Weather in Mermentau, LA
Mermentau, Sunday, 15 November, 02:47
Partly cloudy. Feels like 50°. High 57°, low 45°.
Monthly outlook for Mermentau, LA: average high 68.8°, average low 53.8°. That is 0.4° above the climate normal for November. Precipitation is expected on 6 days (about 3.4 inches), against a normal of 5 days and 2.3 inches. The warmest day looks like 22 November (76.3°), the coolest 15 November (45.2°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 15 November – 24 November | 70.3° | 68.8° | +0.8° |
| 25 November – 4 December | 66.4° | 66.2° | +0.1° |
| 5 December – 14 December | at normal | 64.1° | — |
November records over 66 years
Climate normals and records are computed from the nearest reference point — Lake Arthur (9 mi).
0.06
Mermentau, Monday, 16 November
Light rain. High 65°, low 46°.
0
Mermentau, Tuesday, 17 November
Clear. High 68°, low 47°.
0
Mermentau, Wednesday, 18 November
Partly cloudy. High 74°, low 51°.
0
Mermentau, Thursday, 19 November
Overcast. High 75°, low 55°.
0Mermentau, Friday, 20 November
Clear. High 76°, low 55°.
0Mermentau, Saturday, 21 November
Overcast. High 75°, low 53°.
0
Mermentau, Sunday, 22 November
Mostly clear. High 76°, low 57°.
0Mermentau, Monday, 23 November
Overcast. High 71°, low 54°.
0Mermentau, Tuesday, 24 November
Overcast. High 68°, low 51°.
1.13Mermentau, Wednesday, 25 November
Heavy rain. High 62°, low 50°.
0.1Mermentau, Thursday, 26 November
Light rain. High 58°, low 55°.
0Mermentau, Friday, 27 November
Overcast. High 64°, low 57°.
0Mermentau, Saturday, 28 November
Overcast. High 73°, low 58°.
1.4Mermentau, Sunday, 29 November
Rain. High 66°, low 62°.
0.24Mermentau, Monday, 30 November
Light rain. High 75°, low 65°.
0.12Mermentau, Tuesday, 1 December
Climate normal for this date — 60-year average.
0.1Mermentau, Wednesday, 2 December
Climate normal for this date — 60-year average.
0.17Mermentau, Thursday, 3 December
Climate normal for this date — 60-year average.
0.16Mermentau, Friday, 4 December
Climate normal for this date — 60-year average.
0.12Mermentau, Saturday, 5 December
Climate normal for this date — 60-year average.
0.18
Mermentau, Sunday, 6 December
Climate normal for this date — 60-year average.
0.12Mermentau, Monday, 7 December
Climate normal for this date — 60-year average.
0.14Mermentau, Tuesday, 8 December
Climate normal for this date — 60-year average.
0.17Mermentau, Wednesday, 9 December
Climate normal for this date — 60-year average.
0.15Mermentau, Thursday, 10 December
Climate normal for this date — 60-year average.
0.13Mermentau, Friday, 11 December
Climate normal for this date — 60-year average.
0.11Mermentau, Saturday, 12 December
Climate normal for this date — 60-year average.
0.19Mermentau, Sunday, 13 December
Climate normal for this date — 60-year average.
0.16Mermentau, Monday, 14 December
Climate normal for this date — 60-year average.
About the monthly outlook
How accurate is a 30-day forecast?
The first 16 days come from weather models — reliable for the first 3–5 days and progressively less so after that. Days 17 through 30 for Mermentau, LA are built from the climate normal, the 60-year average, so they show typical weather for those dates rather than a specific forecast.
What does "above normal" mean?
We compare the forecast against the climate normal for those exact calendar days, computed from 60 years of observations. The deviation shows how much the coming month differs from a typical one.
Where do the 66-year records come from?
They are real temperature extremes recorded in Mermentau, LA since 1960: the highest and lowest reading for each calendar date, with the year it happened.
How often is it updated?
The forecast portion refreshes every hour; the climate portion is based on long-term data and stays stable.
Sun and moon today
Weather history
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