Weather in South Beloit, IL
South Beloit, Friday, 16 October, 22:11
Clear. Feels like 38°. High 54°, low 44°.
Monthly outlook for South Beloit, IL: average high 59.8°, average low 44.3°. That is 1.6° above the climate normal for October. Precipitation is expected on 2 days (about 0.5 inches), against a normal of 5 days and 1.4 inches. The warmest day looks like 24 October (71.3°), the coolest 17 October (34.5°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 16 October – 25 October | 63° | 58.1° | +2.8° |
| 26 October – 4 November | 54.4° | 54.1° | +0.2° |
| 5 November – 14 November | at normal | 48.3° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Rockford (15 mi).
0
South Beloit, Saturday, 17 October
Clear. High 54°, low 35°.
0South Beloit, Sunday, 18 October
Clear. High 61°, low 42°.
0South Beloit, Monday, 19 October
Clear. High 64°, low 41°.
0South Beloit, Tuesday, 20 October
Clear. High 66°, low 42°.
0South Beloit, Wednesday, 21 October
Clear. High 68°, low 45°.
0.03
South Beloit, Thursday, 22 October
Light rain. High 64°, low 49°.
0
South Beloit, Friday, 23 October
Mostly clear. High 71°, low 54°.
0
South Beloit, Saturday, 24 October
Partly cloudy. High 71°, low 56°.
0
South Beloit, Sunday, 25 October
Overcast. High 57°, low 44°.
0.03South Beloit, Monday, 26 October
Light rain. High 49°, low 45°.
0South Beloit, Tuesday, 27 October
Overcast. High 63°, low 47°.
0South Beloit, Wednesday, 28 October
Clear. High 53°, low 38°.
0.15South Beloit, Thursday, 29 October
Rain. High 52°, low 41°.
0.22South Beloit, Friday, 30 October
Light rain. High 55°, low 47°.
0South Beloit, Saturday, 31 October
Clear. High 54°, low 41°.
0.16
South Beloit, Sunday, 1 November
Climate normal for this date — 60-year average.
0.1South Beloit, Monday, 2 November
Climate normal for this date — 60-year average.
0.06South Beloit, Tuesday, 3 November
Climate normal for this date — 60-year average.
0.09South Beloit, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.11South Beloit, Thursday, 5 November
Climate normal for this date — 60-year average.
0.09South Beloit, Friday, 6 November
Climate normal for this date — 60-year average.
0.03South Beloit, Saturday, 7 November
Climate normal for this date — 60-year average.
0.05South Beloit, Sunday, 8 November
Climate normal for this date — 60-year average.
0.11South Beloit, Monday, 9 November
Climate normal for this date — 60-year average.
0.11South Beloit, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.06South Beloit, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.07South Beloit, Thursday, 12 November
Climate normal for this date — 60-year average.
0.04South Beloit, Friday, 13 November
Climate normal for this date — 60-year average.
0.06South Beloit, Saturday, 14 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 South Beloit, 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 South Beloit, 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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