Weather in Old Jefferson, LA
Old Jefferson, Thursday, 22 October, 18:43
Clear. Feels like 76°. High 83°, low 52°.
Monthly outlook for Old Jefferson, LA: average high 78°, average low 57.4°. That is 1.9° above the climate normal for October. Precipitation is expected on 2 days (about 0.6 inches), against a normal of 4 days and 2.0 inches. The warmest day looks like 28 October (83.1°), the coolest 22 October (51.5°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 22 October – 31 October | 79° | 75.8° | +1.8° |
| 1 November – 10 November | 76.4° | 72.2° | +2.3° |
| 11 November – 20 November | at normal | 69.2° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Baton Rouge (9 mi).
0
Old Jefferson, Friday, 23 October
Clear. High 83°, low 54°.
0Old Jefferson, Saturday, 24 October
Clear. High 80°, low 55°.
0Old Jefferson, Sunday, 25 October
Clear. High 79°, low 56°.
0
Old Jefferson, Monday, 26 October
Overcast. High 78°, low 56°.
0Old Jefferson, Tuesday, 27 October
Overcast. High 78°, low 58°.
0Old Jefferson, Wednesday, 28 October
Clear. High 83°, low 58°.
0
Old Jefferson, Thursday, 29 October
Mostly clear. High 81°, low 58°.
0Old Jefferson, Friday, 30 October
Overcast. High 77°, low 57°.
0.4
Old Jefferson, Saturday, 31 October
Rain. High 68°, low 64°.
0.15Old Jefferson, Sunday, 1 November
Light rain. High 77°, low 65°.
0Old Jefferson, Monday, 2 November
Mostly clear. High 75°, low 56°.
0
Old Jefferson, Tuesday, 3 November
Partly cloudy. High 77°, low 55°.
0Old Jefferson, Wednesday, 4 November
Overcast. High 77°, low 54°.
0.01Old Jefferson, Thursday, 5 November
Light rain. High 75°, low 59°.
0.03Old Jefferson, Friday, 6 November
Light rain. High 79°, low 62°.
0.09Old Jefferson, Saturday, 7 November
Climate normal for this date — 60-year average.
0.06Old Jefferson, Sunday, 8 November
Climate normal for this date — 60-year average.
0.18
Old Jefferson, Monday, 9 November
Climate normal for this date — 60-year average.
0.06Old Jefferson, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.13Old Jefferson, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.09Old Jefferson, Thursday, 12 November
Climate normal for this date — 60-year average.
0.07Old Jefferson, Friday, 13 November
Climate normal for this date — 60-year average.
0.09Old Jefferson, Saturday, 14 November
Climate normal for this date — 60-year average.
0.12Old Jefferson, Sunday, 15 November
Climate normal for this date — 60-year average.
0.12Old Jefferson, Monday, 16 November
Climate normal for this date — 60-year average.
0.07Old Jefferson, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.17Old Jefferson, Wednesday, 18 November
Climate normal for this date — 60-year average.
0.15Old Jefferson, Thursday, 19 November
Climate normal for this date — 60-year average.
0.13Old Jefferson, Friday, 20 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 Old Jefferson, 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 Old Jefferson, 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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