Weather in Lyon, MO
Lyon, Tuesday, 13 October, 12:49
Clear. Feels like 94°. High 90°, low 68°.
Monthly outlook for Lyon, MO: average high 70.1°, average low 54.7°. That is 2.7° above the climate normal for October. Precipitation is expected on 3 days (about 2.0 inches), against a normal of 5 days and 1.7 inches. The warmest day looks like 13 October (90.4°), the coolest 27 October (42.1°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 13 October – 22 October | 72.9° | 66.5° | +3.5° |
| 23 October – 1 November | 65.5° | 62.5° | +1.6° |
| 2 November – 11 November | at normal | 57.9° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — New Haven (7 mi).
0.76
Lyon, Wednesday, 14 October
Heavy rain. High 79°, low 65°.
0.93Lyon, Thursday, 15 October
Heavy rain. High 84°, low 67°.
0
Lyon, Friday, 16 October
Overcast. High 65°, low 52°.
0Lyon, Saturday, 17 October
Clear. High 59°, low 43°.
0Lyon, Sunday, 18 October
Clear. High 67°, low 44°.
0.02Lyon, Monday, 19 October
Light rain. High 60°, low 53°.
0Lyon, Tuesday, 20 October
Overcast. High 71°, low 57°.
0.24Lyon, Wednesday, 21 October
Light rain. High 70°, low 62°.
0Lyon, Thursday, 22 October
Overcast. High 82°, low 67°.
0Lyon, Friday, 23 October
Overcast. High 76°, low 60°.
0Lyon, Saturday, 24 October
Overcast. High 64°, low 50°.
0Lyon, Sunday, 25 October
Overcast. High 66°, low 51°.
0Lyon, Monday, 26 October
Overcast. High 57°, low 45°.
0Lyon, Tuesday, 27 October
Overcast. High 62°, low 42°.
0Lyon, Wednesday, 28 October
Light rain. High 68°, low 51°.
0.13
Lyon, Thursday, 29 October
Climate normal for this date — 60-year average.
0.13
Lyon, Friday, 30 October
Climate normal for this date — 60-year average.
0.15Lyon, Saturday, 31 October
Climate normal for this date — 60-year average.
0.17Lyon, Sunday, 1 November
Climate normal for this date — 60-year average.
0.09Lyon, Monday, 2 November
Climate normal for this date — 60-year average.
0.13Lyon, Tuesday, 3 November
Climate normal for this date — 60-year average.
0.16Lyon, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.19Lyon, Thursday, 5 November
Climate normal for this date — 60-year average.
0.09Lyon, Friday, 6 November
Climate normal for this date — 60-year average.
0.08
Lyon, Saturday, 7 November
Climate normal for this date — 60-year average.
0.04Lyon, Sunday, 8 November
Climate normal for this date — 60-year average.
0.11Lyon, Monday, 9 November
Climate normal for this date — 60-year average.
0.11Lyon, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.1Lyon, Wednesday, 11 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 Lyon, 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 Lyon, 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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