Weather in Chesterfield, MO
Chesterfield, Tuesday, 27 October, 08:55
Overcast. Feels like 57°. High 72°, low 52°.
Monthly outlook for Chesterfield, MO: average high 65.1°, average low 52.7°. That is 3.2° above the climate normal for October. Precipitation is expected on 6 days (about 2.5 inches), against a normal of 4 days and 1.8 inches. The warmest day looks like 28 October (79°), the coolest 11 November (37°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 27 October – 5 November | 70.1° | 60.6° | +5.3° |
| 6 November – 15 November | 56.8° | 55.9° | +0.5° |
| 16 November – 25 November | at normal | 52.6° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Winchester (6 mi).
0
Chesterfield, Wednesday, 28 October
Clear. High 79°, low 51°.
0
Chesterfield, Thursday, 29 October
Mostly clear. High 78°, low 54°.
0
Chesterfield, Friday, 30 October
Light rain. High 73°, low 59°.
0Chesterfield, Saturday, 31 October
Overcast. High 71°, low 61°.
0.24Chesterfield, Sunday, 1 November
Rain. High 70°, low 61°.
0.01Chesterfield, Monday, 2 November
Light rain. High 72°, low 61°.
0.68Chesterfield, Tuesday, 3 November
Rain. High 66°, low 60°.
0.87Chesterfield, Wednesday, 4 November
Rain. High 60°, low 56°.
0.41Chesterfield, Thursday, 5 November
Rain. High 61°, low 54°.
0.09Chesterfield, Friday, 6 November
Light rain. High 53°, low 49°.
0Chesterfield, Saturday, 7 November
Overcast. High 59°, low 49°.
0
Chesterfield, Sunday, 8 November
Partly cloudy. High 64°, low 45°.
0.16Chesterfield, Monday, 9 November
Light rain. High 56°, low 51°.
0Chesterfield, Tuesday, 10 November
Clear. High 55°, low 43°.
0Chesterfield, Wednesday, 11 November
Mostly clear. High 53°, low 37°.
0.09Chesterfield, Thursday, 12 November
Climate normal for this date — 60-year average.
0.05Chesterfield, Friday, 13 November
Climate normal for this date — 60-year average.
0.09Chesterfield, Saturday, 14 November
Climate normal for this date — 60-year average.
0.13Chesterfield, Sunday, 15 November
Climate normal for this date — 60-year average.
0.12Chesterfield, Monday, 16 November
Climate normal for this date — 60-year average.
0.12Chesterfield, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.17
Chesterfield, Wednesday, 18 November
Climate normal for this date — 60-year average.
0.08Chesterfield, Thursday, 19 November
Climate normal for this date — 60-year average.
0.1Chesterfield, Friday, 20 November
Climate normal for this date — 60-year average.
0.09Chesterfield, Saturday, 21 November
Climate normal for this date — 60-year average.
0.09Chesterfield, Sunday, 22 November
Climate normal for this date — 60-year average.
0.09Chesterfield, Monday, 23 November
Climate normal for this date — 60-year average.
0.14Chesterfield, Tuesday, 24 November
Climate normal for this date — 60-year average.
0.16Chesterfield, Wednesday, 25 November
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 Chesterfield, 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 Chesterfield, 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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