Weather in Riddle Hill, IL
Riddle Hill, Tuesday, 20 October, 22:00
Clear. Feels like 52°. High 73°, low 44°.
Monthly outlook for Riddle Hill, IL: average high 64.8°, average low 46.7°. That is 2.5° above the climate normal for October. Precipitation is expected on 2 days (about 0.6 inches), against a normal of 5 days and 1.8 inches. The warmest day looks like 25 October (75.5°), the coolest 29 October (37.6°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 20 October – 29 October | 67.5° | 61.4° | +3.4° |
| 30 October – 8 November | 60.2° | 57.2° | +1.7° |
| 9 November – 18 November | at normal | 52.1° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Springfield (6 mi).
0
Riddle Hill, Wednesday, 21 October
Partly cloudy. High 74°, low 46°.
0
Riddle Hill, Thursday, 22 October
Clear. High 75°, low 49°.
0Riddle Hill, Friday, 23 October
Clear. High 72°, low 51°.
0
Riddle Hill, Saturday, 24 October
Overcast. High 71°, low 51°.
0Riddle Hill, Sunday, 25 October
Overcast. High 75°, low 54°.
0Riddle Hill, Monday, 26 October
Overcast. High 74°, low 54°.
0.24
Riddle Hill, Tuesday, 27 October
Rain. High 51°, low 44°.
0Riddle Hill, Wednesday, 28 October
Partly cloudy. High 53°, low 41°.
0Riddle Hill, Thursday, 29 October
Clear. High 57°, low 38°.
0
Riddle Hill, Friday, 30 October
Mostly clear. High 60°, low 40°.
0Riddle Hill, Saturday, 31 October
Partly cloudy. High 64°, low 42°.
0.41Riddle Hill, Sunday, 1 November
Rain. High 59°, low 50°.
0Riddle Hill, Monday, 2 November
Clear. High 66°, low 54°.
0Riddle Hill, Tuesday, 3 November
Overcast. High 57°, low 43°.
0Riddle Hill, Wednesday, 4 November
Overcast. High 56°, low 46°.
0.16Riddle Hill, Thursday, 5 November
Climate normal for this date — 60-year average.
0.08Riddle Hill, Friday, 6 November
Climate normal for this date — 60-year average.
0.07Riddle Hill, Saturday, 7 November
Climate normal for this date — 60-year average.
0.04Riddle Hill, Sunday, 8 November
Climate normal for this date — 60-year average.
0.11
Riddle Hill, Monday, 9 November
Climate normal for this date — 60-year average.
0.15Riddle Hill, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.09Riddle Hill, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.06Riddle Hill, Thursday, 12 November
Climate normal for this date — 60-year average.
0.06Riddle Hill, Friday, 13 November
Climate normal for this date — 60-year average.
0.07Riddle Hill, Saturday, 14 November
Climate normal for this date — 60-year average.
0.1Riddle Hill, Sunday, 15 November
Climate normal for this date — 60-year average.
0.08Riddle Hill, Monday, 16 November
Climate normal for this date — 60-year average.
0.12Riddle Hill, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.18Riddle Hill, Wednesday, 18 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 Riddle Hill, 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 Riddle Hill, 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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