Weather in Riverton, IL
Riverton, Sunday, 11 October, 08:34
Clear. Feels like 49°. High 80°, low 50°.
Monthly outlook for Riverton, IL: average high 72.4°, average low 53.5°. That is 4.8° above the climate normal for October. Precipitation is expected on 4 days (about 1.1 inches), against a normal of 5 days and 1.8 inches. The warmest day looks like 13 October (88.6°), the coolest 18 October (32.4°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 11 October – 20 October | 71.6° | 64.9° | +3.8° |
| 21 October – 30 October | 73.6° | 61.2° | +6.9° |
| 31 October – 9 November | at normal | 56.7° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Springfield (8 mi).
0
Riverton, Monday, 12 October
Overcast. High 87°, low 61°.
0Riverton, Tuesday, 13 October
Clear. High 89°, low 72°.
0.5
Riverton, Wednesday, 14 October
Rain. High 78°, low 70°.
0.22Riverton, Thursday, 15 October
Light rain. High 78°, low 64°.
0.21Riverton, Friday, 16 October
Rain. High 68°, low 50°.
0Riverton, Saturday, 17 October
Clear. High 47°, low 35°.
0Riverton, Sunday, 18 October
Clear. High 56°, low 32°.
0
Riverton, Monday, 19 October
Mostly clear. High 67°, low 41°.
0Riverton, Tuesday, 20 October
Overcast. High 69°, low 45°.
0Riverton, Wednesday, 21 October
Overcast. High 72°, low 51°.
0Riverton, Thursday, 22 October
Overcast. High 75°, low 54°.
0
Riverton, Friday, 23 October
Partly cloudy. High 79°, low 60°.
0Riverton, Saturday, 24 October
Mostly clear. High 77°, low 60°.
0.2Riverton, Sunday, 25 October
Rain. High 83°, low 62°.
0Riverton, Monday, 26 October
Overcast. High 55°, low 48°.
0.09Riverton, Tuesday, 27 October
Climate normal for this date — 60-year average.
0.05Riverton, Wednesday, 28 October
Climate normal for this date — 60-year average.
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.
0.04Riverton, Sunday, 8 November
Climate normal for this date — 60-year average.
0.11Riverton, Monday, 9 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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