Weather in Mermentau, LA
Mermentau, Saturday, 31 October, 18:50
Light rain. Feels like 77°. High 80°, low 68°.
Monthly outlook for Mermentau, LA: average high 75.6°, average low 60.3°. That is 2.1° above the climate normal for October. Precipitation is expected on 5 days (about 3.9 inches), against a normal of 4 days and 1.6 inches. The warmest day looks like 1 November (82.6°), the coolest 15 November (44.3°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 31 October – 9 November | 77.8° | 72.8° | +2.8° |
| 10 November – 19 November | 72° | 69.8° | +1.2° |
| 20 November – 29 November | at normal | 67.5° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Lake Arthur (9 mi).
0
Mermentau, Sunday, 1 November
Overcast. High 83°, low 70°.
0.03Mermentau, Monday, 2 November
Light rain. High 81°, low 69°.
0.96Mermentau, Tuesday, 3 November
Heavy rain. High 80°, low 69°.
0.51Mermentau, Wednesday, 4 November
Rain. High 76°, low 63°.
0
Mermentau, Thursday, 5 November
Clear. High 77°, low 56°.
0
Mermentau, Friday, 6 November
Partly cloudy. High 82°, low 61°.
0Mermentau, Saturday, 7 November
Clear. High 79°, low 59°.
0Mermentau, Sunday, 8 November
Clear. High 69°, low 56°.
0Mermentau, Monday, 9 November
Clear. High 72°, low 50°.
0Mermentau, Tuesday, 10 November
Partly cloudy. High 75°, low 53°.
0Mermentau, Wednesday, 11 November
Partly cloudy. High 79°, low 59°.
0Mermentau, Thursday, 12 November
Partly cloudy. High 78°, low 68°.
0.53Mermentau, Friday, 13 November
Rain. High 79°, low 70°.
0.28Mermentau, Saturday, 14 November
Rain. High 65°, low 50°.
0Mermentau, Sunday, 15 November
Overcast. High 56°, low 44°.
0.18Mermentau, Monday, 16 November
Climate normal for this date — 60-year average.
0.08Mermentau, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.23
Mermentau, Wednesday, 18 November
Climate normal for this date — 60-year average.
0.13Mermentau, Thursday, 19 November
Climate normal for this date — 60-year average.
0.14Mermentau, Friday, 20 November
Climate normal for this date — 60-year average.
0.09Mermentau, Saturday, 21 November
Climate normal for this date — 60-year average.
0.08Mermentau, Sunday, 22 November
Climate normal for this date — 60-year average.
0.15Mermentau, Monday, 23 November
Climate normal for this date — 60-year average.
0.11Mermentau, Tuesday, 24 November
Climate normal for this date — 60-year average.
0.13Mermentau, Wednesday, 25 November
Climate normal for this date — 60-year average.
0.14Mermentau, Thursday, 26 November
Climate normal for this date — 60-year average.
0.26Mermentau, Friday, 27 November
Climate normal for this date — 60-year average.
0.18Mermentau, Saturday, 28 November
Climate normal for this date — 60-year average.
0.11Mermentau, Sunday, 29 November
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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