Weather in Rock City, IL
Rock City, Sunday, 15 November, 03:31
Clear. Feels like 22°. High 50°, low 26°.
Monthly outlook for Rock City, IL: average high 51.5°, average low 36.2°. That is 5° above the climate normal for November. Precipitation is expected on 1 day (about 0.2 inches), against a normal of 4 days and 1.3 inches. The warmest day looks like 19 November (59.3°), the coolest 23 November (24.4°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 15 November – 24 November | 50.4° | 44.3° | +3.4° |
| 25 November – 4 December | 53.4° | 38.6° | +8.2° |
| 5 December – 14 December | at normal | 33.9° | — |
November records over 66 years
Climate normals and records are computed from the nearest reference point — Freeport (12 mi).
0
Rock City, Monday, 16 November
Clear. High 51°, low 31°.
0
Rock City, Tuesday, 17 November
Mostly clear. High 54°, low 35°.
0
Rock City, Wednesday, 18 November
Overcast. High 55°, low 39°.
0.03
Rock City, Thursday, 19 November
Light rain. High 59°, low 43°.
0
Rock City, Friday, 20 November
Partly cloudy. High 54°, low 35°.
0.19Rock City, Saturday, 21 November
Light rain. High 55°, low 47°.
0Rock City, Sunday, 22 November
Overcast. High 46°, low 33°.
0Rock City, Monday, 23 November
Clear. High 39°, low 24°.
0Rock City, Tuesday, 24 November
Overcast. High 42°, low 27°.
0Rock City, Wednesday, 25 November
Mostly clear. High 47°, low 30°.
0Rock City, Thursday, 26 November
Overcast. High 54°, low 38°.
0Rock City, Friday, 27 November
Overcast. High 55°, low 40°.
0Rock City, Saturday, 28 November
Overcast. High 57°, low 44°.
0Rock City, Sunday, 29 November
Partly cloudy. High 56°, low 43°.
0Rock City, Monday, 30 November
Light rain. High 51°, low 44°.
0.11
Rock City, Tuesday, 1 December
Climate normal for this date — 60-year average.
0.05Rock City, Wednesday, 2 December
Climate normal for this date — 60-year average.
0.09Rock City, Thursday, 3 December
Climate normal for this date — 60-year average.
0.06Rock City, Friday, 4 December
Climate normal for this date — 60-year average.
0.07Rock City, Saturday, 5 December
Climate normal for this date — 60-year average.
0.05Rock City, Sunday, 6 December
Climate normal for this date — 60-year average.
0.09Rock City, Monday, 7 December
Climate normal for this date — 60-year average.
0.07Rock City, Tuesday, 8 December
Climate normal for this date — 60-year average.
0.08Rock City, Wednesday, 9 December
Climate normal for this date — 60-year average.
0.07Rock City, Thursday, 10 December
Climate normal for this date — 60-year average.
0.09Rock City, Friday, 11 December
Climate normal for this date — 60-year average.
0.05Rock City, Saturday, 12 December
Climate normal for this date — 60-year average.
0.05Rock City, Sunday, 13 December
Climate normal for this date — 60-year average.
0.11Rock City, Monday, 14 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 Rock City, 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 Rock City, 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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