Weather in Boulder Hill, IL
Boulder Hill, Saturday, 24 October, 06:17
Clear. Feels like 47°. High 70°, low 48°.
Monthly outlook for Boulder Hill, IL: average high 59.4°, average low 46.9°. That is 2.6° above the climate normal for October. Precipitation is expected on 4 days (about 0.9 inches), against a normal of 4 days and 1.5 inches. The warmest day looks like 25 October (72.4°), the coolest 7 November (26.4°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 24 October – 2 November | 66.6° | 56.3° | +5.7° |
| 3 November – 12 November | 47.6° | 51.1° | -2° |
| 13 November – 22 November | at normal | 46.8° | — |
October records over 66 years
0
Boulder Hill, Sunday, 25 October
Overcast. High 72°, low 48°.
0Boulder Hill, Monday, 26 October
Overcast. High 66°, low 49°.
0Boulder Hill, Tuesday, 27 October
Overcast. High 67°, low 50°.
0.01
Boulder Hill, Wednesday, 28 October
Light rain. High 71°, low 53°.
0.09Boulder Hill, Thursday, 29 October
Light rain. High 70°, low 57°.
0.02Boulder Hill, Friday, 30 October
Light rain. High 62°, low 59°.
0.24Boulder Hill, Saturday, 31 October
Rain. High 64°, low 56°.
0.21Boulder Hill, Sunday, 1 November
Rain. High 63°, low 56°.
0Boulder Hill, Monday, 2 November
Overcast. High 60°, low 54°.
0.33Boulder Hill, Tuesday, 3 November
Light rain. High 57°, low 53°.
0Boulder Hill, Wednesday, 4 November
Overcast. High 57°, low 44°.
0
Boulder Hill, Thursday, 5 November
Mostly clear. High 44°, low 32°.
0
Boulder Hill, Friday, 6 November
Clear. High 38°, low 26°.
0
Boulder Hill, Saturday, 7 November
Partly cloudy. High 40°, low 26°.
0.02Boulder Hill, Sunday, 8 November
Light rain. High 49°, low 38°.
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.
0.05Boulder 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.
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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