Weather in Cape Girardeau, MO
Cape Girardeau, Sunday, 9 August, 05:36
Clear. Feels like 69°. High 90°, low 68°.
Monthly outlook for Cape Girardeau, MO: average high 99.2°, average low 74.7°. That is 7° above the climate normal for August. Precipitation is expected on 4 days (about 0.7 inches), against a normal of 4 days and 1.6 inches. The warmest day looks like 20 August (112.4°), the coolest 9 August (68.1°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 9 August – 18 August | 94.8° | 86.6° | +4.5° |
| 19 August – 28 August | 106.5° | 87° | +10.9° |
| 29 August – 7 September | at normal | 84.8° | — |
August records over 66 years
Climate normals and records are computed from the nearest reference point — Scott City (6 mi).
0
Cape Girardeau, Monday, 10 August
Clear. High 95°, low 73°.
0
Cape Girardeau, Tuesday, 11 August
Partly cloudy. High 97°, low 75°.
0.1
Cape Girardeau, Wednesday, 12 August
Light rain. High 101°, low 73°.
0.06Cape Girardeau, Thursday, 13 August
Light rain. High 94°, low 71°.
0
Cape Girardeau, Friday, 14 August
Overcast. High 88°, low 72°.
0.02Cape Girardeau, Saturday, 15 August
Light rain. High 93°, low 69°.
0Cape Girardeau, Sunday, 16 August
Light rain. High 104°, low 73°.
0.37Cape Girardeau, Monday, 17 August
Rain. High 92°, low 73°.
0.11Cape Girardeau, Tuesday, 18 August
Light rain. High 94°, low 72°.
0Cape Girardeau, Wednesday, 19 August
Partly cloudy. High 102°, low 77°.
0Cape Girardeau, Thursday, 20 August
Overcast. High 112°, low 83°.
0.01Cape Girardeau, Friday, 21 August
Light rain. High 99°, low 83°.
0Cape Girardeau, Saturday, 22 August
Clear. High 110°, low 78°.
0.01Cape Girardeau, Sunday, 23 August
Light rain. High 108°, low 78°.
0.02Cape Girardeau, Monday, 24 August
Light rain. High 108°, low 77°.
0.04
Cape Girardeau, Tuesday, 25 August
Climate normal for this date — 60-year average.
0.06Cape Girardeau, Wednesday, 26 August
Climate normal for this date — 60-year average.
0.1Cape Girardeau, Thursday, 27 August
Climate normal for this date — 60-year average.
0.09Cape Girardeau, Friday, 28 August
Climate normal for this date — 60-year average.
0.11
Cape Girardeau, Saturday, 29 August
Climate normal for this date — 60-year average.
0.11Cape Girardeau, Sunday, 30 August
Climate normal for this date — 60-year average.
0.06Cape Girardeau, Monday, 31 August
Climate normal for this date — 60-year average.
0.08Cape Girardeau, Tuesday, 1 September
Climate normal for this date — 60-year average.
0.13Cape Girardeau, Wednesday, 2 September
Climate normal for this date — 60-year average.
0.09Cape Girardeau, Thursday, 3 September
Climate normal for this date — 60-year average.
0.09Cape Girardeau, Friday, 4 September
Climate normal for this date — 60-year average.
0.11Cape Girardeau, Saturday, 5 September
Climate normal for this date — 60-year average.
0.03Cape Girardeau, Sunday, 6 September
Climate normal for this date — 60-year average.
0.05Cape Girardeau, 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 Cape Girardeau, 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 Cape Girardeau, 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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