Weather in Portage, IL
Portage, Monday, 26 October, 03:26
Overcast. Feels like 52°. High 66°, low 52°.
Monthly outlook for Portage, IL: average high 59.5°, average low 45.7°. That is 4.6° above the climate normal for October. Precipitation is expected on 5 days (about 0.5 inches), against a normal of 4 days and 1.5 inches. The warmest day looks like 28 October (71.3°), the coolest 9 November (31°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 26 October – 4 November | 63.3° | 52.8° | +5.8° |
| 5 November – 14 November | 53.2° | 47.1° | +3.4° |
| 15 November – 24 November | at normal | 43.4° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Benton (13 mi).
0
Portage, Tuesday, 27 October
Light rain. High 69°, low 49°.
0
Portage, Wednesday, 28 October
Partly cloudy. High 71°, low 59°.
0.05Portage, Thursday, 29 October
Light rain. High 67°, low 54°.
0Portage, Friday, 30 October
Overcast. High 66°, low 46°.
0.14Portage, Saturday, 31 October
Light rain. High 64°, low 52°.
0Portage, Sunday, 1 November
Overcast. High 63°, low 51°.
0Portage, Monday, 2 November
Overcast. High 60°, low 51°.
0Portage, Tuesday, 3 November
Overcast. High 56°, low 46°.
0Portage, Wednesday, 4 November
Overcast. High 49°, low 39°.
0Portage, Thursday, 5 November
Overcast. High 48°, low 33°.
0.05Portage, Friday, 6 November
Light rain. High 52°, low 35°.
0.17Portage, Saturday, 7 November
Light rain. High 55°, low 48°.
0.07Portage, Sunday, 8 November
Light rain. High 55°, low 36°.
0Portage, Monday, 9 November
Partly cloudy. High 47°, low 31°.
0Portage, Tuesday, 10 November
Overcast. High 61°, low 49°.
0.08Portage, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.06Portage, Thursday, 12 November
Climate normal for this date — 60-year average.
0.05Portage, Friday, 13 November
Climate normal for this date — 60-year average.
0.04Portage, Saturday, 14 November
Climate normal for this date — 60-year average.
0.05Portage, Sunday, 15 November
Climate normal for this date — 60-year average.
0.06Portage, Monday, 16 November
Climate normal for this date — 60-year average.
0.1
Portage, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.09Portage, Wednesday, 18 November
Climate normal for this date — 60-year average.
0.06Portage, Thursday, 19 November
Climate normal for this date — 60-year average.
0.09Portage, Friday, 20 November
Climate normal for this date — 60-year average.
0.09Portage, Saturday, 21 November
Climate normal for this date — 60-year average.
0.03Portage, Sunday, 22 November
Climate normal for this date — 60-year average.
0.1Portage, Monday, 23 November
Climate normal for this date — 60-year average.
0.06Portage, 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 Portage, 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 Portage, 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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