Weather in Riverside, IL
Riverside, Monday, 12 October, 04:20
Overcast. Feels like 64°. High 85°, low 62°.
Monthly outlook for Riverside, IL: average high 67.4°, average low 54.3°. That is 4.3° above the climate normal for October. Precipitation is expected on 4 days (about 2.1 inches), against a normal of 5 days and 1.8 inches. The warmest day looks like 12 October (84.5°), the coolest 17 October (40.9°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 12 October – 21 October | 68.3° | 60.7° | +4.2° |
| 22 October – 31 October | 65.8° | 57.1° | +4.8° |
| 1 November – 10 November | at normal | 52.6° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Berwyn (2 mi).
0
Riverside, Tuesday, 13 October
Clear. High 84°, low 67°.
0.14
Riverside, Wednesday, 14 October
Rain. High 68°, low 59°.
1.34Riverside, Thursday, 15 October
Heavy rain. High 58°, low 56°.
0Riverside, Friday, 16 October
Overcast. High 57°, low 47°.
0Riverside, Saturday, 17 October
Clear. High 58°, low 41°.
0Riverside, Sunday, 18 October
Clear. High 61°, low 43°.
0Riverside, Monday, 19 October
Overcast. High 69°, low 50°.
0Riverside, Tuesday, 20 October
Overcast. High 69°, low 60°.
0Riverside, Wednesday, 21 October
Clear. High 75°, low 58°.
0
Riverside, Thursday, 22 October
Mostly clear. High 75°, low 60°.
0.22Riverside, Friday, 23 October
Rain. High 69°, low 59°.
0Riverside, Saturday, 24 October
Clear. High 62°, low 52°.
0.42Riverside, Sunday, 25 October
Rain. High 65°, low 54°.
0.01Riverside, Monday, 26 October
Light rain. High 58°, low 53°.
0Riverside, Tuesday, 27 October
Clear. High 65°, low 49°.
0.06
Riverside, Wednesday, 28 October
Climate normal for this date — 60-year average.
0.06Riverside, Thursday, 29 October
Climate normal for this date — 60-year average.
0.12Riverside, Friday, 30 October
Climate normal for this date — 60-year average.
0.13
Riverside, Saturday, 31 October
Climate normal for this date — 60-year average.
0.18Riverside, Sunday, 1 November
Climate normal for this date — 60-year average.
0.12Riverside, Monday, 2 November
Climate normal for this date — 60-year average.
0.07Riverside, Tuesday, 3 November
Climate normal for this date — 60-year average.
0.09Riverside, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.12Riverside, Thursday, 5 November
Climate normal for this date — 60-year average.
0.07Riverside, Friday, 6 November
Climate normal for this date — 60-year average.
0.06Riverside, Saturday, 7 November
Climate normal for this date — 60-year average.
0.06Riverside, Sunday, 8 November
Climate normal for this date — 60-year average.
0.13Riverside, Monday, 9 November
Climate normal for this date — 60-year average.
0.13Riverside, 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 Riverside, 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 Riverside, 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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