Weather in Pecatonica, IL
Pecatonica, Tuesday, 13 October, 16:30
Partly cloudy. Feels like 77°. High 77°, low 65°.
Monthly outlook for Pecatonica, IL: average high 60.9°, average low 48°. That is 1.6° above the climate normal for October. Precipitation is expected on 3 days (about 1.6 inches), against a normal of 5 days and 1.5 inches. The warmest day looks like 13 October (77.2°), the coolest 28 October (32.3°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 13 October – 22 October | 64° | 59.3° | +2.6° |
| 23 October – 1 November | 55.8° | 55.5° | +0.1° |
| 2 November – 11 November | at normal | 50.3° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Rockford (15 mi).
0
Pecatonica, Wednesday, 14 October
Overcast. High 70°, low 57°.
1.06
Pecatonica, Thursday, 15 October
Heavy rain. High 60°, low 56°.
0.07Pecatonica, Friday, 16 October
Light rain. High 56°, low 44°.
0
Pecatonica, Saturday, 17 October
Clear. High 55°, low 35°.
0Pecatonica, Sunday, 18 October
Overcast. High 61°, low 43°.
0Pecatonica, Monday, 19 October
Overcast. High 62°, low 49°.
0Pecatonica, Tuesday, 20 October
Overcast. High 65°, low 47°.
0.03Pecatonica, Wednesday, 21 October
Light rain. High 65°, low 53°.
0.03Pecatonica, Thursday, 22 October
Light rain. High 70°, low 59°.
0.33Pecatonica, Friday, 23 October
Rain. High 67°, low 53°.
0Pecatonica, Saturday, 24 October
Clear. High 63°, low 46°.
0Pecatonica, Sunday, 25 October
Overcast. High 57°, low 45°.
0.04Pecatonica, Monday, 26 October
Light rain. High 53°, low 44°.
0Pecatonica, Tuesday, 27 October
Overcast. High 47°, low 39°.
0Pecatonica, Wednesday, 28 October
Overcast. High 46°, low 32°.
0.06Pecatonica, Thursday, 29 October
Climate normal for this date — 60-year average.
0.09Pecatonica, Friday, 30 October
Climate normal for this date — 60-year average.
0.1
Pecatonica, Saturday, 31 October
Climate normal for this date — 60-year average.
0.16Pecatonica, Sunday, 1 November
Climate normal for this date — 60-year average.
0.1Pecatonica, Monday, 2 November
Climate normal for this date — 60-year average.
0.06Pecatonica, Tuesday, 3 November
Climate normal for this date — 60-year average.
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.
0.03
Pecatonica, 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.
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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