Weather in Boulder Hill, IL
Boulder Hill, Sunday, 8 November, 23:52
Clear. Feels like 42°. High 61°, low 39°.
Monthly outlook for Boulder Hill, IL: average high 51.4°, average low 36.8°. That is 2.1° above the climate normal for November. Precipitation is expected on 2 days (about 0.5 inches), against a normal of 4 days and 1.3 inches. The warmest day looks like 23 November (61.5°), the coolest 14 November (29.4°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 8 November – 17 November | 51.6° | 48.6° | +1.7° |
| 18 November – 27 November | 51° | 44.8° | +3.5° |
| 28 November – 7 December | at normal | 38.9° | — |
November records over 66 years
0
Boulder Hill, Monday, 9 November
Overcast. High 60°, low 37°.
0
Boulder Hill, Tuesday, 10 November
Clear. High 61°, low 41°.
0
Boulder Hill, Wednesday, 11 November
Light rain. High 57°, low 40°.
0.03Boulder Hill, Thursday, 12 November
Light rain. High 44°, low 35°.
0Boulder Hill, Friday, 13 November
Overcast. High 42°, low 34°.
0Boulder Hill, Saturday, 14 November
Clear. High 43°, low 29°.
0
Boulder Hill, Sunday, 15 November
Mostly clear. High 46°, low 30°.
0Boulder Hill, Monday, 16 November
Overcast. High 50°, low 34°.
0Boulder Hill, Tuesday, 17 November
Overcast. High 53°, low 36°.
0.21Boulder Hill, Wednesday, 18 November
Light rain. High 50°, low 43°.
0Boulder Hill, Thursday, 19 November
Clear. High 51°, low 39°.
0Boulder Hill, Friday, 20 November
Overcast. High 51°, low 38°.
0.26Boulder Hill, Saturday, 21 November
Rain. High 46°, low 37°.
0
Boulder Hill, Sunday, 22 November
Partly cloudy. High 47°, low 34°.
0.01Boulder Hill, Monday, 23 November
Light rain. High 62°, low 43°.
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.
0.07Boulder Hill, Sunday, 29 November
Climate normal for this date — 60-year average.
0.08Boulder Hill, Monday, 30 November
Climate normal for this date — 60-year average.
0.15Boulder Hill, Tuesday, 1 December
Climate normal for this date — 60-year average.
0.06Boulder Hill, Wednesday, 2 December
Climate normal for this date — 60-year average.
0.08Boulder Hill, Thursday, 3 December
Climate normal for this date — 60-year average.
0.06Boulder Hill, Friday, 4 December
Climate normal for this date — 60-year average.
0.07Boulder Hill, Saturday, 5 December
Climate normal for this date — 60-year average.
0.06Boulder Hill, Sunday, 6 December
Climate normal for this date — 60-year average.
0.12Boulder Hill, Monday, 7 December
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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