Weather in North Northfield, IL
North Northfield, Saturday, 8 August, 23:17
Clear. Feels like 68°. High 83°, low 67°.
Monthly outlook for North Northfield, IL: average high 79°, average low 65.1°. That is 0.6° above the climate normal for August. Precipitation is expected on 3 days (about 2.8 inches), against a normal of 6 days and 1.8 inches. The warmest day looks like 10 August (86°), the coolest 20 August (57.1°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 8 August – 17 August | 80.7° | 78.1° | +1.4° |
| 18 August – 27 August | 76° | 77.8° | -1° |
| 28 August – 6 September | at normal | 76.4° | — |
August records over 66 years
Climate normals and records are computed from the nearest reference point — Highwood (6 mi).
1.22
North Northfield, Sunday, 9 August
Heavy rain. High 85°, low 64°.
0.96North Northfield, Monday, 10 August
Heavy rain. High 86°, low 71°.
0.54North Northfield, Tuesday, 11 August
Heavy rain. High 85°, low 70°.
0
North Northfield, Wednesday, 12 August
Overcast. High 82°, low 69°.
0North Northfield, Thursday, 13 August
Overcast. High 72°, low 66°.
0
North Northfield, Friday, 14 August
Clear. High 78°, low 62°.
0North Northfield, Saturday, 15 August
Overcast. High 77°, low 66°.
0North Northfield, Sunday, 16 August
Overcast. High 77°, low 65°.
0.01North Northfield, Monday, 17 August
Light rain. High 82°, low 66°.
0North Northfield, Tuesday, 18 August
Overcast. High 86°, low 69°.
0.01North Northfield, Wednesday, 19 August
Light rain. High 76°, low 64°.
0North Northfield, Thursday, 20 August
Overcast. High 69°, low 57°.
0North Northfield, Friday, 21 August
Clear. High 74°, low 57°.
0.02North Northfield, Saturday, 22 August
Light rain. High 69°, low 62°.
0North Northfield, Sunday, 23 August
Clear. High 83°, low 66°.
0.11
North Northfield, Monday, 24 August
Climate normal for this date — 60-year average.
0.07North Northfield, Tuesday, 25 August
Climate normal for this date — 60-year average.
0.14
North Northfield, Wednesday, 26 August
Climate normal for this date — 60-year average.
0.1North Northfield, Thursday, 27 August
Climate normal for this date — 60-year average.
0.12North Northfield, Friday, 28 August
Climate normal for this date — 60-year average.
0.13North Northfield, Saturday, 29 August
Climate normal for this date — 60-year average.
0.09North Northfield, Sunday, 30 August
Climate normal for this date — 60-year average.
0.06North Northfield, Monday, 31 August
Climate normal for this date — 60-year average.
0.1North Northfield, Tuesday, 1 September
Climate normal for this date — 60-year average.
0.04North Northfield, Wednesday, 2 September
Climate normal for this date — 60-year average.
0.09North Northfield, Thursday, 3 September
Climate normal for this date — 60-year average.
0.08North Northfield, Friday, 4 September
Climate normal for this date — 60-year average.
0.08North Northfield, Saturday, 5 September
Climate normal for this date — 60-year average.
0.09North Northfield, Sunday, 6 September
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 North 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 North 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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