Weather in Granby, CO
Granby, Wednesday, 21 October, 19:55
Overcast. Feels like 46°. High 63°, low 37°.
Monthly outlook for Granby, CO: average high 53.5°, average low 31.9°. That is 4.7° above the climate normal for October. Precipitation is expected on 4 days (about 0.8 inches), against a normal of 5 days and 0.9 inches. The warmest day looks like 22 October (63.2°), the coolest 2 November (22.5°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 21 October – 30 October | 56.7° | 47° | +5.4° |
| 31 October – 9 November | 48.3° | 41.7° | +3.6° |
| 10 November – 19 November | at normal | 37.4° | — |
October records over 66 years
0.03
Granby, Thursday, 22 October
Light rain. High 63°, low 41°.
0
Granby, Friday, 23 October
Partly cloudy. High 63°, low 41°.
0.02Granby, Saturday, 24 October
Light rain. High 54°, low 36°.
0.06Granby, Sunday, 25 October
Light rain. High 55°, low 37°.
0.11
Granby, Monday, 26 October
Snow. High 50°, low 36°.
0Granby, Tuesday, 27 October
Partly cloudy. High 54°, low 31°.
0
Granby, Wednesday, 28 October
Clear. High 53°, low 28°.
0Granby, Thursday, 29 October
Overcast. High 57°, low 30°.
0.08Granby, Friday, 30 October
Light rain. High 55°, low 34°.
0.46Granby, Saturday, 31 October
Snow. High 45°, low 36°.
0.02Granby, Sunday, 1 November
Snow. High 44°, low 24°.
0Granby, Monday, 2 November
Clear. High 49°, low 23°.
0Granby, Tuesday, 3 November
Overcast. High 50°, low 25°.
0
Granby, Wednesday, 4 November
Mostly clear. High 49°, low 25°.
0Granby, Thursday, 5 November
Partly cloudy. High 53°, low 28°.
0.04Granby, Friday, 6 November
Climate normal for this date — 60-year average.
0.02Granby, Saturday, 7 November
Climate normal for this date — 60-year average.
0.07
Granby, Sunday, 8 November
Climate normal for this date — 60-year average.
0.09Granby, Monday, 9 November
Climate normal for this date — 60-year average.
0.06Granby, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.06Granby, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.06Granby, Thursday, 12 November
Climate normal for this date — 60-year average.
0.05Granby, Friday, 13 November
Climate normal for this date — 60-year average.
0.07Granby, Saturday, 14 November
Climate normal for this date — 60-year average.
0.05Granby, Sunday, 15 November
Climate normal for this date — 60-year average.
0.04Granby, Monday, 16 November
Climate normal for this date — 60-year average.
0.06Granby, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.05Granby, Wednesday, 18 November
Climate normal for this date — 60-year average.
0.04Granby, Thursday, 19 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 Granby, 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 Granby, 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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