Weather in Boulder Hill, IL
Boulder Hill, Friday, 13 November, 22:42
Clear. Feels like 32°. High 43°, low 32°.
Monthly outlook for Boulder Hill, IL: average high 46.9°, average low 32.8°. That is 0.8° above the climate normal for November. Precipitation is expected on 4 days (about 0.9 inches), against a normal of 5 days and 1.5 inches. The warmest day looks like 21 November (64°), the coolest 24 November (20°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 13 November – 22 November | 53.4° | 46.8° | +3.6° |
| 23 November – 2 December | 36.1° | 41.8° | -3.2° |
| 3 December – 12 December | at normal | 36.7° | — |
November records over 66 years
0
Boulder Hill, Saturday, 14 November
Clear. High 47°, low 30°.
0Boulder Hill, Sunday, 15 November
Clear. High 48°, low 31°.
0Boulder Hill, Monday, 16 November
Clear. High 50°, low 29°.
0Boulder Hill, Tuesday, 17 November
Clear. High 53°, low 32°.
0
Boulder Hill, Wednesday, 18 November
Overcast. High 56°, low 37°.
0.01
Boulder Hill, Thursday, 19 November
Light rain. High 59°, low 46°.
0Boulder Hill, Friday, 20 November
Overcast. High 60°, low 51°.
0.06Boulder Hill, Saturday, 21 November
Light rain. High 64°, low 53°.
0.11
Boulder Hill, Sunday, 22 November
Snow. High 55°, low 27°.
0Boulder Hill, Monday, 23 November
Light snow. High 28°, low 22°.
0Boulder Hill, Tuesday, 24 November
Clear. High 30°, low 20°.
0Boulder Hill, Wednesday, 25 November
Overcast. High 35°, low 23°.
0Boulder Hill, Thursday, 26 November
Overcast. High 34°, low 27°.
0.15Boulder Hill, Friday, 27 November
Light rain. High 40°, low 28°.
0.55Boulder Hill, Saturday, 28 November
Snow. High 49°, low 35°.
0.07
Boulder 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.
0.15
Boulder 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.
0.07Boulder Hill, Tuesday, 8 December
Climate normal for this date — 60-year average.
0.08Boulder Hill, Wednesday, 9 December
Climate normal for this date — 60-year average.
0.09Boulder Hill, Thursday, 10 December
Climate normal for this date — 60-year average.
0.1Boulder Hill, Friday, 11 December
Climate normal for this date — 60-year average.
0.09Boulder Hill, Saturday, 12 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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