Weather in Preston Heights, IL
Preston Heights, Tuesday, 10 November, 23:25
Clear. Feels like 46°. High 66°, low 42°.
Monthly outlook for Preston Heights, IL: average high 46.5°, average low 33.8°. That is 0.4° below the climate normal for November. Precipitation is expected on 4 days (about 2.3 inches), against a normal of 4 days and 1.3 inches. The warmest day looks like 10 November (65.8°), the coolest 24 November (18°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 10 November – 19 November | 50.5° | 48.5° | +1.1° |
| 20 November – 29 November | 39.8° | 44.2° | -2.4° |
| 30 November – 9 December | at normal | 38.9° | — |
November records over 66 years
Climate normals and records are computed from the nearest reference point — Joliet (4 mi).
0.16
Preston Heights, Wednesday, 11 November
Rain. High 57°, low 40°.
0
Preston Heights, Thursday, 12 November
Overcast. High 47°, low 36°.
0Preston Heights, Friday, 13 November
Overcast. High 43°, low 32°.
0
Preston Heights, Saturday, 14 November
Clear. High 43°, low 29°.
0Preston Heights, Sunday, 15 November
Clear. High 47°, low 30°.
0
Preston Heights, Monday, 16 November
Partly cloudy. High 49°, low 31°.
0Preston Heights, Tuesday, 17 November
Partly cloudy. High 50°, low 37°.
0Preston Heights, Wednesday, 18 November
Clear. High 52°, low 36°.
0.01Preston Heights, Thursday, 19 November
Light rain. High 50°, low 40°.
0.88Preston Heights, Friday, 20 November
Rain. High 50°, low 47°.
1.07Preston Heights, Saturday, 21 November
Rain. High 51°, low 45°.
0Preston Heights, Sunday, 22 November
Overcast. High 39°, low 30°.
0.21
Preston Heights, Monday, 23 November
Snow. High 29°, low 22°.
0
Preston Heights, Tuesday, 24 November
Mostly clear. High 31°, low 18°.
0Preston Heights, Wednesday, 25 November
Overcast. High 39°, low 26°.
0.12
Preston Heights, Thursday, 26 November
Climate normal for this date — 60-year average.
0.22Preston Heights, Friday, 27 November
Climate normal for this date — 60-year average.
0.13Preston Heights, Saturday, 28 November
Climate normal for this date — 60-year average.
0.07Preston Heights, Sunday, 29 November
Climate normal for this date — 60-year average.
0.09Preston Heights, Monday, 30 November
Climate normal for this date — 60-year average.
0.15Preston Heights, Tuesday, 1 December
Climate normal for this date — 60-year average.
0.06Preston Heights, Wednesday, 2 December
Climate normal for this date — 60-year average.
0.09Preston Heights, Thursday, 3 December
Climate normal for this date — 60-year average.
0.07Preston Heights, Friday, 4 December
Climate normal for this date — 60-year average.
0.08Preston Heights, Saturday, 5 December
Climate normal for this date — 60-year average.
0.06Preston Heights, Sunday, 6 December
Climate normal for this date — 60-year average.
0.12Preston Heights, Monday, 7 December
Climate normal for this date — 60-year average.
0.07Preston Heights, Tuesday, 8 December
Climate normal for this date — 60-year average.
0.08Preston Heights, Wednesday, 9 December
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 Preston Heights, IL 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 Preston Heights, IL 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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