Weather in Granite City, IL
Granite City, Saturday, 14 November, 21:02
Clear. Feels like 36°. High 49°, low 27°.
Monthly outlook for Granite City, IL: average high 53.5°, average low 37.4°. That is 1° above the climate normal for November. Precipitation is expected on 3 days (about 1.1 inches), against a normal of 5 days and 1.9 inches. The warmest day looks like 21 November (67.7°), the coolest 15 November (27.5°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 14 November – 23 November | 57.2° | 53.2° | +2.2° |
| 24 November – 3 December | 47.4° | 48.3° | -0.5° |
| 4 December – 13 December | at normal | 44.1° | — |
November records over 66 years
Climate normals and records are computed from the nearest reference point — Flordell Hills (7 mi).
0
Granite City, Sunday, 15 November
Partly cloudy. High 52°, low 27°.
0
Granite City, Monday, 16 November
Clear. High 56°, low 29°.
0Granite City, Tuesday, 17 November
Clear. High 56°, low 36°.
0
Granite City, Wednesday, 18 November
Overcast. High 60°, low 41°.
0Granite City, Thursday, 19 November
Clear. High 67°, low 47°.
0Granite City, Friday, 20 November
Overcast. High 68°, low 54°.
0.09
Granite City, Saturday, 21 November
Light rain. High 68°, low 53°.
0.02Granite City, Sunday, 22 November
Light rain. High 56°, low 43°.
0
Granite City, Monday, 23 November
Mostly clear. High 41°, low 30°.
0Granite City, Tuesday, 24 November
Mostly clear. High 42°, low 28°.
0Granite City, Wednesday, 25 November
Overcast. High 43°, low 29°.
0Granite City, Thursday, 26 November
Overcast. High 53°, low 35°.
0.85Granite City, Friday, 27 November
Rain. High 59°, low 46°.
0.18
Granite City, Saturday, 28 November
Snow. High 41°, low 37°.
0Granite City, Sunday, 29 November
Mostly clear. High 46°, low 36°.
0.17Granite City, Monday, 30 November
Climate normal for this date — 60-year average.
0.11Granite City, Tuesday, 1 December
Climate normal for this date — 60-year average.
0.08Granite City, Wednesday, 2 December
Climate normal for this date — 60-year average.
0.11Granite City, Thursday, 3 December
Climate normal for this date — 60-year average.
0.08Granite City, Friday, 4 December
Climate normal for this date — 60-year average.
0.09Granite City, Saturday, 5 December
Climate normal for this date — 60-year average.
0.06
Granite City, Sunday, 6 December
Climate normal for this date — 60-year average.
0.09Granite City, Monday, 7 December
Climate normal for this date — 60-year average.
0.08Granite City, Tuesday, 8 December
Climate normal for this date — 60-year average.
0.07Granite City, Wednesday, 9 December
Climate normal for this date — 60-year average.
0.11Granite City, Thursday, 10 December
Climate normal for this date — 60-year average.
0.09Granite City, Friday, 11 December
Climate normal for this date — 60-year average.
0.07Granite City, Saturday, 12 December
Climate normal for this date — 60-year average.
0.08Granite City, Sunday, 13 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 Granite 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 Granite 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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