Weather in Old Jefferson, LA
Old Jefferson, Friday, 23 October, 00:30
Clear. Feels like 59°. High 83°, low 54°.
Monthly outlook for Old Jefferson, LA: average high 79.8°, average low 58.9°. That is 3.1° above the climate normal for October. Precipitation is expected on 4 days (about 1.4 inches), against a normal of 4 days and 2.0 inches. The warmest day looks like 1 November (90.4°), the coolest 6 November (47.4°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 23 October – 1 November | 82° | 75.4° | +3.7° |
| 2 November – 11 November | 76.1° | 71.9° | +2.4° |
| 12 November – 21 November | at normal | 68.9° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Baton Rouge (9 mi).
0
Old Jefferson, Saturday, 24 October
Clear. High 82°, low 55°.
0
Old Jefferson, Sunday, 25 October
Partly cloudy. High 79°, low 56°.
0
Old Jefferson, Monday, 26 October
Overcast. High 78°, low 57°.
0Old Jefferson, Tuesday, 27 October
Overcast. High 79°, low 59°.
0Old Jefferson, Wednesday, 28 October
Overcast. High 80°, low 60°.
0Old Jefferson, Thursday, 29 October
Overcast. High 79°, low 57°.
0Old Jefferson, Friday, 30 October
Partly cloudy. High 82°, low 59°.
0.08
Old Jefferson, Saturday, 31 October
Light rain. High 87°, low 66°.
0.02Old Jefferson, Sunday, 1 November
Light rain. High 90°, low 71°.
0.11Old Jefferson, Monday, 2 November
Light rain. High 85°, low 70°.
0.35Old Jefferson, Tuesday, 3 November
Rain. High 84°, low 69°.
0.85Old Jefferson, Wednesday, 4 November
Rain. High 68°, low 58°.
0Old Jefferson, Thursday, 5 November
Clear. High 71°, low 53°.
0Old Jefferson, Friday, 6 November
Clear. High 74°, low 47°.
0Old Jefferson, Saturday, 7 November
Overcast. High 75°, low 52°.
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.
0.09Old Jefferson, Saturday, 21 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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