Weather in Saint Louis, OR
Saint Louis, Sunday, 9 August, 06:53
Mostly clear. Feels like 55°. High 87°, low 56°.
Monthly outlook for Saint Louis, OR: average high 92.1°, average low 56.8°. That is 5.9° above the climate normal for August. Precipitation is expected on 0 days (about 0.0 inches), against a normal of 1 days and 0.3 inches. The warmest day looks like 24 August (104°), the coolest 13 August (51.9°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 9 August – 18 August | 89° | 82.6° | +3.5° |
| 19 August – 28 August | 97.5° | 79.9° | +9.8° |
| 29 August – 7 September | at normal | 78.2° | — |
August records over 66 years
Climate normals and records are computed from the nearest reference point — Gervais (2 mi).
0
Saint Louis, Monday, 10 August
Clear. High 84°, low 52°.
0Saint Louis, Tuesday, 11 August
Clear. High 88°, low 53°.
0Saint Louis, Wednesday, 12 August
Clear. High 85°, low 55°.
0Saint Louis, Thursday, 13 August
Clear. High 90°, low 52°.
0
Saint Louis, Friday, 14 August
Overcast. High 90°, low 56°.
0Saint Louis, Saturday, 15 August
Overcast. High 90°, low 54°.
0
Saint Louis, Sunday, 16 August
Partly cloudy. High 92°, low 57°.
0Saint Louis, Monday, 17 August
Clear. High 90°, low 55°.
0Saint Louis, Tuesday, 18 August
Partly cloudy. High 93°, low 55°.
0Saint Louis, Wednesday, 19 August
Clear. High 96°, low 60°.
0Saint Louis, Thursday, 20 August
Clear. High 94°, low 61°.
0Saint Louis, Friday, 21 August
Clear. High 94°, low 57°.
0Saint Louis, Saturday, 22 August
Clear. High 97°, low 60°.
0Saint Louis, Sunday, 23 August
Clear. High 100°, low 62°.
0Saint Louis, Monday, 24 August
Partly cloudy. High 104°, low 64°.
0.04Saint Louis, Tuesday, 25 August
Climate normal for this date — 60-year average.
0.02Saint Louis, Wednesday, 26 August
Climate normal for this date — 60-year average.
0.02Saint Louis, Thursday, 27 August
Climate normal for this date — 60-year average.
0.02Saint Louis, Friday, 28 August
Climate normal for this date — 60-year average.
0.05Saint Louis, Saturday, 29 August
Climate normal for this date — 60-year average.
0.04Saint Louis, Sunday, 30 August
Climate normal for this date — 60-year average.
0.02Saint Louis, Monday, 31 August
Climate normal for this date — 60-year average.
0.03Saint Louis, Tuesday, 1 September
Climate normal for this date — 60-year average.
0.03Saint Louis, Wednesday, 2 September
Climate normal for this date — 60-year average.
0.02Saint Louis, Thursday, 3 September
Climate normal for this date — 60-year average.
0.02Saint Louis, Friday, 4 September
Climate normal for this date — 60-year average.
0.02Saint Louis, Saturday, 5 September
Climate normal for this date — 60-year average.
0.04Saint Louis, Sunday, 6 September
Climate normal for this date — 60-year average.
0.02Saint 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, OR 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, OR 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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