Weather in Boulder Hill, IL
Boulder Hill, Thursday, 22 October, 23:20
Clear. Feels like 53°. High 73°, low 46°.
Monthly outlook for Boulder Hill, IL: average high 63.6°, average low 49.1°. That is 4.3° above the climate normal for October. Precipitation is expected on 4 days (about 1.1 inches), against a normal of 5 days and 1.6 inches. The warmest day looks like 22 October (73.1°), the coolest 5 November (37.3°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 22 October – 31 October | 68.1° | 57.3° | +6° |
| 1 November – 10 November | 56° | 52.6° | +1.9° |
| 11 November – 20 November | at normal | 47.3° | — |
October records over 66 years
0
Boulder Hill, Friday, 23 October
Clear. High 72°, low 47°.
0.01
Boulder Hill, Saturday, 24 October
Light rain. High 70°, low 46°.
0Boulder Hill, Sunday, 25 October
Clear. High 71°, low 50°.
0
Boulder Hill, Monday, 26 October
Overcast. High 66°, low 50°.
0Boulder Hill, Tuesday, 27 October
Overcast. High 63°, low 52°.
0Boulder Hill, Wednesday, 28 October
Overcast. High 70°, low 52°.
0.01Boulder Hill, Thursday, 29 October
Light rain. High 71°, low 56°.
0.15Boulder Hill, Friday, 30 October
Light rain. High 62°, low 56°.
0.57Boulder Hill, Saturday, 31 October
Rain. High 61°, low 56°.
0.03Boulder Hill, Sunday, 1 November
Light rain. High 64°, low 54°.
0.22Boulder Hill, Monday, 2 November
Rain. High 55°, low 50°.
0.02Boulder Hill, Tuesday, 3 November
Light rain. High 53°, low 50°.
0.11Boulder Hill, Wednesday, 4 November
Light rain. High 52°, low 42°.
0
Boulder Hill, Thursday, 5 November
Partly cloudy. High 51°, low 37°.
0Boulder Hill, Friday, 6 November
Clear. High 60°, low 43°.
0.05Boulder Hill, Saturday, 7 November
Climate normal for this date — 60-year average.
0.06Boulder Hill, Sunday, 8 November
Climate normal for this date — 60-year average.
0.11
Boulder Hill, Monday, 9 November
Climate normal for this date — 60-year average.
0.12Boulder Hill, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.06Boulder Hill, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.06Boulder Hill, Thursday, 12 November
Climate normal for this date — 60-year average.
0.05Boulder Hill, Friday, 13 November
Climate normal for this date — 60-year average.
0.07Boulder Hill, Saturday, 14 November
Climate normal for this date — 60-year average.
0.09Boulder Hill, Sunday, 15 November
Climate normal for this date — 60-year average.
0.05
Boulder Hill, Monday, 16 November
Climate normal for this date — 60-year average.
0.1Boulder Hill, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.13Boulder Hill, Wednesday, 18 November
Climate normal for this date — 60-year average.
0.07Boulder Hill, Thursday, 19 November
Climate normal for this date — 60-year average.
0.08Boulder Hill, 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 Boulder 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 Boulder 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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