Weather in Saint Vrains, CO
Saint Vrains, Friday, 23 October, 12:03
Clear. Feels like 74°. High 75°, low 57°.
Monthly outlook for Saint Vrains, CO: average high 63.1°, average low 43.7°. That is 3.8° above the climate normal for October. Precipitation is expected on 2 days (about 0.4 inches), against a normal of 3 days and 0.7 inches. The warmest day looks like 23 October (75.2°), the coolest 30 October (33.9°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 23 October – 1 November | 61.4° | 57.6° | +2.1° |
| 2 November – 11 November | 66° | 53.4° | +7° |
| 12 November – 21 November | at normal | 49.9° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Thornton (8 mi).
0
Saint Vrains, Saturday, 24 October
Overcast. High 59°, low 51°.
0.22
Saint Vrains, Sunday, 25 October
Rain. High 62°, low 40°.
0.15Saint Vrains, Monday, 26 October
Light rain. High 54°, low 44°.
0
Saint Vrains, Tuesday, 27 October
Partly cloudy. High 60°, low 39°.
0Saint Vrains, Wednesday, 28 October
Overcast. High 66°, low 42°.
0Saint Vrains, Thursday, 29 October
Overcast. High 54°, low 36°.
0Saint Vrains, Friday, 30 October
Partly cloudy. High 60°, low 34°.
0Saint Vrains, Saturday, 31 October
Overcast. High 63°, low 42°.
0Saint Vrains, Sunday, 1 November
Overcast. High 62°, low 43°.
0Saint Vrains, Monday, 2 November
Clear. High 69°, low 46°.
0.01Saint Vrains, Tuesday, 3 November
Light rain. High 63°, low 47°.
0.01Saint Vrains, Wednesday, 4 November
Light rain. High 56°, low 42°.
0Saint Vrains, Thursday, 5 November
Partly cloudy. High 63°, low 39°.
0Saint Vrains, Friday, 6 November
Partly cloudy. High 72°, low 50°.
0
Saint Vrains, Saturday, 7 November
Mostly clear. High 73°, low 47°.
0.04Saint Vrains, Sunday, 8 November
Climate normal for this date — 60-year average.
0.06Saint Vrains, Monday, 9 November
Climate normal for this date — 60-year average.
0.03Saint Vrains, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.04Saint Vrains, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.04Saint Vrains, Thursday, 12 November
Climate normal for this date — 60-year average.
0.04Saint Vrains, Friday, 13 November
Climate normal for this date — 60-year average.
0.06Saint Vrains, Saturday, 14 November
Climate normal for this date — 60-year average.
0.04Saint Vrains, Sunday, 15 November
Climate normal for this date — 60-year average.
0.02Saint Vrains, Monday, 16 November
Climate normal for this date — 60-year average.
0.04Saint Vrains, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.03Saint Vrains, Wednesday, 18 November
Climate normal for this date — 60-year average.
0.04Saint Vrains, Thursday, 19 November
Climate normal for this date — 60-year average.
0.06Saint Vrains, Friday, 20 November
Climate normal for this date — 60-year average.
0.04Saint Vrains, Saturday, 21 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 Saint Vrains, 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 Saint Vrains, 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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