Weather in Maryland Heights, MO
Maryland Heights, Sunday, 9 August, 10:45
Mostly clear. Feels like 95°. High 96°, low 72°.
Monthly outlook for Maryland Heights, MO: average high 96.4°, average low 72.6°. That is 6.3° above the climate normal for August. Precipitation is expected on 4 days (about 0.4 inches), against a normal of 5 days and 1.7 inches. The warmest day looks like 15 August (105.3°), the coolest 23 August (65.8°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 9 August – 18 August | 98.7° | 85.2° | +7.5° |
| 19 August – 28 August | 92.6° | 85.3° | +4.1° |
| 29 August – 7 September | at normal | 82.9° | — |
August records over 66 years
Climate normals and records are computed from the nearest reference point — Breckenridge Hills (6 mi).
0
Maryland Heights, Monday, 10 August
Light rain. High 103°, low 76°.
0
Maryland Heights, Tuesday, 11 August
Overcast. High 104°, low 81°.
0.06Maryland Heights, Wednesday, 12 August
Light rain. High 100°, low 77°.
0.14Maryland Heights, Thursday, 13 August
Rain. High 98°, low 75°.
0Maryland Heights, Friday, 14 August
Overcast. High 94°, low 73°.
0Maryland Heights, Saturday, 15 August
Mostly clear. High 105°, low 73°.
0Maryland Heights, Sunday, 16 August
Mostly clear. High 97°, low 78°.
0Maryland Heights, Monday, 17 August
Overcast. High 86°, low 67°.
0.14Maryland Heights, Tuesday, 18 August
Light rain. High 103°, low 69°.
0Maryland Heights, Wednesday, 19 August
Mostly clear. High 97°, low 75°.
0
Maryland Heights, Thursday, 20 August
Clear. High 87°, low 66°.
0.06Maryland Heights, Friday, 21 August
Light rain. High 99°, low 70°.
0Maryland Heights, Saturday, 22 August
Clear. High 98°, low 76°.
0Maryland Heights, Sunday, 23 August
Clear. High 86°, low 66°.
0Maryland Heights, Monday, 24 August
Clear. High 88°, low 66°.
0.07
Maryland Heights, Tuesday, 25 August
Climate normal for this date — 60-year average.
0.14Maryland Heights, Wednesday, 26 August
Climate normal for this date — 60-year average.
0.13Maryland Heights, Thursday, 27 August
Climate normal for this date — 60-year average.
0.09Maryland Heights, Friday, 28 August
Climate normal for this date — 60-year average.
0.07Maryland Heights, Saturday, 29 August
Climate normal for this date — 60-year average.
0.14Maryland Heights, Sunday, 30 August
Climate normal for this date — 60-year average.
0.12Maryland Heights, Monday, 31 August
Climate normal for this date — 60-year average.
0.11
Maryland Heights, Tuesday, 1 September
Climate normal for this date — 60-year average.
0.12Maryland Heights, Wednesday, 2 September
Climate normal for this date — 60-year average.
0.09Maryland Heights, Thursday, 3 September
Climate normal for this date — 60-year average.
0.11Maryland Heights, Friday, 4 September
Climate normal for this date — 60-year average.
0.04Maryland Heights, Saturday, 5 September
Climate normal for this date — 60-year average.
0.04Maryland Heights, Sunday, 6 September
Climate normal for this date — 60-year average.
0.09Maryland Heights, 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 Maryland Heights, 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 Maryland Heights, 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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