Weather in Chemung, IL
Chemung, Tuesday, 20 October, 04:23
Partly cloudy. Feels like 47°. High 70°, low 44°.
Monthly outlook for Chemung, IL: average high 57.3°, average low 38.2°. That is 1.6° above the climate normal for October. Precipitation is expected on 1 day (about 0.3 inches), against a normal of 5 days and 1.4 inches. The warmest day looks like 21 October (71.4°), the coolest 28 October (23.4°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 20 October – 29 October | 61.3° | 55.7° | +3.1° |
| 30 October – 8 November | 50.8° | 51.3° | -0.3° |
| 9 November – 18 November | at normal | 45.6° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Darien (13 mi).
0
Chemung, Wednesday, 21 October
Clear. High 71°, low 42°.
0Chemung, Thursday, 22 October
Clear. High 69°, low 48°.
0
Chemung, Friday, 23 October
Partly cloudy. High 66°, low 51°.
0
Chemung, Saturday, 24 October
Overcast. High 66°, low 47°.
0
Chemung, Sunday, 25 October
Mostly clear. High 70°, low 53°.
0.3
Chemung, Monday, 26 October
Rain. High 62°, low 41°.
0Chemung, Tuesday, 27 October
Mostly clear. High 48°, low 32°.
0Chemung, Wednesday, 28 October
Clear. High 39°, low 23°.
0Chemung, Thursday, 29 October
Clear. High 50°, low 27°.
0Chemung, Friday, 30 October
Overcast. High 51°, low 35°.
0Chemung, Saturday, 31 October
Clear. High 50°, low 34°.
0Chemung, Sunday, 1 November
Partly cloudy. High 48°, low 31°.
0Chemung, Monday, 2 November
Mostly clear. High 50°, low 31°.
0Chemung, Tuesday, 3 November
Partly cloudy. High 51°, low 33°.
0Chemung, Wednesday, 4 November
Overcast. High 55°, low 39°.
0.11Chemung, Thursday, 5 November
Climate normal for this date — 60-year average.
0.09Chemung, Friday, 6 November
Climate normal for this date — 60-year average.
0.03Chemung, Saturday, 7 November
Climate normal for this date — 60-year average.
0.04Chemung, Sunday, 8 November
Climate normal for this date — 60-year average.
0.11Chemung, Monday, 9 November
Climate normal for this date — 60-year average.
0.1
Chemung, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.06Chemung, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.06Chemung, Thursday, 12 November
Climate normal for this date — 60-year average.
0.04Chemung, Friday, 13 November
Climate normal for this date — 60-year average.
0.06Chemung, Saturday, 14 November
Climate normal for this date — 60-year average.
0.07Chemung, Sunday, 15 November
Climate normal for this date — 60-year average.
0.05Chemung, Monday, 16 November
Climate normal for this date — 60-year average.
0.1Chemung, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.09Chemung, Wednesday, 18 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 Chemung, 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 Chemung, 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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