Weather in Hamilton, IL
Hamilton, Thursday, 8 October, 14:18
Clear. Feels like 77°. High 78°, low 51°.
Monthly outlook for Hamilton, IL: average high 74.5°, average low 55.2°. That is 5.4° above the climate normal for October. Precipitation is expected on 6 days (about 1.1 inches), against a normal of 4 days and 1.5 inches. The warmest day looks like 15 October (89.1°), the coolest 23 October (43.2°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 8 October – 17 October | 78.3° | 66° | +6.8° |
| 18 October – 27 October | 68.2° | 61.4° | +3.8° |
| 28 October – 6 November | at normal | 57.1° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Wayland (11 mi).
0.04
Hamilton, Friday, 9 October
Rain. High 84°, low 55°.
0
Hamilton, Saturday, 10 October
Overcast. High 79°, low 63°.
0Hamilton, Sunday, 11 October
Clear. High 78°, low 57°.
0Hamilton, Monday, 12 October
Overcast. High 84°, low 65°.
0.3Hamilton, Tuesday, 13 October
Rain. High 80°, low 66°.
0.22Hamilton, Wednesday, 14 October
Light rain. High 83°, low 61°.
0.21Hamilton, Thursday, 15 October
Rain. High 89°, low 71°.
0.05Hamilton, Friday, 16 October
Light rain. High 69°, low 51°.
0Hamilton, Saturday, 17 October
Overcast. High 58°, low 44°.
0Hamilton, Sunday, 18 October
Overcast. High 60°, low 44°.
0Hamilton, Monday, 19 October
Overcast. High 76°, low 52°.
0
Hamilton, Tuesday, 20 October
Partly cloudy. High 77°, low 56°.
0Hamilton, Wednesday, 21 October
Clear. High 74°, low 54°.
0.26Hamilton, Thursday, 22 October
Rain. High 62°, low 51°.
0Hamilton, Friday, 23 October
Clear. High 62°, low 43°.
0.14Hamilton, Saturday, 24 October
Climate normal for this date — 60-year average.
0.09Hamilton, Sunday, 25 October
Climate normal for this date — 60-year average.
0.09Hamilton, Monday, 26 October
Climate normal for this date — 60-year average.
0.08Hamilton, Tuesday, 27 October
Climate normal for this date — 60-year average.
0.05Hamilton, Wednesday, 28 October
Climate normal for this date — 60-year average.
0.06Hamilton, Thursday, 29 October
Climate normal for this date — 60-year average.
0.11
Hamilton, Friday, 30 October
Climate normal for this date — 60-year average.
0.17Hamilton, Saturday, 31 October
Climate normal for this date — 60-year average.
0.18Hamilton, Sunday, 1 November
Climate normal for this date — 60-year average.
0.09Hamilton, Monday, 2 November
Climate normal for this date — 60-year average.
0.11Hamilton, Tuesday, 3 November
Climate normal for this date — 60-year average.
0.1Hamilton, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.1Hamilton, Thursday, 5 November
Climate normal for this date — 60-year average.
0.08Hamilton, Friday, 6 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 Hamilton, 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 Hamilton, 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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