Weather in Old Fort Lyons, CO
Old Fort Lyons, Sunday, 15 November, 14:30
Overcast. Feels like 40°. High 48°, low 41°.
Monthly outlook for Old Fort Lyons, CO: average high 55.8°, average low 39.1°. That is 1.9° above the climate normal for November. Precipitation is expected on 0 days (about 0.0 inches), against a normal of 2 days and 0.4 inches. The warmest day looks like 20 November (68.2°), the coolest 30 November (28.1°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 15 November – 24 November | 59.3° | 54.5° | +2.7° |
| 25 November – 4 December | 49.9° | 49° | +0.5° |
| 5 December – 14 December | at normal | 46.6° | — |
November records over 66 years
Climate normals and records are computed from the nearest reference point — Wiley (5 mi).
0Old Fort Lyons, Monday, 16 November
Overcast. High 61°, low 37°.
0Old Fort Lyons, Tuesday, 17 November
Overcast. High 67°, low 41°.
0
Old Fort Lyons, Wednesday, 18 November
Clear. High 65°, low 39°.
0Old Fort Lyons, Thursday, 19 November
Overcast. High 58°, low 35°.
0.01
Old Fort Lyons, Friday, 20 November
Light rain. High 68°, low 48°.
0Old Fort Lyons, Saturday, 21 November
Clear. High 58°, low 40°.
0Old Fort Lyons, Sunday, 22 November
Clear. High 61°, low 43°.
0.02Old Fort Lyons, Monday, 23 November
Light rain. High 53°, low 43°.
0Old Fort Lyons, Tuesday, 24 November
Overcast. High 53°, low 39°.
0Old Fort Lyons, Wednesday, 25 November
Overcast. High 56°, low 43°.
0Old Fort Lyons, Thursday, 26 November
Clear. High 52°, low 40°.
0Old Fort Lyons, Friday, 27 November
Clear. High 51°, low 40°.
0Old Fort Lyons, Saturday, 28 November
Overcast. High 51°, low 37°.
0Old Fort Lyons, Sunday, 29 November
Overcast. High 45°, low 33°.
0Old Fort Lyons, Monday, 30 November
Clear. High 45°, low 28°.
0
Old Fort Lyons, Tuesday, 1 December
Climate normal for this date — 60-year average.
0.01Old Fort Lyons, Wednesday, 2 December
Climate normal for this date — 60-year average.
0.02Old Fort Lyons, Thursday, 3 December
Climate normal for this date — 60-year average.
0.01Old Fort Lyons, Friday, 4 December
Climate normal for this date — 60-year average.
0.01Old Fort Lyons, Saturday, 5 December
Climate normal for this date — 60-year average.
0.02Old Fort Lyons, Sunday, 6 December
Climate normal for this date — 60-year average.
0.01Old Fort Lyons, Monday, 7 December
Climate normal for this date — 60-year average.
0.01Old Fort Lyons, Tuesday, 8 December
Climate normal for this date — 60-year average.
0.02Old Fort Lyons, Wednesday, 9 December
Climate normal for this date — 60-year average.
0.01Old Fort Lyons, Thursday, 10 December
Climate normal for this date — 60-year average.
0.01Old Fort Lyons, Friday, 11 December
Climate normal for this date — 60-year average.
0.02Old Fort Lyons, Saturday, 12 December
Climate normal for this date — 60-year average.
0.03Old Fort Lyons, Sunday, 13 December
Climate normal for this date — 60-year average.
0.03Old Fort Lyons, 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 Old Fort Lyons, CO 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 Fort Lyons, CO 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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