Weather in Grand Junction, CO
Grand Junction, Saturday, 17 October, 23:05
Overcast. Feels like 50°. High 69°, low 39°.
Monthly outlook for Grand Junction, CO: average high 62.6°, average low 46.8°. That is 0.8° above the climate normal for October. Precipitation is expected on 6 days (about 1.1 inches), against a normal of 4 days and 1.0 inches. The warmest day looks like 17 October (69.1°), the coolest 17 October (39.3°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 17 October – 26 October | 63.1° | 63.2° | -0° |
| 27 October – 5 November | 61.6° | 56.9° | +2.6° |
| 6 November – 15 November | at normal | 53.1° | — |
October records over 66 years
0Grand Junction, Sunday, 18 October
Overcast. High 65°, low 43°.
0
Grand Junction, Monday, 19 October
Mostly clear. High 64°, low 44°.
0Grand Junction, Tuesday, 20 October
Mostly clear. High 66°, low 46°.
0.01
Grand Junction, Wednesday, 21 October
Light rain. High 69°, low 47°.
0.26Grand Junction, Thursday, 22 October
Light rain. High 64°, low 54°.
0.39Grand Junction, Friday, 23 October
Rain. High 56°, low 46°.
0
Grand Junction, Saturday, 24 October
Clear. High 62°, low 48°.
0
Grand Junction, Sunday, 25 October
Partly cloudy. High 59°, low 44°.
0.04Grand Junction, Monday, 26 October
Light rain. High 58°, low 50°.
0.07Grand Junction, Tuesday, 27 October
Light rain. High 65°, low 49°.
0.25Grand Junction, Wednesday, 28 October
Light rain. High 61°, low 50°.
0Grand Junction, Thursday, 29 October
Partly cloudy. High 59°, low 48°.
0Grand Junction, Friday, 30 October
Clear. High 63°, low 47°.
0.12Grand Junction, Saturday, 31 October
Light rain. High 56°, low 48°.
0Grand Junction, Sunday, 1 November
Clear. High 65°, low 46°.
0.06Grand Junction, Monday, 2 November
Climate normal for this date — 60-year average.
0.08Grand Junction, Tuesday, 3 November
Climate normal for this date — 60-year average.
0.03Grand Junction, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.06Grand Junction, Thursday, 5 November
Climate normal for this date — 60-year average.
0.03Grand Junction, Friday, 6 November
Climate normal for this date — 60-year average.
0.03Grand Junction, Saturday, 7 November
Climate normal for this date — 60-year average.
0.07Grand Junction, Sunday, 8 November
Climate normal for this date — 60-year average.
0.11
Grand Junction, Monday, 9 November
Climate normal for this date — 60-year average.
0.05Grand Junction, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.06Grand Junction, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.07Grand Junction, Thursday, 12 November
Climate normal for this date — 60-year average.
0.06Grand Junction, Friday, 13 November
Climate normal for this date — 60-year average.
0.04Grand Junction, Saturday, 14 November
Climate normal for this date — 60-year average.
0.07Grand Junction, Sunday, 15 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 Grand Junction, 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 Grand Junction, 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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