Weather in Alton, LA
Alton, Thursday, 22 October, 04:33
Clear. Feels like 53°. High 81°, low 53°.
Monthly outlook for Alton, LA: average high 76.1°, average low 57.9°. That is 1.7° above the climate normal for October. Precipitation is expected on 3 days (about 3.6 inches), against a normal of 4 days and 1.9 inches. The warmest day looks like 22 October (81.2°), the coolest 6 November (51.2°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 22 October – 31 October | 78.2° | 74.2° | +2.3° |
| 1 November – 10 November | 72.5° | 70.8° | +1° |
| 11 November – 20 November | at normal | 67.8° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Slidell (3 mi).
0
Alton, Friday, 23 October
Clear. High 81°, low 53°.
0Alton, Saturday, 24 October
Clear. High 79°, low 57°.
0Alton, Sunday, 25 October
Clear. High 78°, low 56°.
0
Alton, Monday, 26 October
Mostly clear. High 78°, low 55°.
0
Alton, Tuesday, 27 October
Overcast. High 77°, low 56°.
0Alton, Wednesday, 28 October
Overcast. High 79°, low 60°.
0Alton, Thursday, 29 October
Overcast. High 78°, low 58°.
0Alton, Friday, 30 October
Overcast. High 77°, low 60°.
0.11
Alton, Saturday, 31 October
Light rain. High 74°, low 67°.
3.31Alton, Sunday, 1 November
Heavy rain. High 73°, low 69°.
0.01Alton, Monday, 2 November
Light rain. High 78°, low 63°.
0.01Alton, Tuesday, 3 November
Light rain. High 71°, low 57°.
0.13Alton, Wednesday, 4 November
Light rain. High 73°, low 58°.
0Alton, Thursday, 5 November
Clear. High 70°, low 52°.
0Alton, Friday, 6 November
Clear. High 70°, low 51°.
0.09
Alton, Saturday, 7 November
Climate normal for this date — 60-year average.
0.06Alton, Sunday, 8 November
Climate normal for this date — 60-year average.
0.13
Alton, Monday, 9 November
Climate normal for this date — 60-year average.
0.05Alton, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.13Alton, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.1Alton, Thursday, 12 November
Climate normal for this date — 60-year average.
0.09Alton, Friday, 13 November
Climate normal for this date — 60-year average.
0.08Alton, Saturday, 14 November
Climate normal for this date — 60-year average.
0.13Alton, Sunday, 15 November
Climate normal for this date — 60-year average.
0.08Alton, Monday, 16 November
Climate normal for this date — 60-year average.
0.07Alton, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.13Alton, Wednesday, 18 November
Climate normal for this date — 60-year average.
0.14Alton, Thursday, 19 November
Climate normal for this date — 60-year average.
0.14Alton, 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 Alton, 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 Alton, 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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