Weather in St. Peters, MO
St. Peters, Sunday, 15 November, 02:05
Clear. Feels like 32°. High 52°, low 28°.
Monthly outlook for St. Peters, MO: average high 53.3°, average low 37.3°. That is 1.3° above the climate normal for November. Precipitation is expected on 3 days (about 1.4 inches), against a normal of 5 days and 1.9 inches. The warmest day looks like 20 November (67.4°), the coolest 24 November (26.9°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 15 November – 24 November | 56.5° | 52.6° | +2.2° |
| 25 November – 4 December | 47.8° | 47.5° | +0.2° |
| 5 December – 14 December | at normal | 43.6° | — |
November records over 66 years
Climate normals and records are computed from the nearest reference point — O'Fallon (6 mi).
0
St. Peters, Monday, 16 November
Clear. High 55°, low 29°.
0St. Peters, Tuesday, 17 November
Clear. High 57°, low 35°.
0
St. Peters, Wednesday, 18 November
Overcast. High 61°, low 40°.
0St. Peters, Thursday, 19 November
Clear. High 67°, low 48°.
0St. Peters, Friday, 20 November
Overcast. High 67°, low 54°.
0.09
St. Peters, Saturday, 21 November
Light rain. High 67°, low 55°.
0.02St. Peters, Sunday, 22 November
Light rain. High 57°, low 41°.
0
St. Peters, Monday, 23 November
Partly cloudy. High 41°, low 29°.
0St. Peters, Tuesday, 24 November
Partly cloudy. High 42°, low 27°.
0St. Peters, Wednesday, 25 November
Overcast. High 43°, low 30°.
0St. Peters, Thursday, 26 November
Overcast. High 53°, low 35°.
1.14St. Peters, Friday, 27 November
Rain. High 57°, low 41°.
0.17St. Peters, Saturday, 28 November
Light rain. High 40°, low 36°.
0St. Peters, Sunday, 29 November
Clear. High 46°, low 35°.
0St. Peters, Monday, 30 November
Overcast. High 47°, low 33°.
0.11St. Peters, Tuesday, 1 December
Climate normal for this date — 60-year average.
0.08St. Peters, Wednesday, 2 December
Climate normal for this date — 60-year average.
0.1St. Peters, Thursday, 3 December
Climate normal for this date — 60-year average.
0.09St. Peters, Friday, 4 December
Climate normal for this date — 60-year average.
0.08St. Peters, Saturday, 5 December
Climate normal for this date — 60-year average.
0.06
St. Peters, Sunday, 6 December
Climate normal for this date — 60-year average.
0.09St. Peters, Monday, 7 December
Climate normal for this date — 60-year average.
0.07St. Peters, Tuesday, 8 December
Climate normal for this date — 60-year average.
0.07St. Peters, Wednesday, 9 December
Climate normal for this date — 60-year average.
0.11St. Peters, Thursday, 10 December
Climate normal for this date — 60-year average.
0.08St. Peters, Friday, 11 December
Climate normal for this date — 60-year average.
0.06St. Peters, Saturday, 12 December
Climate normal for this date — 60-year average.
0.09St. Peters, Sunday, 13 December
Climate normal for this date — 60-year average.
0.13St. Peters, Monday, 14 December
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 St. Peters, 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 St. Peters, 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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