Weather in Alton, LA
Alton, Wednesday, 11 November, 21:26
Clear. Feels like 65°. High 76°, low 60°.
Monthly outlook for Alton, LA: average high 69.1°, average low 49.7°. That is 1° above the climate normal for November. Precipitation is expected on 3 days (about 1.6 inches), against a normal of 4 days and 1.8 inches. The warmest day looks like 21 November (76.1°), the coolest 26 November (37.7°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 11 November – 20 November | 69.3° | 67.8° | +0.8° |
| 21 November – 30 November | 68.9° | 65.9° | +1.6° |
| 1 December – 10 December | at normal | 63.4° | — |
November records over 66 years
Climate normals and records are computed from the nearest reference point — Slidell (3 mi).
0
Alton, Thursday, 12 November
Clear. High 76°, low 52°.
0Alton, Friday, 13 November
Clear. High 67°, low 47°.
0Alton, Saturday, 14 November
Clear. High 60°, low 42°.
0
Alton, Sunday, 15 November
Overcast. High 65°, low 44°.
0.09
Alton, Monday, 16 November
Light rain. High 64°, low 47°.
0Alton, Tuesday, 17 November
Clear. High 69°, low 49°.
0Alton, Wednesday, 18 November
Clear. High 71°, low 46°.
0Alton, Thursday, 19 November
Clear. High 72°, low 44°.
0Alton, Friday, 20 November
Overcast. High 74°, low 49°.
0Alton, Saturday, 21 November
Clear. High 76°, low 54°.
0Alton, Sunday, 22 November
Overcast. High 74°, low 56°.
0Alton, Monday, 23 November
Overcast. High 76°, low 62°.
1.42Alton, Tuesday, 24 November
Heavy rain. High 70°, low 59°.
0Alton, Wednesday, 25 November
Clear. High 59°, low 45°.
0Alton, Thursday, 26 November
Overcast. High 59°, low 38°.
0.2
Alton, Friday, 27 November
Climate normal for this date — 60-year average.
0.15Alton, Saturday, 28 November
Climate normal for this date — 60-year average.
0.2Alton, Sunday, 29 November
Climate normal for this date — 60-year average.
0.2Alton, Monday, 30 November
Climate normal for this date — 60-year average.
0.15
Alton, Tuesday, 1 December
Climate normal for this date — 60-year average.
0.09Alton, Wednesday, 2 December
Climate normal for this date — 60-year average.
0.16Alton, Thursday, 3 December
Climate normal for this date — 60-year average.
0.2Alton, Friday, 4 December
Climate normal for this date — 60-year average.
0.11Alton, Saturday, 5 December
Climate normal for this date — 60-year average.
0.13Alton, Sunday, 6 December
Climate normal for this date — 60-year average.
0.11Alton, Monday, 7 December
Climate normal for this date — 60-year average.
0.11Alton, Tuesday, 8 December
Climate normal for this date — 60-year average.
0.12Alton, Wednesday, 9 December
Climate normal for this date — 60-year average.
0.24Alton, 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 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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