Weather in Boulder Hill, IL
Boulder Hill, Monday, 26 October, 21:13
Clear. Feels like 53°. High 64°, low 51°.
Monthly outlook for Boulder Hill, IL: average high 57.2°, average low 45.2°. That is 1.8° above the climate normal for October. Precipitation is expected on 7 days (about 3.1 inches), against a normal of 4 days and 1.5 inches. The warmest day looks like 28 October (74.1°), the coolest 7 November (28.1°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 26 October – 4 November | 65.4° | 55.4° | +5.6° |
| 5 November – 14 November | 43.6° | 50° | -3.5° |
| 15 November – 24 November | at normal | 46.1° | — |
October records over 66 years
0
Boulder Hill, Tuesday, 27 October
Overcast. High 69°, low 49°.
0
Boulder Hill, Wednesday, 28 October
Clear. High 74°, low 51°.
0.14
Boulder Hill, Thursday, 29 October
Rain. High 68°, low 55°.
0Boulder Hill, Friday, 30 October
Overcast. High 65°, low 45°.
0.27Boulder Hill, Saturday, 31 October
Rain. High 66°, low 54°.
0.03Boulder Hill, Sunday, 1 November
Light rain. High 62°, low 53°.
0.03Boulder Hill, Monday, 2 November
Light rain. High 61°, low 52°.
0.76Boulder Hill, Tuesday, 3 November
Rain. High 62°, low 58°.
0.91Boulder Hill, Wednesday, 4 November
Rain. High 62°, low 50°.
0.13
Boulder Hill, Thursday, 5 November
Snow. High 49°, low 35°.
0.04Boulder Hill, Friday, 6 November
Light snow. High 38°, low 31°.
0
Boulder Hill, Saturday, 7 November
Mostly clear. High 39°, low 28°.
0.02Boulder Hill, Sunday, 8 November
Light rain. High 42°, low 29°.
0.78Boulder Hill, Monday, 9 November
Rain. High 48°, low 42°.
0Boulder Hill, Tuesday, 10 November
Overcast. High 46°, low 40°.
0.06
Boulder 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.
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.
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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