Weather in Port Allen, LA
Port Allen, Sunday, 9 August, 10:06
Mostly clear. Feels like 101°. High 94°, low 75°.
Monthly outlook for Port Allen, LA: average high 100.8°, average low 76.2°. That is 6.2° above the climate normal for August. Precipitation is expected on 3 days (about 1.5 inches), against a normal of 9 days and 2.6 inches. The warmest day looks like 23 August (104.6°), the coolest 24 August (72.7°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 9 August – 18 August | 99.9° | 89.5° | +5.8° |
| 19 August – 28 August | 102.3° | 89.4° | +7.2° |
| 29 August – 7 September | at normal | 87.6° | — |
August records over 66 years
Climate normals and records are computed from the nearest reference point — Baton Rouge (5 mi).
0
Port Allen, Monday, 10 August
Overcast. High 94°, low 78°.
0Port Allen, Tuesday, 11 August
Mostly clear. High 101°, low 76°.
0Port Allen, Wednesday, 12 August
Mostly clear. High 99°, low 77°.
0Port Allen, Thursday, 13 August
Mostly clear. High 101°, low 77°.
0
Port Allen, Friday, 14 August
Clear. High 102°, low 75°.
0Port Allen, Saturday, 15 August
Clear. High 102°, low 76°.
0Port Allen, Sunday, 16 August
Clear. High 101°, low 77°.
0.16
Port Allen, Monday, 17 August
Light rain. High 102°, low 75°.
0Port Allen, Tuesday, 18 August
Clear. High 103°, low 77°.
0Port Allen, Wednesday, 19 August
Mostly clear. High 103°, low 77°.
0Port Allen, Thursday, 20 August
Clear. High 102°, low 76°.
0Port Allen, Friday, 21 August
Clear. High 103°, low 77°.
0Port Allen, Saturday, 22 August
Clear. High 103°, low 77°.
0.9Port Allen, Sunday, 23 August
Heavy rain. High 105°, low 75°.
0.47Port Allen, Monday, 24 August
Rain. High 98°, low 73°.
0.14
Port Allen, Tuesday, 25 August
Climate normal for this date — 60-year average.
0.23Port Allen, Wednesday, 26 August
Climate normal for this date — 60-year average.
0.13Port Allen, Thursday, 27 August
Climate normal for this date — 60-year average.
0.16Port Allen, Friday, 28 August
Climate normal for this date — 60-year average.
0.34Port Allen, Saturday, 29 August
Climate normal for this date — 60-year average.
0.18Port Allen, Sunday, 30 August
Climate normal for this date — 60-year average.
0.11Port Allen, Monday, 31 August
Climate normal for this date — 60-year average.
0.18Port Allen, Tuesday, 1 September
Climate normal for this date — 60-year average.
0.18Port Allen, Wednesday, 2 September
Climate normal for this date — 60-year average.
0.17Port Allen, Thursday, 3 September
Climate normal for this date — 60-year average.
0.2Port Allen, Friday, 4 September
Climate normal for this date — 60-year average.
0.19Port Allen, Saturday, 5 September
Climate normal for this date — 60-year average.
0.2Port Allen, Sunday, 6 September
Climate normal for this date — 60-year average.
0.1Port Allen, 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 Port Allen, 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 Port Allen, 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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