Weather in Arlington Heights, VA
Arlington Heights, Sunday, 9 August, 08:11
Overcast. Feels like 78°. High 91°, low 74°.
Monthly outlook for Arlington Heights, VA: average high 90.8°, average low 70.8°. That is 3.6° above the climate normal for August. Precipitation is expected on 6 days (about 1.1 inches), against a normal of 6 days and 2.1 inches. The warmest day looks like 24 August (102.5°), the coolest 16 August (63°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 9 August – 18 August | 86.7° | 85° | +0.9° |
| 19 August – 28 August | 97.6° | 83.6° | +7.8° |
| 29 August – 7 September | at normal | 82.4° | — |
August records over 66 years
Climate normals and records are computed from the nearest reference point — Arlington (1 mi).
0
Arlington Heights, Monday, 10 August
Partly cloudy. High 94°, low 73°.
0.06
Arlington Heights, Tuesday, 11 August
Light rain. High 94°, low 72°.
0.16Arlington Heights, Wednesday, 12 August
Rain. High 91°, low 71°.
0.03Arlington Heights, Thursday, 13 August
Light rain. High 88°, low 73°.
0Arlington Heights, Friday, 14 August
Overcast. High 82°, low 67°.
0Arlington Heights, Saturday, 15 August
Overcast. High 81°, low 64°.
0Arlington Heights, Sunday, 16 August
Overcast. High 78°, low 63°.
0.06Arlington Heights, Monday, 17 August
Light rain. High 80°, low 69°.
0
Arlington Heights, Tuesday, 18 August
Mostly clear. High 87°, low 67°.
0
Arlington Heights, Wednesday, 19 August
Clear. High 89°, low 69°.
0Arlington Heights, Thursday, 20 August
Partly cloudy. High 93°, low 70°.
0.15Arlington Heights, Friday, 21 August
Light rain. High 101°, low 73°.
0.01Arlington Heights, Saturday, 22 August
Light rain. High 99°, low 77°.
0.04Arlington Heights, Sunday, 23 August
Light rain. High 101°, low 77°.
0.55Arlington Heights, Monday, 24 August
Heavy rain. High 102°, low 74°.
0.08Arlington Heights, Tuesday, 25 August
Climate normal for this date — 60-year average.
0.05Arlington Heights, Wednesday, 26 August
Climate normal for this date — 60-year average.
0.13
Arlington Heights, Thursday, 27 August
Climate normal for this date — 60-year average.
0.16Arlington Heights, Friday, 28 August
Climate normal for this date — 60-year average.
0.13Arlington Heights, Saturday, 29 August
Climate normal for this date — 60-year average.
0.06Arlington Heights, Sunday, 30 August
Climate normal for this date — 60-year average.
0.07Arlington Heights, Monday, 31 August
Climate normal for this date — 60-year average.
0.15Arlington Heights, Tuesday, 1 September
Climate normal for this date — 60-year average.
0.11Arlington Heights, Wednesday, 2 September
Climate normal for this date — 60-year average.
0.11Arlington Heights, Thursday, 3 September
Climate normal for this date — 60-year average.
0.09Arlington Heights, Friday, 4 September
Climate normal for this date — 60-year average.
0.13Arlington Heights, Saturday, 5 September
Climate normal for this date — 60-year average.
0.23Arlington Heights, Sunday, 6 September
Climate normal for this date — 60-year average.
0.07Arlington Heights, Monday, 7 September
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, VA 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, VA 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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