Weather in Portage, IL
Portage, Tuesday, 27 October, 02:08
Overcast. Feels like 50°. High 67°, low 50°.
Monthly outlook for Portage, IL: average high 55.5°, average low 43.8°. That is 2.6° above the climate normal for October. Precipitation is expected on 9 days (about 3.1 inches), against a normal of 4 days and 1.4 inches. The warmest day looks like 28 October (76°), the coolest 7 November (26.6°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 27 October – 5 November | 62.5° | 52.4° | +5.6° |
| 6 November – 15 November | 43.9° | 46.6° | -1.5° |
| 16 November – 25 November | at normal | 42.9° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Benton (13 mi).
0
Portage, Wednesday, 28 October
Mostly clear. High 76°, low 52°.
0.17
Portage, Thursday, 29 October
Rain. High 67°, low 49°.
0.2Portage, Friday, 30 October
Rain. High 62°, low 45°.
0.33Portage, Saturday, 31 October
Rain. High 64°, low 54°.
0.1Portage, Sunday, 1 November
Light rain. High 64°, low 55°.
0.11Portage, Monday, 2 November
Light rain. High 57°, low 51°.
1.22Portage, Tuesday, 3 November
Heavy rain. High 61°, low 54°.
0.74Portage, Wednesday, 4 November
Rain. High 60°, low 51°.
0.14
Portage, Thursday, 5 November
Snow. High 49°, low 35°.
0.01Portage, Friday, 6 November
Light snow. High 37°, low 31°.
0
Portage, Saturday, 7 November
Clear. High 41°, low 27°.
0.01Portage, Sunday, 8 November
Light rain. High 43°, low 29°.
0.09Portage, Monday, 9 November
Light rain. High 54°, low 45°.
0Portage, Tuesday, 10 November
Overcast. High 47°, low 40°.
0Portage, Wednesday, 11 November
Overcast. High 41°, low 35°.
0.06
Portage, 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.
0.1Portage, 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.
0.06Portage, 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 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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