Weather in Granby, CO
Granby, Sunday, 11 October, 04:44
Light rain. Feels like 45°. High 69°, low 45°.
Monthly outlook for Granby, CO: average high 59.6°, average low 36.7°. That is 5° above the climate normal for October. Precipitation is expected on 4 days (about 1.3 inches), against a normal of 4 days and 0.8 inches. The warmest day looks like 11 October (69.4°), the coolest 17 October (28.4°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 11 October – 20 October | 58.8° | 51.9° | +3.8° |
| 21 October – 30 October | 61° | 47° | +7.8° |
| 31 October – 9 November | at normal | 41.7° | — |
October records over 66 years
0
Granby, Monday, 12 October
Clear. High 69°, low 45°.
0.05Granby, Tuesday, 13 October
Light rain. High 61°, low 40°.
0.75Granby, Wednesday, 14 October
Rain. High 52°, low 38°.
0.28
Granby, Thursday, 15 October
Snow. High 46°, low 37°.
0.01Granby, Friday, 16 October
Light rain. High 56°, low 36°.
0Granby, Saturday, 17 October
Clear. High 55°, low 28°.
0Granby, Sunday, 18 October
Clear. High 59°, low 32°.
0Granby, Monday, 19 October
Clear. High 60°, low 33°.
0
Granby, Tuesday, 20 October
Overcast. High 60°, low 36°.
0
Granby, Wednesday, 21 October
Mostly clear. High 59°, low 35°.
0Granby, Thursday, 22 October
Clear. High 64°, low 36°.
0Granby, Friday, 23 October
Clear. High 61°, low 39°.
0Granby, Saturday, 24 October
Clear. High 60°, low 34°.
0
Granby, Sunday, 25 October
Partly cloudy. High 61°, low 35°.
0Granby, Monday, 26 October
Overcast. High 61°, low 36°.
0.04Granby, Tuesday, 27 October
Climate normal for this date — 60-year average.
0.06Granby, Wednesday, 28 October
Climate normal for this date — 60-year average.
0.07Granby, Thursday, 29 October
Climate normal for this date — 60-year average.
0.05Granby, Friday, 30 October
Climate normal for this date — 60-year average.
0.04
Granby, Saturday, 31 October
Climate normal for this date — 60-year average.
0.07Granby, Sunday, 1 November
Climate normal for this date — 60-year average.
0.08Granby, Monday, 2 November
Climate normal for this date — 60-year average.
0.06Granby, Tuesday, 3 November
Climate normal for this date — 60-year average.
0.04Granby, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.06Granby, Thursday, 5 November
Climate normal for this date — 60-year average.
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.
0.07Granby, Sunday, 8 November
Climate normal for this date — 60-year average.
0.09Granby, Monday, 9 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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