Weather in Roy, CO
Roy, Wednesday, 7 October, 10:40
Clear. Feels like 64°. High 80°, low 56°.
Monthly outlook for Roy, CO: average high 69.6°, average low 48°. That is 2.1° above the climate normal for October. Precipitation is expected on 3 days (about 1.4 inches), against a normal of 3 days and 0.7 inches. The warmest day looks like 9 October (85.7°), the coolest 16 October (33°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 7 October – 16 October | 74.2° | 66.9° | +4.1° |
| 17 October – 26 October | 61.9° | 63.5° | -0.9° |
| 27 October – 5 November | at normal | 56.2° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Keenesburg (3 mi).
0Roy, Thursday, 8 October
Clear. High 84°, low 54°.
0Roy, Friday, 9 October
Clear. High 86°, low 53°.
0
Roy, Saturday, 10 October
Partly cloudy. High 85°, low 58°.
0.02
Roy, Sunday, 11 October
Light rain. High 82°, low 61°.
0Roy, Monday, 12 October
Clear. High 77°, low 49°.
0
Roy, Tuesday, 13 October
Overcast. High 71°, low 47°.
0.01Roy, Wednesday, 14 October
Light rain. High 71°, low 55°.
0.25
Roy, Thursday, 15 October
Snow. High 56°, low 37°.
0
Roy, Friday, 16 October
Mostly clear. High 51°, low 33°.
0Roy, Saturday, 17 October
Partly cloudy. High 52°, low 34°.
0Roy, Sunday, 18 October
Clear. High 58°, low 36°.
0Roy, Monday, 19 October
Clear. High 68°, low 43°.
0Roy, Tuesday, 20 October
Clear. High 72°, low 49°.
0.41Roy, Wednesday, 21 October
Rain. High 66°, low 48°.
0.69Roy, Thursday, 22 October
Rain. High 55°, low 53°.
0.02Roy, Friday, 23 October
Climate normal for this date — 60-year average.
0.03Roy, Saturday, 24 October
Climate normal for this date — 60-year average.
0.05Roy, Sunday, 25 October
Climate normal for this date — 60-year average.
0.06Roy, Monday, 26 October
Climate normal for this date — 60-year average.
0.03Roy, Tuesday, 27 October
Climate normal for this date — 60-year average.
0.05Roy, Wednesday, 28 October
Climate normal for this date — 60-year average.
0.06Roy, Thursday, 29 October
Climate normal for this date — 60-year average.
0.04Roy, Friday, 30 October
Climate normal for this date — 60-year average.
0.03Roy, Saturday, 31 October
Climate normal for this date — 60-year average.
0.06Roy, Sunday, 1 November
Climate normal for this date — 60-year average.
0.04Roy, Monday, 2 November
Climate normal for this date — 60-year average.
0.03Roy, Tuesday, 3 November
Climate normal for this date — 60-year average.
0.01Roy, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.02Roy, Thursday, 5 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 Roy, 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 Roy, 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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