Weather in Chesterfield, MO
Chesterfield, Sunday, 25 October, 07:20
Overcast. Feels like 52°. High 79°, low 51°.
Monthly outlook for Chesterfield, MO: average high 72.2°, average low 54.8°. That is 6.7° above the climate normal for October. Precipitation is expected on 4 days (about 1.4 inches), against a normal of 5 days and 1.9 inches. The warmest day looks like 29 October (80.3°), the coolest 5 November (43.7°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 25 October – 3 November | 75.7° | 61.4° | +7.9° |
| 4 November – 13 November | 66.3° | 56.6° | +5.4° |
| 14 November – 23 November | at normal | 53.4° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Winchester (6 mi).
0Chesterfield, Monday, 26 October
Overcast. High 78°, low 53°.
0Chesterfield, Tuesday, 27 October
Overcast. High 73°, low 55°.
0
Chesterfield, Wednesday, 28 October
Clear. High 77°, low 56°.
0Chesterfield, Thursday, 29 October
Clear. High 80°, low 60°.
0.02
Chesterfield, Friday, 30 October
Light rain. High 79°, low 62°.
0.07Chesterfield, Saturday, 31 October
Light rain. High 72°, low 64°.
0.49Chesterfield, Sunday, 1 November
Rain. High 72°, low 61°.
0.69Chesterfield, Monday, 2 November
Rain. High 78°, low 65°.
0Chesterfield, Tuesday, 3 November
Overcast. High 68°, low 53°.
0Chesterfield, Wednesday, 4 November
Clear. High 62°, low 44°.
0
Chesterfield, Thursday, 5 November
Partly cloudy. High 64°, low 44°.
0Chesterfield, Friday, 6 November
Overcast. High 68°, low 50°.
0Chesterfield, Saturday, 7 November
Clear. High 69°, low 54°.
0Chesterfield, Sunday, 8 November
Clear. High 68°, low 49°.
0.14Chesterfield, Monday, 9 November
Light rain. High 66°, low 57°.
0.13Chesterfield, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.11Chesterfield, Wednesday, 11 November
Climate normal for this date — 60-year average.
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.
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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