Weather in Riverton, IL
Riverton, Tuesday, 13 October, 16:42
Partly cloudy. Feels like 96°. High 91°, low 68°.
Monthly outlook for Riverton, IL: average high 67.6°, average low 53.5°. That is 2.7° above the climate normal for October. Precipitation is expected on 5 days (about 2.4 inches), against a normal of 4 days and 1.7 inches. The warmest day looks like 13 October (90.9°), the coolest 28 October (37.9°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 13 October – 22 October | 71° | 64.1° | +3.9° |
| 23 October – 1 November | 61.8° | 60.3° | +0.8° |
| 2 November – 11 November | at normal | 55.4° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Springfield (8 mi).
0.1
Riverton, Wednesday, 14 October
Rain. High 80°, low 66°.
0.67Riverton, Thursday, 15 October
Heavy rain. High 80°, low 62°.
0.03Riverton, Friday, 16 October
Light rain. High 63°, low 49°.
0
Riverton, Saturday, 17 October
Clear. High 57°, low 39°.
0Riverton, Sunday, 18 October
Clear. High 63°, low 44°.
0
Riverton, Monday, 19 October
Overcast. High 58°, low 51°.
0.01Riverton, Tuesday, 20 October
Light rain. High 71°, low 55°.
0.01Riverton, Wednesday, 21 October
Light rain. High 68°, low 61°.
0Riverton, Thursday, 22 October
Overcast. High 79°, low 59°.
0.19Riverton, Friday, 23 October
Rain. High 72°, low 60°.
0Riverton, Saturday, 24 October
Clear. High 72°, low 53°.
0Riverton, Sunday, 25 October
Overcast. High 62°, low 52°.
0.03Riverton, Monday, 26 October
Light rain. High 61°, low 55°.
1.34Riverton, Tuesday, 27 October
Heavy rain. High 52°, low 46°.
0Riverton, Wednesday, 28 October
Partly cloudy. High 52°, low 38°.
0.08Riverton, Thursday, 29 October
Climate normal for this date — 60-year average.
0.11
Riverton, Friday, 30 October
Climate normal for this date — 60-year average.
0.17Riverton, Saturday, 31 October
Climate normal for this date — 60-year average.
0.21Riverton, Sunday, 1 November
Climate normal for this date — 60-year average.
0.09Riverton, Monday, 2 November
Climate normal for this date — 60-year average.
0.12Riverton, Tuesday, 3 November
Climate normal for this date — 60-year average.
0.11Riverton, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.16Riverton, Thursday, 5 November
Climate normal for this date — 60-year average.
0.08Riverton, Friday, 6 November
Climate normal for this date — 60-year average.
0.07Riverton, Saturday, 7 November
Climate normal for this date — 60-year average.
0.04
Riverton, Sunday, 8 November
Climate normal for this date — 60-year average.
0.11Riverton, Monday, 9 November
Climate normal for this date — 60-year average.
0.15Riverton, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.09Riverton, 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 Riverton, 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 Riverton, 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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