Weather in South Beloit, IL
South Beloit, Thursday, 22 October, 04:22
Fog. Feels like 48°. High 74°, low 46°.
Monthly outlook for South Beloit, IL: average high 61.2°, average low 45.9°. That is 3.7° above the climate normal for October. Precipitation is expected on 3 days (about 1.0 inches), against a normal of 5 days and 1.5 inches. The warmest day looks like 22 October (74.3°), the coolest 3 November (37.6°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 22 October – 31 October | 64.6° | 56° | +4.8° |
| 1 November – 10 November | 55.4° | 51° | +2.5° |
| 11 November – 20 November | at normal | 45.7° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Rockford (15 mi).
0
South Beloit, Friday, 23 October
Mostly clear. High 73°, low 47°.
0
South Beloit, Saturday, 24 October
Overcast. High 68°, low 50°.
0
South Beloit, Sunday, 25 October
Partly cloudy. High 71°, low 51°.
0South Beloit, Monday, 26 October
Overcast. High 64°, low 50°.
0.03
South Beloit, Tuesday, 27 October
Light rain. High 64°, low 52°.
0South Beloit, Wednesday, 28 October
Overcast. High 57°, low 48°.
0.08South Beloit, Thursday, 29 October
Light rain. High 57°, low 46°.
0.46South Beloit, Friday, 30 October
Rain. High 60°, low 52°.
0.47South Beloit, Saturday, 31 October
Rain. High 59°, low 48°.
0
South Beloit, Sunday, 1 November
Clear. High 60°, low 44°.
0South Beloit, Monday, 2 November
Overcast. High 54°, low 41°.
0South Beloit, Tuesday, 3 November
Overcast. High 55°, low 38°.
0South Beloit, Wednesday, 4 November
Partly cloudy. High 54°, low 39°.
0South Beloit, Thursday, 5 November
Overcast. High 53°, low 42°.
0South Beloit, Friday, 6 November
Clear. High 57°, low 40°.
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.
0.07South Beloit, Sunday, 15 November
Climate normal for this date — 60-year average.
0.05South Beloit, Monday, 16 November
Climate normal for this date — 60-year average.
0.11South Beloit, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.09South Beloit, Wednesday, 18 November
Climate normal for this date — 60-year average.
0.06South Beloit, Thursday, 19 November
Climate normal for this date — 60-year average.
0.07
South Beloit, Friday, 20 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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