Weather in Boulder Hill, IL
Boulder Hill, Friday, 30 October, 12:20
Overcast. Feels like 57°. High 58°, low 44°.
Monthly outlook for Boulder Hill, IL: average high 55.5°, average low 46.8°. That is 2.1° above the climate normal for October. Precipitation is expected on 5 days (about 1.1 inches), against a normal of 5 days and 1.4 inches. The warmest day looks like 3 November (70.5°), the coolest 11 November (35.2°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 30 October – 8 November | 59.7° | 53.8° | +3.3° |
| 9 November – 18 November | 48.7° | 48.2° | +0.2° |
| 19 November – 28 November | at normal | 44° | — |
October records over 66 years
0.09
Boulder Hill, Saturday, 31 October
Light rain. High 67°, low 51°.
0Boulder Hill, Sunday, 1 November
Overcast. High 65°, low 55°.
0Boulder Hill, Monday, 2 November
Light rain. High 63°, low 56°.
0Boulder Hill, Tuesday, 3 November
Light rain. High 71°, low 63°.
0.62Boulder Hill, Wednesday, 4 November
Rain. High 65°, low 59°.
0.06Boulder Hill, Thursday, 5 November
Light rain. High 57°, low 52°.
0Boulder Hill, Friday, 6 November
Overcast. High 52°, low 47°.
0
Boulder Hill, Saturday, 7 November
Clear. High 51°, low 41°.
0Boulder Hill, Sunday, 8 November
Overcast. High 48°, low 39°.
0Boulder Hill, Monday, 9 November
Overcast. High 48°, low 43°.
0.02Boulder Hill, Tuesday, 10 November
Light rain. High 46°, low 42°.
0Boulder Hill, Wednesday, 11 November
Clear. High 50°, low 35°.
0Boulder Hill, Thursday, 12 November
Clear. High 50°, low 35°.
0.17Boulder Hill, Friday, 13 November
Light rain. High 48°, low 41°.
0.16Boulder Hill, Saturday, 14 November
Light rain. High 50°, low 47°.
0.09
Boulder 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.
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.
0.12Boulder Hill, Saturday, 28 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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