Weather in Arlington Heights, OH
Arlington Heights, Tuesday, 20 October, 18:25
Clear. Feels like 67°. High 71°, low 40°.
Monthly outlook for Arlington Heights, OH: average high 63.3°, average low 44°. That is 1.2° above the climate normal for October. Precipitation is expected on 3 days (about 0.9 inches), against a normal of 5 days and 1.7 inches. The warmest day looks like 21 October (71.6°), the coolest 31 October (34.4°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 20 October – 29 October | 66.8° | 61.8° | +2.8° |
| 30 October – 8 November | 57.5° | 58.4° | -0.5° |
| 9 November – 18 November | at normal | 53° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Golf Manor (2 mi).
0Arlington Heights, Wednesday, 21 October
Clear. High 72°, low 42°.
0Arlington Heights, Thursday, 22 October
Clear. High 68°, low 43°.
0
Arlington Heights, Friday, 23 October
Overcast. High 67°, low 47°.
0Arlington Heights, Saturday, 24 October
Clear. High 67°, low 45°.
0Arlington Heights, Sunday, 25 October
Overcast. High 70°, low 47°.
0Arlington Heights, Monday, 26 October
Overcast. High 71°, low 50°.
0Arlington Heights, Tuesday, 27 October
Overcast. High 70°, low 57°.
0.3
Arlington Heights, Wednesday, 28 October
Rain. High 57°, low 43°.
0Arlington Heights, Thursday, 29 October
Light rain. High 54°, low 42°.
0Arlington Heights, Friday, 30 October
Clear. High 51°, low 36°.
0Arlington Heights, Saturday, 31 October
Overcast. High 57°, low 34°.
0.36Arlington Heights, Sunday, 1 November
Rain. High 58°, low 48°.
0.22Arlington Heights, Monday, 2 November
Light rain. High 71°, low 50°.
0Arlington Heights, Tuesday, 3 November
Clear. High 54°, low 41°.
0Arlington Heights, Wednesday, 4 November
Overcast. High 54°, low 38°.
0.08
Arlington Heights, Thursday, 5 November
Climate normal for this date — 60-year average.
0.09Arlington Heights, Friday, 6 November
Climate normal for this date — 60-year average.
0.11Arlington Heights, Saturday, 7 November
Climate normal for this date — 60-year average.
0.04
Arlington Heights, Sunday, 8 November
Climate normal for this date — 60-year average.
0.11
Arlington Heights, Monday, 9 November
Climate normal for this date — 60-year average.
0.17Arlington Heights, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.14Arlington Heights, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.11Arlington Heights, Thursday, 12 November
Climate normal for this date — 60-year average.
0.07Arlington Heights, Friday, 13 November
Climate normal for this date — 60-year average.
0.07Arlington Heights, Saturday, 14 November
Climate normal for this date — 60-year average.
0.16Arlington Heights, Sunday, 15 November
Climate normal for this date — 60-year average.
0.09Arlington Heights, Monday, 16 November
Climate normal for this date — 60-year average.
0.13Arlington Heights, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.1Arlington Heights, Wednesday, 18 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 Arlington Heights, OH 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 Arlington Heights, OH 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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