Weather in Boulder Hill, IL
Boulder Hill, Thursday, 29 October, 00:08
Overcast. Feels like 63°. High 70°, low 53°.
Monthly outlook for Boulder Hill, IL: average high 56.1°, average low 46°. That is 2.1° above the climate normal for October. Precipitation is expected on 8 days (about 4.4 inches), against a normal of 4 days and 1.4 inches. The warmest day looks like 29 October (69.8°), the coolest 13 November (36°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 29 October – 7 November | 61.8° | 54.2° | +4.2° |
| 8 November – 17 November | 46.8° | 48.6° | -1° |
| 18 November – 27 November | at normal | 44.8° | — |
October records over 66 years
0.01
Boulder Hill, Friday, 30 October
Light rain. High 65°, low 49°.
1.02Boulder Hill, Saturday, 31 October
Rain. High 54°, low 51°.
0Boulder Hill, Sunday, 1 November
Overcast. High 65°, low 47°.
0.07Boulder Hill, Monday, 2 November
Light rain. High 63°, low 55°.
1.77Boulder Hill, Tuesday, 3 November
Heavy rain. High 64°, low 60°.
0.41Boulder Hill, Wednesday, 4 November
Rain. High 63°, low 61°.
0.48Boulder Hill, Thursday, 5 November
Rain. High 66°, low 58°.
0.07Boulder Hill, Friday, 6 November
Light rain. High 56°, low 40°.
0
Boulder Hill, Saturday, 7 November
Partly cloudy. High 51°, low 37°.
0Boulder Hill, Sunday, 8 November
Overcast. High 50°, low 38°.
0.26Boulder Hill, Monday, 9 November
Rain. High 49°, low 39°.
0.3Boulder Hill, Tuesday, 10 November
Light rain. High 45°, low 38°.
0
Boulder Hill, Wednesday, 11 November
Mostly clear. High 46°, low 36°.
0Boulder Hill, Thursday, 12 November
Overcast. High 44°, low 37°.
0Boulder Hill, Friday, 13 November
Mostly clear. High 46°, low 36°.
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.
0.05Boulder 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.
0.1Boulder Hill, Saturday, 21 November
Climate normal for this date — 60-year average.
0.04Boulder Hill, Sunday, 22 November
Climate normal for this date — 60-year average.
0.08Boulder Hill, Monday, 23 November
Climate normal for this date — 60-year average.
0.07Boulder Hill, Tuesday, 24 November
Climate normal for this date — 60-year average.
0.08
Boulder Hill, Wednesday, 25 November
Climate normal for this date — 60-year average.
0.11Boulder Hill, Thursday, 26 November
Climate normal for this date — 60-year average.
0.21Boulder Hill, Friday, 27 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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