Weather in Mehlville, MO
Mehlville, Sunday, 9 August, 05:53
Mostly clear. Feels like 74°. High 95°, low 73°.
Monthly outlook for Mehlville, MO: average high 100°, average low 74.5°. That is 7.9° above the climate normal for August. Precipitation is expected on 6 days (about 0.6 inches), against a normal of 5 days and 1.7 inches. The warmest day looks like 20 August (114.9°), the coolest 15 August (65.7°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 9 August – 18 August | 93.9° | 85.8° | +4.5° |
| 19 August – 28 August | 110° | 86° | +13.3° |
| 29 August – 7 September | at normal | 83.6° | — |
August records over 66 years
Climate normals and records are computed from the nearest reference point — Lakeshire (3 mi).
0.09
Mehlville, Monday, 10 August
Rain. High 100°, low 72°.
0Mehlville, Tuesday, 11 August
Light rain. High 103°, low 72°.
0.03Mehlville, Wednesday, 12 August
Light rain. High 101°, low 79°.
0.11Mehlville, Thursday, 13 August
Light rain. High 91°, low 73°.
0.08Mehlville, Friday, 14 August
Light rain. High 76°, low 66°.
0.08Mehlville, Saturday, 15 August
Light rain. High 92°, low 66°.
0
Mehlville, Sunday, 16 August
Overcast. High 94°, low 71°.
0.09Mehlville, Monday, 17 August
Light rain. High 92°, low 73°.
0.03Mehlville, Tuesday, 18 August
Light rain. High 96°, low 69°.
0
Mehlville, Wednesday, 19 August
Partly cloudy. High 111°, low 77°.
0
Mehlville, Thursday, 20 August
Clear. High 115°, low 82°.
0Mehlville, Friday, 21 August
Clear. High 110°, low 82°.
0.01Mehlville, Saturday, 22 August
Light rain. High 114°, low 80°.
0.05Mehlville, Sunday, 23 August
Light rain. High 109°, low 79°.
0.02Mehlville, Monday, 24 August
Light rain. High 101°, low 79°.
0.07Mehlville, Tuesday, 25 August
Climate normal for this date — 60-year average.
0.12Mehlville, Wednesday, 26 August
Climate normal for this date — 60-year average.
0.1Mehlville, Thursday, 27 August
Climate normal for this date — 60-year average.
0.09Mehlville, Friday, 28 August
Climate normal for this date — 60-year average.
0.07Mehlville, Saturday, 29 August
Climate normal for this date — 60-year average.
0.13Mehlville, Sunday, 30 August
Climate normal for this date — 60-year average.
0.11Mehlville, Monday, 31 August
Climate normal for this date — 60-year average.
0.1Mehlville, Tuesday, 1 September
Climate normal for this date — 60-year average.
0.11
Mehlville, Wednesday, 2 September
Climate normal for this date — 60-year average.
0.11Mehlville, Thursday, 3 September
Climate normal for this date — 60-year average.
0.13Mehlville, Friday, 4 September
Climate normal for this date — 60-year average.
0.05Mehlville, Saturday, 5 September
Climate normal for this date — 60-year average.
0.04
Mehlville, Sunday, 6 September
Climate normal for this date — 60-year average.
0.07Mehlville, 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 Mehlville, 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 Mehlville, 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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