Weather in Old Monroe, MO
Old Monroe, Wednesday, 28 October, 06:20
Clear. Feels like 51°. High 77°, low 52°.
Monthly outlook for Old Monroe, MO: average high 63.8°, average low 49.3°. That is 3° above the climate normal for October. Precipitation is expected on 8 days (about 3.5 inches), against a normal of 4 days and 1.8 inches. The warmest day looks like 29 October (79.7°), the coolest 8 November (37.7°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 28 October – 6 November | 67.4° | 59.8° | +4.2° |
| 7 November – 16 November | 57.8° | 55.2° | +1.5° |
| 17 November – 26 November | at normal | 51.9° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — O'Fallon (11 mi).
0
Old Monroe, Thursday, 29 October
Clear. High 80°, low 53°.
0.06
Old Monroe, Friday, 30 October
Light rain. High 73°, low 59°.
0.01Old Monroe, Saturday, 31 October
Light rain. High 70°, low 61°.
0
Old Monroe, Sunday, 1 November
Mostly clear. High 74°, low 58°.
0.89Old Monroe, Monday, 2 November
Heavy rain. High 72°, low 62°.
0.33Old Monroe, Tuesday, 3 November
Rain. High 65°, low 51°.
0.4Old Monroe, Wednesday, 4 November
Rain. High 56°, low 48°.
1.51Old Monroe, Thursday, 5 November
Heavy rain. High 55°, low 51°.
0Old Monroe, Friday, 6 November
Clear. High 52°, low 41°.
0
Old Monroe, Saturday, 7 November
Overcast. High 53°, low 40°.
0Old Monroe, Sunday, 8 November
Clear. High 56°, low 38°.
0Old Monroe, Monday, 9 November
Overcast. High 59°, low 40°.
0.13Old Monroe, Tuesday, 10 November
Light rain. High 59°, low 41°.
0.08Old Monroe, Wednesday, 11 November
Light rain. High 59°, low 48°.
0.1Old Monroe, Thursday, 12 November
Light rain. High 61°, low 47°.
0.05
Old Monroe, Friday, 13 November
Climate normal for this date — 60-year average.
0.07Old Monroe, Saturday, 14 November
Climate normal for this date — 60-year average.
0.12Old Monroe, Sunday, 15 November
Climate normal for this date — 60-year average.
0.11Old Monroe, Monday, 16 November
Climate normal for this date — 60-year average.
0.13Old Monroe, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.15Old Monroe, Wednesday, 18 November
Climate normal for this date — 60-year average.
0.1Old Monroe, Thursday, 19 November
Climate normal for this date — 60-year average.
0.13Old Monroe, Friday, 20 November
Climate normal for this date — 60-year average.
0.09Old Monroe, Saturday, 21 November
Climate normal for this date — 60-year average.
0.09Old Monroe, Sunday, 22 November
Climate normal for this date — 60-year average.
0.09Old Monroe, Monday, 23 November
Climate normal for this date — 60-year average.
0.13Old Monroe, Tuesday, 24 November
Climate normal for this date — 60-year average.
0.13
Old Monroe, Wednesday, 25 November
Climate normal for this date — 60-year average.
0.15Old Monroe, Thursday, 26 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 Old Monroe, 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 Old Monroe, 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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