Weather in Old Jefferson, LA
Old Jefferson, Wednesday, 11 November, 07:59
Overcast. Feels like 61°. High 78°, low 60°.
Monthly outlook for Old Jefferson, LA: average high 65.6°, average low 47.1°. That is 1.7° below the climate normal for November. Precipitation is expected on 3 days (about 1.1 inches), against a normal of 4 days and 1.9 inches. The warmest day looks like 11 November (78.4°), the coolest 24 November (26.6°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 11 November – 20 November | 69.3° | 69.2° | +0.1° |
| 21 November – 30 November | 59.4° | 67.2° | -4.3° |
| 1 December – 10 December | at normal | 64.6° | — |
November records over 66 years
Climate normals and records are computed from the nearest reference point — Baton Rouge (9 mi).
0
Old Jefferson, Thursday, 12 November
Clear. High 76°, low 55°.
0Old Jefferson, Friday, 13 November
Clear. High 66°, low 47°.
0Old Jefferson, Saturday, 14 November
Clear. High 60°, low 42°.
0
Old Jefferson, Sunday, 15 November
Partly cloudy. High 66°, low 44°.
0.58
Old Jefferson, Monday, 16 November
Rain. High 63°, low 47°.
0Old Jefferson, Tuesday, 17 November
Overcast. High 70°, low 50°.
0Old Jefferson, Wednesday, 18 November
Clear. High 71°, low 49°.
0Old Jefferson, Thursday, 19 November
Partly cloudy. High 72°, low 53°.
0.23Old Jefferson, Friday, 20 November
Rain. High 70°, low 60°.
0Old Jefferson, Saturday, 21 November
Light rain. High 69°, low 59°.
0Old Jefferson, Sunday, 22 November
Overcast. High 60°, low 46°.
0Old Jefferson, Monday, 23 November
Clear. High 51°, low 39°.
0Old Jefferson, Tuesday, 24 November
Clear. High 50°, low 27°.
0Old Jefferson, Wednesday, 25 November
Clear. High 59°, low 32°.
0
Old Jefferson, Thursday, 26 November
Mostly clear. High 67°, low 45°.
0.27
Old 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.
0.15Old Jefferson, Monday, 30 November
Climate normal for this date — 60-year average.
0.11Old Jefferson, Tuesday, 1 December
Climate normal for this date — 60-year average.
0.09Old Jefferson, Wednesday, 2 December
Climate normal for this date — 60-year average.
0.18Old Jefferson, Thursday, 3 December
Climate normal for this date — 60-year average.
0.15Old Jefferson, Friday, 4 December
Climate normal for this date — 60-year average.
0.08Old Jefferson, Saturday, 5 December
Climate normal for this date — 60-year average.
0.17Old Jefferson, Sunday, 6 December
Climate normal for this date — 60-year average.
0.12Old Jefferson, Monday, 7 December
Climate normal for this date — 60-year average.
0.19Old Jefferson, Tuesday, 8 December
Climate normal for this date — 60-year average.
0.14Old Jefferson, Wednesday, 9 December
Climate normal for this date — 60-year average.
0.2Old Jefferson, Thursday, 10 December
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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