Weather in Grand Junction, IA
Grand Junction, Monday, 26 October, 20:06
Overcast. Feels like 62°. High 64°, low 48°.
Monthly outlook for Grand Junction, IA: average high 59.5°, average low 47.8°. That is 3.3° above the climate normal for October. Precipitation is expected on 9 days (about 4.4 inches), against a normal of 4 days and 1.2 inches. The warmest day looks like 28 October (73°), the coolest 5 November (35.5°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 26 October – 4 November | 62.7° | 55° | +4.3° |
| 5 November – 14 November | 54.1° | 49.4° | +2.6° |
| 15 November – 24 November | at normal | 45.7° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Jefferson (7 mi).
0.21
Grand Junction, Tuesday, 27 October
Rain. High 67°, low 54°.
0.39Grand Junction, Wednesday, 28 October
Heavy rain. High 73°, low 52°.
0.35Grand Junction, Thursday, 29 October
Heavy rain. High 66°, low 54°.
0.09Grand Junction, Friday, 30 October
Light rain. High 66°, low 50°.
0.33Grand Junction, Saturday, 31 October
Rain. High 65°, low 56°.
0.05Grand Junction, Sunday, 1 November
Light rain. High 65°, low 56°.
0.89Grand Junction, Monday, 2 November
Rain. High 59°, low 54°.
1.98Grand Junction, Tuesday, 3 November
Rain. High 54°, low 43°.
0.06Grand Junction, Wednesday, 4 November
Light rain. High 48°, low 39°.
0
Grand Junction, Thursday, 5 November
Clear. High 51°, low 35°.
0Grand Junction, Friday, 6 November
Overcast. High 52°, low 36°.
0Grand Junction, Saturday, 7 November
Overcast. High 55°, low 43°.
0
Grand Junction, Sunday, 8 November
Partly cloudy. High 62°, low 50°.
0Grand Junction, Monday, 9 November
Overcast. High 55°, low 49°.
0.02Grand Junction, Tuesday, 10 November
Light rain. High 50°, low 45°.
0.08Grand 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.
0.07Grand Junction, Friday, 13 November
Climate normal for this date — 60-year average.
0.03
Grand 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.
0.04Grand Junction, Monday, 16 November
Climate normal for this date — 60-year average.
0.08Grand Junction, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.06Grand Junction, Wednesday, 18 November
Climate normal for this date — 60-year average.
0.07Grand Junction, Thursday, 19 November
Climate normal for this date — 60-year average.
0.08Grand Junction, Friday, 20 November
Climate normal for this date — 60-year average.
0.03Grand Junction, Saturday, 21 November
Climate normal for this date — 60-year average.
0.02Grand Junction, Sunday, 22 November
Climate normal for this date — 60-year average.
0.06Grand Junction, Monday, 23 November
Climate normal for this date — 60-year average.
0.05Grand Junction, Tuesday, 24 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, IA 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, IA 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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