Weather in Saint Louis, LA
Saint Louis, Sunday, 9 August, 05:36
Overcast. Feels like 77°. High 93°, low 75°.
Monthly outlook for Saint Louis, LA: average high 100.3°, average low 76°. That is 5.9° above the climate normal for August. Precipitation is expected on 4 days (about 0.7 inches), against a normal of 9 days and 2.6 inches. The warmest day looks like 19 August (106.6°), the coolest 24 August (73.2°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 9 August – 18 August | 99° | 89.5° | +5.3° |
| 19 August – 28 August | 102.5° | 89.4° | +7.3° |
| 29 August – 7 September | at normal | 87.6° | — |
August records over 66 years
Climate normals and records are computed from the nearest reference point — Baton Rouge (14 mi).
0.03
Saint Louis, Monday, 10 August
Light rain. High 96°, low 77°.
0
Saint Louis, Tuesday, 11 August
Clear. High 99°, low 76°.
0Saint Louis, Wednesday, 12 August
Light rain. High 95°, low 76°.
0.01Saint Louis, Thursday, 13 August
Light rain. High 97°, low 76°.
0Saint Louis, Friday, 14 August
Overcast. High 99°, low 74°.
0
Saint Louis, Saturday, 15 August
Partly cloudy. High 101°, low 75°.
0Saint Louis, Sunday, 16 August
Partly cloudy. High 102°, low 75°.
0Saint Louis, Monday, 17 August
Clear. High 104°, low 77°.
0Saint Louis, Tuesday, 18 August
Light rain. High 105°, low 78°.
0.07Saint Louis, Wednesday, 19 August
Light rain. High 107°, low 76°.
0.15Saint Louis, Thursday, 20 August
Rain. High 104°, low 76°.
0Saint Louis, Friday, 21 August
Light rain. High 102°, low 79°.
0Saint Louis, Saturday, 22 August
Partly cloudy. High 102°, low 78°.
0.37Saint Louis, Sunday, 23 August
Rain. High 101°, low 75°.
0.09Saint Louis, Monday, 24 August
Light rain. High 98°, low 73°.
0.14
Saint Louis, Tuesday, 25 August
Climate normal for this date — 60-year average.
0.23Saint Louis, Wednesday, 26 August
Climate normal for this date — 60-year average.
0.13Saint Louis, Thursday, 27 August
Climate normal for this date — 60-year average.
0.16Saint Louis, Friday, 28 August
Climate normal for this date — 60-year average.
0.34Saint Louis, Saturday, 29 August
Climate normal for this date — 60-year average.
0.18Saint Louis, Sunday, 30 August
Climate normal for this date — 60-year average.
0.11Saint Louis, Monday, 31 August
Climate normal for this date — 60-year average.
0.18Saint Louis, Tuesday, 1 September
Climate normal for this date — 60-year average.
0.18Saint Louis, Wednesday, 2 September
Climate normal for this date — 60-year average.
0.17Saint Louis, Thursday, 3 September
Climate normal for this date — 60-year average.
0.2Saint Louis, Friday, 4 September
Climate normal for this date — 60-year average.
0.19Saint Louis, Saturday, 5 September
Climate normal for this date — 60-year average.
0.2Saint Louis, Sunday, 6 September
Climate normal for this date — 60-year average.
0.1Saint Louis, Monday, 7 September
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 Saint Louis, 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 Saint Louis, 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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