Weather in Porterfield, IL
Porterfield, Tuesday, 27 October, 08:30
Overcast. Feels like 50°. High 71°, low 51°.
Monthly outlook for Porterfield, IL: average high 60.4°, average low 49.1°. That is 3° above the climate normal for October. Precipitation is expected on 4 days (about 1.7 inches), against a normal of 4 days and 1.5 inches. The warmest day looks like 28 October (77.2°), the coolest 11 November (30.5°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 27 October – 5 November | 65.8° | 56.5° | +5.2° |
| 6 November – 15 November | 51.3° | 51° | +0.1° |
| 16 November – 25 November | at normal | 47.4° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Toluca (6 mi).
0Porterfield, Wednesday, 28 October
Overcast. High 77°, low 55°.
0Porterfield, Thursday, 29 October
Overcast. High 69°, low 54°.
0Porterfield, Friday, 30 October
Overcast. High 68°, low 46°.
0.21
Porterfield, Saturday, 31 October
Rain. High 70°, low 58°.
0
Porterfield, Sunday, 1 November
Partly cloudy. High 71°, low 52°.
0.02Porterfield, Monday, 2 November
Light rain. High 62°, low 57°.
0Porterfield, Tuesday, 3 November
Overcast. High 60°, low 56°.
0.2Porterfield, Wednesday, 4 November
Rain. High 55°, low 52°.
0.83Porterfield, Thursday, 5 November
Rain. High 55°, low 53°.
0.03Porterfield, Friday, 6 November
Light rain. High 52°, low 48°.
0Porterfield, Saturday, 7 November
Partly cloudy. High 55°, low 42°.
0Porterfield, Sunday, 8 November
Overcast. High 59°, low 42°.
0.39Porterfield, Monday, 9 November
Rain. High 53°, low 49°.
0Porterfield, Tuesday, 10 November
Overcast. High 46°, low 38°.
0Porterfield, Wednesday, 11 November
Overcast. High 43°, low 30°.
0.07Porterfield, Thursday, 12 November
Climate normal for this date — 60-year average.
0.06
Porterfield, Friday, 13 November
Climate normal for this date — 60-year average.
0.07Porterfield, Saturday, 14 November
Climate normal for this date — 60-year average.
0.08Porterfield, Sunday, 15 November
Climate normal for this date — 60-year average.
0.06Porterfield, Monday, 16 November
Climate normal for this date — 60-year average.
0.11Porterfield, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.12Porterfield, Wednesday, 18 November
Climate normal for this date — 60-year average.
0.07Porterfield, Thursday, 19 November
Climate normal for this date — 60-year average.
0.09Porterfield, Friday, 20 November
Climate normal for this date — 60-year average.
0.1Porterfield, Saturday, 21 November
Climate normal for this date — 60-year average.
0.04Porterfield, Sunday, 22 November
Climate normal for this date — 60-year average.
0.07Porterfield, Monday, 23 November
Climate normal for this date — 60-year average.
0.08Porterfield, Tuesday, 24 November
Climate normal for this date — 60-year average.
0.07Porterfield, Wednesday, 25 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 Porterfield, 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 Porterfield, 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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