Weather in Old Jefferson, LA
Old Jefferson, Saturday, 31 October, 20:45
Overcast. Feels like 75°. High 80°, low 67°.
Monthly outlook for Old Jefferson, LA: average high 77.8°, average low 60.3°. That is 3.5° above the climate normal for October. Precipitation is expected on 5 days (about 1.1 inches), against a normal of 4 days and 1.7 inches. The warmest day looks like 3 November (82.4°), the coolest 10 November (52.9°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 31 October – 9 November | 78.1° | 72.6° | +3.1° |
| 10 November – 19 November | 77.2° | 69.5° | +4.3° |
| 20 November – 29 November | at normal | 67.5° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Baton Rouge (9 mi).
0.41
Old Jefferson, Sunday, 1 November
Rain. High 79°, low 68°.
0Old Jefferson, Monday, 2 November
Overcast. High 78°, low 68°.
0.07Old Jefferson, Tuesday, 3 November
Light rain. High 82°, low 70°.
0.12Old Jefferson, Wednesday, 4 November
Light rain. High 77°, low 65°.
0
Old Jefferson, Thursday, 5 November
Clear. High 77°, low 58°.
0Old Jefferson, Friday, 6 November
Overcast. High 78°, low 57°.
0Old Jefferson, Saturday, 7 November
Clear. High 74°, low 55°.
0Old Jefferson, Sunday, 8 November
Clear. High 79°, low 55°.
0Old Jefferson, Monday, 9 November
Clear. High 77°, low 56°.
0Old Jefferson, Tuesday, 10 November
Overcast. High 74°, low 53°.
0Old Jefferson, Wednesday, 11 November
Overcast. High 78°, low 54°.
0.21Old Jefferson, Thursday, 12 November
Rain. High 70°, low 61°.
0.02Old Jefferson, Friday, 13 November
Light rain. High 82°, low 64°.
0Old Jefferson, Saturday, 14 November
Clear. High 79°, low 56°.
0Old Jefferson, Sunday, 15 November
Clear. High 80°, low 57°.
0.12
Old 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.
0.17
Old 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.
0.09Old Jefferson, Saturday, 21 November
Climate normal for this date — 60-year average.
0.1Old Jefferson, Sunday, 22 November
Climate normal for this date — 60-year average.
0.14Old Jefferson, Monday, 23 November
Climate normal for this date — 60-year average.
0.07Old Jefferson, Tuesday, 24 November
Climate normal for this date — 60-year average.
0.16Old Jefferson, Wednesday, 25 November
Climate normal for this date — 60-year average.
0.16Old Jefferson, Thursday, 26 November
Climate normal for this date — 60-year average.
0.27Old Jefferson, Friday, 27 November
Climate normal for this date — 60-year average.
0.15Old Jefferson, Saturday, 28 November
Climate normal for this date — 60-year average.
0.13Old Jefferson, 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 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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