Weather in Sierra, CO
Sierra, Tuesday, 20 October, 07:56
Mostly clear. Feels like 45°. High 60°, low 40°.
Monthly outlook for Sierra, CO: average high 50.7°, average low 36.2°. That is 1.2° above the climate normal for October. Precipitation is expected on 4 days (about 1.6 inches), against a normal of 3 days and 0.8 inches. The warmest day looks like 21 October (63.2°), the coolest 28 October (31.7°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 20 October – 29 October | 51.2° | 50.8° | +0.2° |
| 30 October – 8 November | 49.8° | 45.3° | +2.5° |
| 9 November – 18 November | at normal | 42.1° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Muleshoe (7 mi).
0.02
Sierra, Wednesday, 21 October
Light rain. High 63°, low 42°.
0.22Sierra, Thursday, 22 October
Rain. High 53°, low 42°.
0.35Sierra, Friday, 23 October
Light rain. High 52°, low 41°.
0.34
Sierra, Saturday, 24 October
Snow. High 41°, low 34°.
0.62Sierra, Sunday, 25 October
Snow. High 45°, low 32°.
0
Sierra, Monday, 26 October
Clear. High 47°, low 33°.
0.02Sierra, Tuesday, 27 October
Light snow. High 49°, low 33°.
0
Sierra, Wednesday, 28 October
Overcast. High 50°, low 32°.
0Sierra, Thursday, 29 October
Overcast. High 52°, low 35°.
0.02Sierra, Friday, 30 October
Light rain. High 46°, low 36°.
0.02Sierra, Saturday, 31 October
Light rain. High 51°, low 37°.
0
Sierra, Sunday, 1 November
Partly cloudy. High 52°, low 36°.
0Sierra, Monday, 2 November
Overcast. High 53°, low 37°.
0.03Sierra, Tuesday, 3 November
Snow. High 49°, low 36°.
0Sierra, Wednesday, 4 November
Overcast. High 47°, low 33°.
0.01Sierra, Thursday, 5 November
Climate normal for this date — 60-year average.
0.03Sierra, Friday, 6 November
Climate normal for this date — 60-year average.
0.04Sierra, Saturday, 7 November
Climate normal for this date — 60-year average.
0.06Sierra, Sunday, 8 November
Climate normal for this date — 60-year average.
0.05Sierra, Monday, 9 November
Climate normal for this date — 60-year average.
0.02Sierra, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.04Sierra, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.04Sierra, Thursday, 12 November
Climate normal for this date — 60-year average.
0.02Sierra, Friday, 13 November
Climate normal for this date — 60-year average.
0.04Sierra, Saturday, 14 November
Climate normal for this date — 60-year average.
0.04Sierra, Sunday, 15 November
Climate normal for this date — 60-year average.
0.04Sierra, Monday, 16 November
Climate normal for this date — 60-year average.
0.03Sierra, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.02Sierra, Wednesday, 18 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 Sierra, 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 Sierra, 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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