Weather in Old Fort Lyons, CO
Old Fort Lyons, Monday, 9 November, 21:55
Clear. Feels like 35°. High 74°, low 39°.
Monthly outlook for Old Fort Lyons, CO: average high 58.1°, average low 40°. That is 1.4° above the climate normal for November. Precipitation is expected on 4 days (about 2.1 inches), against a normal of 2 days and 0.4 inches. The warmest day looks like 9 November (74.3°), the coolest 23 November (30.5°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 9 November – 18 November | 64.6° | 57.1° | +4.2° |
| 19 November – 28 November | 47.3° | 51.6° | -2.4° |
| 29 November – 8 December | at normal | 48° | — |
November records over 66 years
Climate normals and records are computed from the nearest reference point — Wiley (5 mi).
0
Old Fort Lyons, Tuesday, 10 November
Clear. High 71°, low 35°.
0Old Fort Lyons, Wednesday, 11 November
Clear. High 66°, low 42°.
0Old Fort Lyons, Thursday, 12 November
Clear. High 68°, low 38°.
0
Old Fort Lyons, Friday, 13 November
Overcast. High 62°, low 38°.
0.07
Old Fort Lyons, Saturday, 14 November
Light rain. High 66°, low 43°.
0.31Old Fort Lyons, Sunday, 15 November
Light rain. High 50°, low 44°.
0Old Fort Lyons, Monday, 16 November
Clear. High 56°, low 42°.
0
Old Fort Lyons, Tuesday, 17 November
Mostly clear. High 66°, low 45°.
0Old Fort Lyons, Wednesday, 18 November
Overcast. High 66°, low 52°.
0Old Fort Lyons, Thursday, 19 November
Clear. High 55°, low 44°.
0.61Old Fort Lyons, Friday, 20 November
Rain. High 47°, low 43°.
1.13Old Fort Lyons, Saturday, 21 November
Heavy rain. High 50°, low 38°.
0.01
Old Fort Lyons, Sunday, 22 November
Light snow. High 42°, low 32°.
0Old Fort Lyons, Monday, 23 November
Clear. High 45°, low 31°.
0Old Fort Lyons, Tuesday, 24 November
Overcast. High 45°, low 33°.
0.02Old Fort Lyons, Wednesday, 25 November
Climate normal for this date — 60-year average.
0.02Old Fort Lyons, Thursday, 26 November
Climate normal for this date — 60-year average.
0.02Old Fort Lyons, Friday, 27 November
Climate normal for this date — 60-year average.
0.01Old Fort Lyons, Saturday, 28 November
Climate normal for this date — 60-year average.
0.02Old Fort Lyons, Sunday, 29 November
Climate normal for this date — 60-year average.
0.01Old Fort Lyons, Monday, 30 November
Climate normal for this date — 60-year average.
0Old 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.
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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