Weather in Pecatonica, IL
Pecatonica, Monday, 19 October, 05:06
Clear. Feels like 39°. High 67°, low 39°.
Monthly outlook for Pecatonica, IL: average high 59.9°, average low 42.2°. That is 2.3° above the climate normal for October. Precipitation is expected on 2 days (about 0.6 inches), against a normal of 5 days and 1.5 inches. The warmest day looks like 22 October (68.1°), the coolest 29 October (26.9°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 19 October – 28 October | 63.4° | 57° | +3.6° |
| 29 October – 7 November | 54.2° | 52.8° | +0.8° |
| 8 November – 17 November | at normal | 46.9° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Rockford (15 mi).
0
Pecatonica, Tuesday, 20 October
Clear. High 67°, low 41°.
0Pecatonica, Wednesday, 21 October
Clear. High 68°, low 43°.
0Pecatonica, Thursday, 22 October
Clear. High 68°, low 46°.
0
Pecatonica, Friday, 23 October
Mostly clear. High 67°, low 50°.
0
Pecatonica, Saturday, 24 October
Partly cloudy. High 65°, low 50°.
0.03
Pecatonica, Sunday, 25 October
Light rain. High 64°, low 51°.
0Pecatonica, Monday, 26 October
Partly cloudy. High 66°, low 47°.
0.41Pecatonica, Tuesday, 27 October
Rain. High 60°, low 41°.
0Pecatonica, Wednesday, 28 October
Clear. High 42°, low 31°.
0Pecatonica, Thursday, 29 October
Partly cloudy. High 44°, low 27°.
0Pecatonica, Friday, 30 October
Clear. High 47°, low 28°.
0
Pecatonica, Saturday, 31 October
Overcast. High 49°, low 32°.
0Pecatonica, Sunday, 1 November
Overcast. High 60°, low 43°.
0.03Pecatonica, Monday, 2 November
Light rain. High 63°, low 50°.
0.11Pecatonica, Tuesday, 3 November
Light rain. High 62°, low 53°.
0.09Pecatonica, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.11Pecatonica, Thursday, 5 November
Climate normal for this date — 60-year average.
0.09Pecatonica, Friday, 6 November
Climate normal for this date — 60-year average.
0.03Pecatonica, Saturday, 7 November
Climate normal for this date — 60-year average.
0.05Pecatonica, Sunday, 8 November
Climate normal for this date — 60-year average.
0.11Pecatonica, Monday, 9 November
Climate normal for this date — 60-year average.
0.11Pecatonica, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.06Pecatonica, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.07Pecatonica, Thursday, 12 November
Climate normal for this date — 60-year average.
0.04Pecatonica, Friday, 13 November
Climate normal for this date — 60-year average.
0.06Pecatonica, Saturday, 14 November
Climate normal for this date — 60-year average.
0.07Pecatonica, Sunday, 15 November
Climate normal for this date — 60-year average.
0.05Pecatonica, Monday, 16 November
Climate normal for this date — 60-year average.
0.11Pecatonica, Tuesday, 17 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 Pecatonica, 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 Pecatonica, 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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