Weather in Saint Louis, VA
Saint Louis, Sunday, 9 August, 04:01
Overcast. Feels like 70°. High 90°, low 69°.
Monthly outlook for Saint Louis, VA: average high 89.3°, average low 66.4°. That is 3.1° above the climate normal for August. Precipitation is expected on 5 days (about 1.3 inches), against a normal of 5 days and 1.8 inches. The warmest day looks like 24 August (101.2°), the coolest 16 August (54.8°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 9 August – 18 August | 85.2° | 84.4° | +0.4° |
| 19 August – 28 August | 96.1° | 83.2° | +7.2° |
| 29 August – 7 September | at normal | 81.9° | — |
August records over 66 years
Climate normals and records are computed from the nearest reference point — The Plains (10 mi).
0
Saint Louis, Monday, 10 August
Mostly clear. High 92°, low 72°.
0.17
Saint Louis, Tuesday, 11 August
Rain. High 92°, low 69°.
0.48Saint Louis, Wednesday, 12 August
Rain. High 90°, low 67°.
0.01Saint Louis, Thursday, 13 August
Light rain. High 85°, low 67°.
0Saint Louis, Friday, 14 August
Overcast. High 80°, low 60°.
0Saint Louis, Saturday, 15 August
Overcast. High 80°, low 57°.
0Saint Louis, Sunday, 16 August
Overcast. High 78°, low 55°.
0.03Saint Louis, Monday, 17 August
Light rain. High 83°, low 66°.
0.03Saint Louis, Tuesday, 18 August
Light rain. High 83°, low 65°.
0
Saint Louis, Wednesday, 19 August
Clear. High 87°, low 65°.
0
Saint Louis, Thursday, 20 August
Partly cloudy. High 92°, low 66°.
0.27Saint Louis, Friday, 21 August
Rain. High 99°, low 68°.
0.04Saint Louis, Saturday, 22 August
Light rain. High 97°, low 75°.
0.02Saint Louis, Sunday, 23 August
Light rain. High 100°, low 72°.
0.3Saint Louis, Monday, 24 August
Rain. High 101°, low 70°.
0.07Saint Louis, Tuesday, 25 August
Climate normal for this date — 60-year average.
0.04Saint 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.
0.13
Saint Louis, Friday, 28 August
Climate normal for this date — 60-year average.
0.1Saint Louis, Saturday, 29 August
Climate normal for this date — 60-year average.
0.06Saint Louis, Sunday, 30 August
Climate normal for this date — 60-year average.
0.09Saint Louis, Monday, 31 August
Climate normal for this date — 60-year average.
0.13Saint Louis, Tuesday, 1 September
Climate normal for this date — 60-year average.
0.07Saint Louis, Wednesday, 2 September
Climate normal for this date — 60-year average.
0.08Saint Louis, Thursday, 3 September
Climate normal for this date — 60-year average.
0.1Saint Louis, Friday, 4 September
Climate normal for this date — 60-year average.
0.14Saint Louis, Saturday, 5 September
Climate normal for this date — 60-year average.
0.29Saint Louis, Sunday, 6 September
Climate normal for this date — 60-year average.
0.09Saint 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, VA 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, VA 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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