Weather in Arvada, CO
Arvada, Thursday, 15 October, 06:50
Overcast. Feels like 38°. High 54°, low 37°.
Monthly outlook for Arvada, CO: average high 60.6°, average low 42.9°. That is 0.8° above the climate normal for October. Precipitation is expected on 3 days (about 1.0 inches), against a normal of 4 days and 0.9 inches. The warmest day looks like 21 October (70.9°), the coolest 16 October (33.6°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 15 October – 24 October | 61.5° | 60.9° | +0.4° |
| 25 October – 3 November | 59.1° | 54.5° | +2.6° |
| 4 November – 13 November | at normal | 51.8° | — |
October records over 66 years
0
Arvada, Friday, 16 October
Clear. High 57°, low 34°.
0Arvada, Saturday, 17 October
Clear. High 70°, low 34°.
0Arvada, Sunday, 18 October
Overcast. High 68°, low 39°.
0Arvada, Monday, 19 October
Clear. High 65°, low 44°.
0
Arvada, Tuesday, 20 October
Partly cloudy. High 67°, low 43°.
0Arvada, Wednesday, 21 October
Clear. High 71°, low 55°.
0.02
Arvada, Thursday, 22 October
Light rain. High 66°, low 56°.
0.8Arvada, Friday, 23 October
Rain. High 54°, low 42°.
0.13
Arvada, Saturday, 24 October
Snow. High 45°, low 38°.
0
Arvada, Sunday, 25 October
Mostly clear. High 57°, low 35°.
0Arvada, Monday, 26 October
Overcast. High 51°, low 43°.
0Arvada, Tuesday, 27 October
Clear. High 60°, low 41°.
0Arvada, Wednesday, 28 October
Overcast. High 68°, low 47°.
0Arvada, Thursday, 29 October
Overcast. High 61°, low 50°.
0Arvada, Friday, 30 October
Mostly clear. High 58°, low 48°.
0.06Arvada, Saturday, 31 October
Climate normal for this date — 60-year average.
0.08Arvada, Sunday, 1 November
Climate normal for this date — 60-year average.
0.08Arvada, Monday, 2 November
Climate normal for this date — 60-year average.
0.06Arvada, Tuesday, 3 November
Climate normal for this date — 60-year average.
0.03Arvada, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.04Arvada, Thursday, 5 November
Climate normal for this date — 60-year average.
0.04Arvada, Friday, 6 November
Climate normal for this date — 60-year average.
0.03Arvada, Saturday, 7 November
Climate normal for this date — 60-year average.
0.06Arvada, Sunday, 8 November
Climate normal for this date — 60-year average.
0.09Arvada, Monday, 9 November
Climate normal for this date — 60-year average.
0.04Arvada, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.05Arvada, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.05Arvada, Thursday, 12 November
Climate normal for this date — 60-year average.
0.04Arvada, Friday, 13 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 Arvada, 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 Arvada, 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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