Weather in Saint Catharine, MO
Saint Catharine, Sunday, 9 August, 05:45
Overcast. Feels like 75°. High 96°, low 74°.
Monthly outlook for Saint Catharine, MO: average high 96.9°, average low 72.4°. That is 7° above the climate normal for August. Precipitation is expected on 6 days (about 0.9 inches), against a normal of 5 days and 1.8 inches. The warmest day looks like 20 August (115.6°), the coolest 14 August (64.4°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 9 August – 18 August | 89.3° | 84.4° | +2.7° |
| 19 August – 28 August | 109.5° | 84.4° | +13.9° |
| 29 August – 7 September | at normal | 82° | — |
August records over 66 years
Climate normals and records are computed from the nearest reference point — Laclede (9 mi).
0Saint Catharine, Monday, 10 August
Overcast. High 94°, low 75°.
0
Saint Catharine, Tuesday, 11 August
Clear. High 98°, low 75°.
0.06
Saint Catharine, Wednesday, 12 August
Light rain. High 96°, low 70°.
0.25Saint Catharine, Thursday, 13 August
Light rain. High 82°, low 69°.
0.13Saint Catharine, Friday, 14 August
Light rain. High 72°, low 64°.
0.06Saint Catharine, Saturday, 15 August
Light rain. High 81°, low 65°.
0.01Saint Catharine, Sunday, 16 August
Light rain. High 89°, low 71°.
0.02Saint Catharine, Monday, 17 August
Light rain. High 85°, low 68°.
0Saint Catharine, Tuesday, 18 August
Overcast. High 101°, low 69°.
0
Saint Catharine, Wednesday, 19 August
Partly cloudy. High 112°, low 78°.
0Saint Catharine, Thursday, 20 August
Clear. High 116°, low 83°.
0
Saint Catharine, Friday, 21 August
Mostly clear. High 106°, low 77°.
0Saint Catharine, Saturday, 22 August
Overcast. High 113°, low 80°.
0.08Saint Catharine, Sunday, 23 August
Light rain. High 107°, low 71°.
0.28Saint Catharine, Monday, 24 August
Rain. High 103°, low 71°.
0.14Saint Catharine, Tuesday, 25 August
Climate normal for this date — 60-year average.
0.2Saint Catharine, Wednesday, 26 August
Climate normal for this date — 60-year average.
0.06Saint Catharine, Thursday, 27 August
Climate normal for this date — 60-year average.
0.08Saint Catharine, Friday, 28 August
Climate normal for this date — 60-year average.
0.1Saint Catharine, Saturday, 29 August
Climate normal for this date — 60-year average.
0.13Saint Catharine, Sunday, 30 August
Climate normal for this date — 60-year average.
0.16
Saint Catharine, Monday, 31 August
Climate normal for this date — 60-year average.
0.17Saint Catharine, Tuesday, 1 September
Climate normal for this date — 60-year average.
0.1Saint Catharine, Wednesday, 2 September
Climate normal for this date — 60-year average.
0.07Saint Catharine, Thursday, 3 September
Climate normal for this date — 60-year average.
0.07Saint Catharine, Friday, 4 September
Climate normal for this date — 60-year average.
0.07Saint Catharine, Saturday, 5 September
Climate normal for this date — 60-year average.
0.08Saint Catharine, Sunday, 6 September
Climate normal for this date — 60-year average.
0.09Saint Catharine, 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 Catharine, MO 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 Catharine, MO 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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