Weather in San Luis, CO
San Luis, Thursday, 8 October, 11:32
Mostly clear. Feels like 67°. High 72°, low 44°.
Monthly outlook for San Luis, CO: average high 58.5°, average low 39.6°. That is 0° above the climate normal for October. Precipitation is expected on 3 days (about 0.6 inches), against a normal of 3 days and 0.5 inches. The warmest day looks like 9 October (72.2°), the coolest 19 October (29.3°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 8 October – 17 October | 61° | 59.6° | +0.8° |
| 18 October – 27 October | 54.4° | 55.3° | -0.5° |
| 28 October – 6 November | at normal | 49.7° | — |
October records over 66 years
0San Luis, Friday, 9 October
Mostly clear. High 72°, low 44°.
0.03
San Luis, Saturday, 10 October
Light rain. High 66°, low 47°.
0.01San Luis, Sunday, 11 October
Light rain. High 68°, low 49°.
0
San Luis, Monday, 12 October
Clear. High 67°, low 50°.
0.03San Luis, Tuesday, 13 October
Light rain. High 66°, low 52°.
0.19San Luis, Wednesday, 14 October
Light rain. High 51°, low 39°.
0San Luis, Thursday, 15 October
Clear. High 55°, low 37°.
0San Luis, Friday, 16 October
Clear. High 49°, low 32°.
0.31San Luis, Saturday, 17 October
Rain. High 43°, low 34°.
0.07San Luis, Sunday, 18 October
Light rain. High 46°, low 35°.
0San Luis, Monday, 19 October
Mostly clear. High 52°, low 29°.
0San Luis, Tuesday, 20 October
Clear. High 55°, low 32°.
0San Luis, Wednesday, 21 October
Clear. High 58°, low 34°.
0San Luis, Thursday, 22 October
Clear. High 58°, low 36°.
0San Luis, Friday, 23 October
Clear. High 58°, low 38°.
0.03San Luis, Saturday, 24 October
Climate normal for this date — 60-year average.
0.04
San Luis, Sunday, 25 October
Climate normal for this date — 60-year average.
0.07San Luis, Monday, 26 October
Climate normal for this date — 60-year average.
0.03San Luis, Tuesday, 27 October
Climate normal for this date — 60-year average.
0.02San Luis, Wednesday, 28 October
Climate normal for this date — 60-year average.
0.04San Luis, Thursday, 29 October
Climate normal for this date — 60-year average.
0.04San Luis, Friday, 30 October
Climate normal for this date — 60-year average.
0.04San Luis, Saturday, 31 October
Climate normal for this date — 60-year average.
0.04San Luis, Sunday, 1 November
Climate normal for this date — 60-year average.
0.04San Luis, Monday, 2 November
Climate normal for this date — 60-year average.
0.02San Luis, Tuesday, 3 November
Climate normal for this date — 60-year average.
0.02San Luis, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.01San Luis, Thursday, 5 November
Climate normal for this date — 60-year average.
0.01San Luis, Friday, 6 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 San Luis, 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 San Luis, 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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