |
24.7 ° C (76.5°F) |
19.2 ° C (66.6°F) |
% 77 | 0% | 5 | Sunrise:06:58 AM Sunset: 05:12 PM |
Moonrise:12:51 PM Moonset: 01:40 AM Moon Phase ( Waxing Gibbous ) |
|
| 30 December 2025 Tuesday |  Patchy rain nearby |
16.2 ° C (61.2°F) |
25 ° C (77.1°F) |
19.6 ° C (67.3°F) |
% 80 | 89% | 4 | Sunrise:06:58 AM Sunset: 05:13 PM |
Moonrise:01:33 PM Moonset: 02:49 AM Moon Phase ( Waxing Gibbous ) |
|
| 31 December 2025 Wednesday | Patchy rain nearby |
14.1 ° C (57.3°F) |
19.3 ° C (66.7°F) |
17.8 ° C (64°F) |
% 84 | 89% | 4 | Sunrise:06:59 AM Sunset: 05:14 PM |
Moonrise:02:22 PM Moonset: 04:01 AM Moon Phase ( Waxing Gibbous ) |
|
| 01 January 2026 Thursday | Sunny |
10 ° C (50°F) |
19.4 ° C (66.9°F) |
13.9 ° C (57.1°F) |
% 67 | 0% | 4 | Sunrise:06:59 AM Sunset: 05:14 PM |
Moonrise:03:21 PM Moonset: 05:14 AM Moon Phase ( Waxing Gibbous ) |
|
| 02 January 2026 Friday | Moderate rain |
12.7 ° C (54.9°F) |
20.4 ° C (68.7°F) |
16.2 ° C (61.2°F) |
% 80 | 86% | 4 | Sunrise:06:59 AM Sunset: 05:15 PM |
Moonrise:04:28 PM Moonset: 06:23 AM Moon Phase ( Waxing Gibbous ) |
|
| 03 January 2026 Saturday | Patchy rain nearby |
11 ° C (51.8°F) |
16.5 ° C (61.7°F) |
14.4 ° C (58°F) |
% 90 | 86% | 3 | Sunrise:06:59 AM Sunset: 05:16 PM |
Moonrise:05:40 PM Moonset: 07:25 AM Moon Phase ( Full Moon ) |
|
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