Weather in Fairview Heights, IL
Fairview Heights, Wednesday, 28 October, 19:37
Clear. Feels like 65°. High 78°, low 50°.
Monthly outlook for Fairview Heights, IL: average high 62.9°, average low 50.6°. That is 2° above the climate normal for October. Precipitation is expected on 5 days (about 2.9 inches), against a normal of 5 days and 1.8 inches. The warmest day looks like 28 October (78.4°), the coolest 12 November (34.8°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 28 October – 6 November | 67.9° | 60.7° | +4° |
| 7 November – 16 November | 54.5° | 55.8° | -0.7° |
| 17 November – 26 November | at normal | 52.6° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — St. Louis (13 mi).
0
Fairview Heights, Thursday, 29 October
Light rain. High 78°, low 53°.
1.15Fairview Heights, Friday, 30 October
Heavy rain. High 74°, low 55°.
0
Fairview Heights, Saturday, 31 October
Overcast. High 70°, low 60°.
0Fairview Heights, Sunday, 1 November
Overcast. High 71°, low 55°.
0Fairview Heights, Monday, 2 November
Overcast. High 69°, low 56°.
0.68Fairview Heights, Tuesday, 3 November
Rain. High 64°, low 60°.
0.79Fairview Heights, Wednesday, 4 November
Rain. High 62°, low 60°.
0.2Fairview Heights, Thursday, 5 November
Light rain. High 60°, low 53°.
0
Fairview Heights, Friday, 6 November
Partly cloudy. High 54°, low 42°.
0Fairview Heights, Saturday, 7 November
Overcast. High 55°, low 41°.
0Fairview Heights, Sunday, 8 November
Overcast. High 61°, low 46°.
0.09Fairview Heights, Monday, 9 November
Light rain. High 60°, low 57°.
0Fairview Heights, Tuesday, 10 November
Light rain. High 57°, low 49°.
0
Fairview Heights, Wednesday, 11 November
Mostly clear. High 47°, low 39°.
0Fairview Heights, Thursday, 12 November
Overcast. High 47°, low 35°.
0.06Fairview Heights, Friday, 13 November
Climate normal for this date — 60-year average.
0.09Fairview Heights, Saturday, 14 November
Climate normal for this date — 60-year average.
0.12Fairview Heights, Sunday, 15 November
Climate normal for this date — 60-year average.
0.11Fairview Heights, Monday, 16 November
Climate normal for this date — 60-year average.
0.12Fairview Heights, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.17
Fairview Heights, Wednesday, 18 November
Climate normal for this date — 60-year average.
0.09Fairview Heights, Thursday, 19 November
Climate normal for this date — 60-year average.
0.1Fairview Heights, Friday, 20 November
Climate normal for this date — 60-year average.
0.09Fairview Heights, Saturday, 21 November
Climate normal for this date — 60-year average.
0.09Fairview Heights, Sunday, 22 November
Climate normal for this date — 60-year average.
0.1Fairview Heights, Monday, 23 November
Climate normal for this date — 60-year average.
0.14Fairview Heights, Tuesday, 24 November
Climate normal for this date — 60-year average.
0.16Fairview Heights, Wednesday, 25 November
Climate normal for this date — 60-year average.
0.17Fairview Heights, Thursday, 26 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 Fairview Heights, 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 Fairview Heights, 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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