Weather in Grand Bayou, LA
Grand Bayou, Sunday, 9 August, 20:14
Partly cloudy. Feels like 95°. High 95°, low 73°.
Monthly outlook for Grand Bayou, LA: average high 103.1°, average low 74.6°. That is 5.7° above the climate normal for August. Precipitation is expected on 1 day (about 0.2 inches), against a normal of 5 days and 1.4 inches. The warmest day looks like 19 August (106.6°), the coolest 14 August (72.1°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 9 August – 18 August | 102.5° | 93° | +5.3° |
| 19 August – 28 August | 104.1° | 92.6° | +6.4° |
| 29 August – 7 September | at normal | 89.5° | — |
August records over 66 years
Climate normals and records are computed from the nearest reference point — South Mansfield (15 mi).
0
Grand Bayou, Monday, 10 August
Overcast. High 93°, low 74°.
0
Grand Bayou, Tuesday, 11 August
Partly cloudy. High 102°, low 74°.
0
Grand Bayou, Wednesday, 12 August
Clear. High 104°, low 75°.
0Grand Bayou, Thursday, 13 August
Overcast. High 103°, low 77°.
0Grand Bayou, Friday, 14 August
Clear. High 105°, low 72°.
0Grand Bayou, Saturday, 15 August
Clear. High 106°, low 74°.
0
Grand Bayou, Sunday, 16 August
Mostly clear. High 105°, low 73°.
0Grand Bayou, Monday, 17 August
Mostly clear. High 106°, low 75°.
0Grand Bayou, Tuesday, 18 August
Partly cloudy. High 106°, low 77°.
0Grand Bayou, Wednesday, 19 August
Mostly clear. High 107°, low 77°.
0Grand Bayou, Thursday, 20 August
Overcast. High 105°, low 75°.
0Grand Bayou, Friday, 21 August
Overcast. High 105°, low 77°.
0Grand Bayou, Saturday, 22 August
Clear. High 105°, low 73°.
0Grand Bayou, Sunday, 23 August
Clear. High 106°, low 76°.
0.17
Grand Bayou, Monday, 24 August
Light rain. High 96°, low 74°.
0.03Grand Bayou, Tuesday, 25 August
Climate normal for this date — 60-year average.
0.04Grand Bayou, Wednesday, 26 August
Climate normal for this date — 60-year average.
0.15Grand Bayou, Thursday, 27 August
Climate normal for this date — 60-year average.
0.14
Grand Bayou, Friday, 28 August
Climate normal for this date — 60-year average.
0.15Grand Bayou, Saturday, 29 August
Climate normal for this date — 60-year average.
0.22Grand Bayou, Sunday, 30 August
Climate normal for this date — 60-year average.
0.15Grand Bayou, Monday, 31 August
Climate normal for this date — 60-year average.
0.13Grand Bayou, Tuesday, 1 September
Climate normal for this date — 60-year average.
0.16Grand Bayou, Wednesday, 2 September
Climate normal for this date — 60-year average.
0.16Grand Bayou, Thursday, 3 September
Climate normal for this date — 60-year average.
0.09Grand Bayou, Friday, 4 September
Climate normal for this date — 60-year average.
0.13Grand Bayou, Saturday, 5 September
Climate normal for this date — 60-year average.
0.07Grand Bayou, Sunday, 6 September
Climate normal for this date — 60-year average.
0.03Grand Bayou, Monday, 7 September
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 Grand Bayou, 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 Grand Bayou, 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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