Weather in Ethlyn, MO
Ethlyn, Friday, 9 October, 18:46
Clear. Feels like 79°. High 88°, low 55°.
Monthly outlook for Ethlyn, MO: average high 75.1°, average low 52.6°. That is 4.7° above the climate normal for October. Precipitation is expected on 3 days (about 0.9 inches), against a normal of 4 days and 1.7 inches. The warmest day looks like 12 October (90°), the coolest 18 October (32.8°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 9 October – 18 October | 76.2° | 67.8° | +4.7° |
| 19 October – 28 October | 73.2° | 63.6° | +5.3° |
| 29 October – 7 November | at normal | 59.5° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — O'Fallon (12 mi).
0
Ethlyn, Saturday, 10 October
Overcast. High 80°, low 54°.
0
Ethlyn, Sunday, 11 October
Clear. High 85°, low 52°.
0Ethlyn, Monday, 12 October
Clear. High 90°, low 66°.
0.07
Ethlyn, Tuesday, 13 October
Light rain. High 90°, low 73°.
0.56Ethlyn, Wednesday, 14 October
Rain. High 76°, low 69°.
0.23Ethlyn, Thursday, 15 October
Light rain. High 84°, low 62°.
0Ethlyn, Friday, 16 October
Overcast. High 65°, low 52°.
0
Ethlyn, Saturday, 17 October
Partly cloudy. High 49°, low 37°.
0
Ethlyn, Sunday, 18 October
Mostly clear. High 55°, low 33°.
0Ethlyn, Monday, 19 October
Overcast. High 62°, low 41°.
0Ethlyn, Tuesday, 20 October
Clear. High 69°, low 44°.
0Ethlyn, Wednesday, 21 October
Clear. High 74°, low 47°.
0Ethlyn, Thursday, 22 October
Clear. High 76°, low 50°.
0Ethlyn, Friday, 23 October
Clear. High 78°, low 52°.
0Ethlyn, Saturday, 24 October
Overcast. High 80°, low 55°.
0.13Ethlyn, Sunday, 25 October
Climate normal for this date — 60-year average.
0.13
Ethlyn, Monday, 26 October
Climate normal for this date — 60-year average.
0.09Ethlyn, Tuesday, 27 October
Climate normal for this date — 60-year average.
0.05Ethlyn, Wednesday, 28 October
Climate normal for this date — 60-year average.
0.13Ethlyn, Thursday, 29 October
Climate normal for this date — 60-year average.
0.12Ethlyn, Friday, 30 October
Climate normal for this date — 60-year average.
0.16Ethlyn, Saturday, 31 October
Climate normal for this date — 60-year average.
0.19Ethlyn, Sunday, 1 November
Climate normal for this date — 60-year average.
0.09Ethlyn, Monday, 2 November
Climate normal for this date — 60-year average.
0.12Ethlyn, Tuesday, 3 November
Climate normal for this date — 60-year average.
0.15Ethlyn, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.17Ethlyn, Thursday, 5 November
Climate normal for this date — 60-year average.
0.09Ethlyn, Friday, 6 November
Climate normal for this date — 60-year average.
0.07Ethlyn, Saturday, 7 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 Ethlyn, 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 Ethlyn, 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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