Weather in Brereton, IL
Brereton, Tuesday, 10 November, 17:21
Clear. Feels like 52°. High 65°, low 43°.
Monthly outlook for Brereton, IL: average high 48.8°, average low 34.3°. That is 0.3° above the climate normal for November. Precipitation is expected on 5 days (about 3.1 inches), against a normal of 4 days and 1.3 inches. The warmest day looks like 10 November (65.2°), the coolest 24 November (17.5°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 10 November – 19 November | 51.7° | 49.4° | +1.3° |
| 20 November – 29 November | 43.8° | 45° | -0.6° |
| 30 November – 9 December | at normal | 39.6° | — |
November records over 66 years
Climate normals and records are computed from the nearest reference point — Trivoli (9 mi).
0.25
Brereton, Wednesday, 11 November
Rain. High 60°, low 42°.
0Brereton, Thursday, 12 November
Light rain. High 46°, low 39°.
0
Brereton, Friday, 13 November
Overcast. High 43°, low 34°.
0
Brereton, Saturday, 14 November
Clear. High 44°, low 27°.
0Brereton, Sunday, 15 November
Clear. High 48°, low 30°.
0Brereton, Monday, 16 November
Clear. High 49°, low 31°.
0Brereton, Tuesday, 17 November
Clear. High 50°, low 34°.
0
Brereton, Wednesday, 18 November
Mostly clear. High 54°, low 35°.
0.05Brereton, Thursday, 19 November
Light rain. High 59°, low 44°.
0.38Brereton, Friday, 20 November
Rain. High 62°, low 51°.
2.36Brereton, Saturday, 21 November
Heavy rain. High 59°, low 51°.
0.02Brereton, Sunday, 22 November
Light rain. High 41°, low 24°.
0.09
Brereton, Monday, 23 November
Light snow. High 28°, low 21°.
0Brereton, Tuesday, 24 November
Mostly clear. High 29°, low 17°.
0Brereton, Wednesday, 25 November
Mostly clear. High 44°, low 26°.
0.14
Brereton, Thursday, 26 November
Climate normal for this date — 60-year average.
0.2Brereton, Friday, 27 November
Climate normal for this date — 60-year average.
0.11
Brereton, Saturday, 28 November
Climate normal for this date — 60-year average.
0.07Brereton, Sunday, 29 November
Climate normal for this date — 60-year average.
0.09Brereton, Monday, 30 November
Climate normal for this date — 60-year average.
0.13Brereton, Tuesday, 1 December
Climate normal for this date — 60-year average.
0.06Brereton, Wednesday, 2 December
Climate normal for this date — 60-year average.
0.09Brereton, Thursday, 3 December
Climate normal for this date — 60-year average.
0.07Brereton, Friday, 4 December
Climate normal for this date — 60-year average.
0.07Brereton, Saturday, 5 December
Climate normal for this date — 60-year average.
0.07Brereton, Sunday, 6 December
Climate normal for this date — 60-year average.
0.1Brereton, Monday, 7 December
Climate normal for this date — 60-year average.
0.06Brereton, Tuesday, 8 December
Climate normal for this date — 60-year average.
0.08Brereton, 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 Brereton, 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 Brereton, 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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