Weather in Old Jefferson, LA
Old Jefferson, Sunday, 15 November, 15:38
Heavy rain. Feels like 53°. High 57°, low 46°.
Monthly outlook for Old Jefferson, LA: average high 71.9°, average low 53.8°. That is 2.2° above the climate normal for November. Precipitation is expected on 5 days (about 1.8 inches), against a normal of 5 days and 2.2 inches. The warmest day looks like 23 November (79.6°), the coolest 17 November (43.9°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 15 November – 24 November | 72.4° | 68.6° | +2.1° |
| 25 November – 4 December | 70.9° | 66.2° | +2.7° |
| 5 December – 14 December | at normal | 64° | — |
November records over 66 years
Climate normals and records are computed from the nearest reference point — Baton Rouge (9 mi).
0
Old Jefferson, Monday, 16 November
Overcast. High 64°, low 45°.
0
Old Jefferson, Tuesday, 17 November
Clear. High 69°, low 44°.
0
Old Jefferson, Wednesday, 18 November
Mostly clear. High 71°, low 52°.
0Old Jefferson, Thursday, 19 November
Overcast. High 75°, low 55°.
0
Old Jefferson, Friday, 20 November
Partly cloudy. High 76°, low 58°.
0Old Jefferson, Saturday, 21 November
Clear. High 78°, low 55°.
0Old Jefferson, Sunday, 22 November
Partly cloudy. High 79°, low 56°.
0Old Jefferson, Monday, 23 November
Clear. High 80°, low 58°.
0.05Old Jefferson, Tuesday, 24 November
Light rain. High 76°, low 60°.
0.33Old Jefferson, Wednesday, 25 November
Light rain. High 74°, low 61°.
0.5Old Jefferson, Thursday, 26 November
Rain. High 78°, low 58°.
0Old Jefferson, Friday, 27 November
Clear. High 70°, low 53°.
0Old Jefferson, Saturday, 28 November
Overcast. High 67°, low 51°.
0.82Old Jefferson, Sunday, 29 November
Rain. High 77°, low 61°.
0Old Jefferson, Monday, 30 November
Overcast. High 60°, low 48°.
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.
0.17
Old 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.
0.12Old Jefferson, Friday, 11 December
Climate normal for this date — 60-year average.
0.13Old Jefferson, Saturday, 12 December
Climate normal for this date — 60-year average.
0.2Old Jefferson, Sunday, 13 December
Climate normal for this date — 60-year average.
0.11Old Jefferson, Monday, 14 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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