Weather in Barnett, IL
Barnett, Wednesday, 21 October, 04:55
Clear. Feels like 43°. High 75°, low 43°.
Monthly outlook for Barnett, IL: average high 67°, average low 50.9°. That is 3° above the climate normal for October. Precipitation is expected on 5 days (about 3.9 inches), against a normal of 5 days and 1.9 inches. The warmest day looks like 22 October (76.9°), the coolest 30 October (39.5°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 21 October – 30 October | 68.7° | 63° | +3.2° |
| 31 October – 9 November | 64.1° | 58.6° | +3.1° |
| 10 November – 19 November | at normal | 53.7° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Edwardsville (7 mi).
0
Barnett, Thursday, 22 October
Clear. High 77°, low 50°.
0Barnett, Friday, 23 October
Clear. High 73°, low 51°.
0
Barnett, Saturday, 24 October
Overcast. High 71°, low 50°.
0Barnett, Sunday, 25 October
Overcast. High 75°, low 51°.
0Barnett, Monday, 26 October
Overcast. High 72°, low 52°.
0.01
Barnett, Tuesday, 27 October
Light rain. High 61°, low 56°.
0Barnett, Wednesday, 28 October
Overcast. High 70°, low 51°.
0.01Barnett, Thursday, 29 October
Light rain. High 56°, low 43°.
0Barnett, Friday, 30 October
Overcast. High 58°, low 39°.
0.06Barnett, Saturday, 31 October
Light rain. High 57°, low 44°.
1.35Barnett, Sunday, 1 November
Rain. High 56°, low 51°.
0.05Barnett, Monday, 2 November
Light rain. High 61°, low 57°.
0.14Barnett, Tuesday, 3 November
Light rain. High 67°, low 51°.
2.28Barnett, Wednesday, 4 November
Heavy rain. High 70°, low 64°.
0.04Barnett, Thursday, 5 November
Light rain. High 72°, low 61°.
0.09
Barnett, Friday, 6 November
Climate normal for this date — 60-year average.
0.08
Barnett, Saturday, 7 November
Climate normal for this date — 60-year average.
0.04
Barnett, Sunday, 8 November
Climate normal for this date — 60-year average.
0.1Barnett, Monday, 9 November
Climate normal for this date — 60-year average.
0.13Barnett, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.11Barnett, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.09Barnett, Thursday, 12 November
Climate normal for this date — 60-year average.
0.06Barnett, Friday, 13 November
Climate normal for this date — 60-year average.
0.1Barnett, Saturday, 14 November
Climate normal for this date — 60-year average.
0.13Barnett, Sunday, 15 November
Climate normal for this date — 60-year average.
0.11Barnett, Monday, 16 November
Climate normal for this date — 60-year average.
0.12Barnett, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.17Barnett, Wednesday, 18 November
Climate normal for this date — 60-year average.
0.07Barnett, Thursday, 19 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 Barnett, 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 Barnett, 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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