Weather in Jerseyville, IL
Jerseyville, Saturday, 31 October, 22:55
Overcast. Feels like 61°. High 68°, low 57°.
Monthly outlook for Jerseyville, IL: average high 60.9°, average low 48.7°. That is 2.9° above the climate normal for October. Precipitation is expected on 2 days (about 0.8 inches), against a normal of 5 days and 1.8 inches. The warmest day looks like 3 November (72.9°), the coolest 11 November (36.6°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 31 October – 9 November | 63° | 57.5° | +3.1° |
| 10 November – 19 November | 57.5° | 52.7° | +2.6° |
| 20 November – 29 November | at normal | 48.6° | — |
October records over 66 years
0.02
Jerseyville, Sunday, 1 November
Light rain. High 68°, low 59°.
0.01Jerseyville, Monday, 2 November
Light rain. High 70°, low 60°.
0.43Jerseyville, Tuesday, 3 November
Rain. High 73°, low 66°.
0.31Jerseyville, Wednesday, 4 November
Rain. High 64°, low 57°.
0Jerseyville, Thursday, 5 November
Overcast. High 59°, low 50°.
0Jerseyville, Friday, 6 November
Overcast. High 56°, low 49°.
0
Jerseyville, Saturday, 7 November
Partly cloudy. High 62°, low 45°.
0
Jerseyville, Sunday, 8 November
Clear. High 55°, low 44°.
0Jerseyville, Monday, 9 November
Clear. High 55°, low 37°.
0Jerseyville, Tuesday, 10 November
Overcast. High 58°, low 42°.
0Jerseyville, Wednesday, 11 November
Overcast. High 55°, low 37°.
0Jerseyville, Thursday, 12 November
Overcast. High 54°, low 45°.
0Jerseyville, Friday, 13 November
Overcast. High 65°, low 49°.
0
Jerseyville, Saturday, 14 November
Mostly clear. High 58°, low 44°.
0Jerseyville, Sunday, 15 November
Clear. High 55°, low 38°.
0.1Jerseyville, Monday, 16 November
Climate normal for this date — 60-year average.
0.13Jerseyville, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.16
Jerseyville, Wednesday, 18 November
Climate normal for this date — 60-year average.
0.09Jerseyville, Thursday, 19 November
Climate normal for this date — 60-year average.
0.11Jerseyville, Friday, 20 November
Climate normal for this date — 60-year average.
0.1Jerseyville, Saturday, 21 November
Climate normal for this date — 60-year average.
0.08Jerseyville, Sunday, 22 November
Climate normal for this date — 60-year average.
0.09Jerseyville, Monday, 23 November
Climate normal for this date — 60-year average.
0.13Jerseyville, Tuesday, 24 November
Climate normal for this date — 60-year average.
0.13Jerseyville, Wednesday, 25 November
Climate normal for this date — 60-year average.
0.15Jerseyville, Thursday, 26 November
Climate normal for this date — 60-year average.
0.21Jerseyville, Friday, 27 November
Climate normal for this date — 60-year average.
0.09Jerseyville, Saturday, 28 November
Climate normal for this date — 60-year average.
0.07Jerseyville, Sunday, 29 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 Jerseyville, 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 Jerseyville, 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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