Weather in Des Plaines, IL
Des Plaines, Monday, 12 October, 02:38
Overcast. Feels like 64°. High 85°, low 62°.
Monthly outlook for Des Plaines, IL: average high 63.4°, average low 51.2°. That is 2.5° above the climate normal for October. Precipitation is expected on 6 days (about 2.4 inches), against a normal of 5 days and 1.8 inches. The warmest day looks like 13 October (84.9°), the coolest 24 October (38.4°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 12 October – 21 October | 69.5° | 60.1° | +5.2° |
| 22 October – 31 October | 53.3° | 56.5° | -1.8° |
| 1 November – 10 November | at normal | 52.1° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Park Ridge (3 mi).
0
Des Plaines, Tuesday, 13 October
Clear. High 85°, low 65°.
0.1
Des Plaines, Wednesday, 14 October
Rain. High 68°, low 59°.
0.2Des Plaines, Thursday, 15 October
Light rain. High 62°, low 59°.
0.07Des Plaines, Friday, 16 October
Light rain. High 58°, low 47°.
0Des Plaines, Saturday, 17 October
Clear. High 57°, low 40°.
0Des Plaines, Sunday, 18 October
Clear. High 61°, low 43°.
0Des Plaines, Monday, 19 October
Overcast. High 68°, low 50°.
0Des Plaines, Tuesday, 20 October
Overcast. High 73°, low 57°.
0.19Des Plaines, Wednesday, 21 October
Rain. High 78°, low 63°.
1.1Des Plaines, Thursday, 22 October
Rain. High 67°, low 53°.
0Des Plaines, Friday, 23 October
Overcast. High 50°, low 44°.
0
Des Plaines, Saturday, 24 October
Mostly clear. High 52°, low 38°.
0.7Des Plaines, Sunday, 25 October
Rain. High 48°, low 47°.
0.02Des Plaines, Monday, 26 October
Light rain. High 55°, low 47°.
0Des Plaines, Tuesday, 27 October
Overcast. High 49°, low 46°.
0.05
Des Plaines, Wednesday, 28 October
Climate normal for this date — 60-year average.
0.06Des Plaines, Thursday, 29 October
Climate normal for this date — 60-year average.
0.11Des Plaines, Friday, 30 October
Climate normal for this date — 60-year average.
0.14
Des Plaines, Saturday, 31 October
Climate normal for this date — 60-year average.
0.16Des Plaines, Sunday, 1 November
Climate normal for this date — 60-year average.
0.12Des Plaines, Monday, 2 November
Climate normal for this date — 60-year average.
0.06Des Plaines, Tuesday, 3 November
Climate normal for this date — 60-year average.
0.09Des Plaines, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.13Des Plaines, Thursday, 5 November
Climate normal for this date — 60-year average.
0.07Des Plaines, Friday, 6 November
Climate normal for this date — 60-year average.
0.05Des Plaines, Saturday, 7 November
Climate normal for this date — 60-year average.
0.05Des Plaines, Sunday, 8 November
Climate normal for this date — 60-year average.
0.12Des Plaines, Monday, 9 November
Climate normal for this date — 60-year average.
0.11Des Plaines, Tuesday, 10 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 Des Plaines, 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 Des Plaines, 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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