Weather in Arco, MN
Arco, Thursday, 8 October, 04:06
Overcast. Feels like 49°. High 70°, low 48°.
Monthly outlook for Arco, MN: average high 67.2°, average low 50°. That is 5.7° above the climate normal for October. Precipitation is expected on 1 day (about 0.4 inches), against a normal of 4 days and 1.2 inches. The warmest day looks like 10 October (80.9°), the coolest 17 October (42.3°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 8 October – 17 October | 66.7° | 58.1° | +4.8° |
| 18 October – 27 October | 68° | 54.1° | +7.7° |
| 28 October – 6 November | at normal | 48.7° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Ivanhoe (7 mi).
0
Arco, Friday, 9 October
Clear. High 75°, low 47°.
0Arco, Saturday, 10 October
Clear. High 81°, low 64°.
0Arco, Sunday, 11 October
Overcast. High 80°, low 66°.
0
Arco, Monday, 12 October
Partly cloudy. High 60°, low 50°.
0Arco, Tuesday, 13 October
Overcast. High 50°, low 43°.
0.41
Arco, Wednesday, 14 October
Rain. High 75°, low 51°.
0Arco, Thursday, 15 October
Clear. High 74°, low 57°.
0Arco, Friday, 16 October
Overcast. High 48°, low 43°.
0Arco, Saturday, 17 October
Overcast. High 54°, low 42°.
0Arco, Sunday, 18 October
Clear. High 64°, low 45°.
0Arco, Monday, 19 October
Overcast. High 61°, low 47°.
0Arco, Tuesday, 20 October
Clear. High 67°, low 46°.
0Arco, Wednesday, 21 October
Partly cloudy. High 75°, low 50°.
0Arco, Thursday, 22 October
Overcast. High 65°, low 51°.
0Arco, Friday, 23 October
Clear. High 77°, low 50°.
0.04Arco, Saturday, 24 October
Climate normal for this date — 60-year average.
0.04
Arco, Sunday, 25 October
Climate normal for this date — 60-year average.
0.04Arco, Monday, 26 October
Climate normal for this date — 60-year average.
0.1Arco, Tuesday, 27 October
Climate normal for this date — 60-year average.
0.04Arco, Wednesday, 28 October
Climate normal for this date — 60-year average.
0.07Arco, Thursday, 29 October
Climate normal for this date — 60-year average.
0.1Arco, Friday, 30 October
Climate normal for this date — 60-year average.
0.09Arco, Saturday, 31 October
Climate normal for this date — 60-year average.
0.06Arco, Sunday, 1 November
Climate normal for this date — 60-year average.
0.04Arco, Monday, 2 November
Climate normal for this date — 60-year average.
0.04Arco, Tuesday, 3 November
Climate normal for this date — 60-year average.
0.02Arco, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.05Arco, Thursday, 5 November
Climate normal for this date — 60-year average.
0.04Arco, Friday, 6 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 Arco, MN 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 Arco, MN 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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