Weather in Northfield, IL
Northfield, Saturday, 17 October, 18:26
Clear. Feels like 51°. High 56°, low 36°.
Monthly outlook for Northfield, IL: average high 64.1°, average low 50.4°. That is 4.4° above the climate normal for October. Precipitation is expected on 4 days (about 2.4 inches), against a normal of 5 days and 1.6 inches. The warmest day looks like 25 October (74°), the coolest 17 October (35.6°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 17 October – 26 October | 65.6° | 57.2° | +4.6° |
| 27 October – 5 November | 61.6° | 53.5° | +4.5° |
| 6 November – 15 November | at normal | 48.3° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Skokie (5 mi).
0
Northfield, Sunday, 18 October
Clear. High 63°, low 44°.
0
Northfield, Monday, 19 October
Partly cloudy. High 63°, low 43°.
0
Northfield, Tuesday, 20 October
Mostly clear. High 64°, low 46°.
0Northfield, Wednesday, 21 October
Clear. High 66°, low 45°.
0Northfield, Thursday, 22 October
Clear. High 64°, low 50°.
0
Northfield, Friday, 23 October
Overcast. High 70°, low 54°.
0Northfield, Saturday, 24 October
Overcast. High 70°, low 60°.
0Northfield, Sunday, 25 October
Overcast. High 74°, low 62°.
0.46
Northfield, Monday, 26 October
Rain. High 67°, low 55°.
0Northfield, Tuesday, 27 October
Partly cloudy. High 53°, low 49°.
0Northfield, Wednesday, 28 October
Overcast. High 56°, low 47°.
0.31Northfield, Thursday, 29 October
Rain. High 57°, low 48°.
0.18Northfield, Friday, 30 October
Light rain. High 67°, low 58°.
1.47Northfield, Saturday, 31 October
Heavy rain. High 68°, low 57°.
0Northfield, Sunday, 1 November
Partly cloudy. High 68°, low 53°.
0.12
Northfield, Monday, 2 November
Climate normal for this date — 60-year average.
0.06Northfield, Tuesday, 3 November
Climate normal for this date — 60-year average.
0.09Northfield, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.12Northfield, Thursday, 5 November
Climate normal for this date — 60-year average.
0.07Northfield, Friday, 6 November
Climate normal for this date — 60-year average.
0.06Northfield, Saturday, 7 November
Climate normal for this date — 60-year average.
0.05Northfield, Sunday, 8 November
Climate normal for this date — 60-year average.
0.12Northfield, Monday, 9 November
Climate normal for this date — 60-year average.
0.11Northfield, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.08Northfield, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.06Northfield, Thursday, 12 November
Climate normal for this date — 60-year average.
0.05Northfield, Friday, 13 November
Climate normal for this date — 60-year average.
0.07Northfield, Saturday, 14 November
Climate normal for this date — 60-year average.
0.1Northfield, Sunday, 15 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 Northfield, 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 Northfield, 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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