Weather in Hartford, IL
Hartford, Wednesday, 28 October, 13:32
Clear. Feels like 77°. High 78°, low 51°.
Monthly outlook for Hartford, IL: average high 63.4°, average low 52.1°. That is 2.8° above the climate normal for October. Precipitation is expected on 7 days (about 3.3 inches), against a normal of 5 days and 1.8 inches. The warmest day looks like 29 October (78.4°), the coolest 9 November (41.5°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 28 October – 6 November | 69.2° | 59.8° | +5.2° |
| 7 November – 16 November | 53.6° | 54.8° | -0.7° |
| 17 November – 26 November | at normal | 51.6° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Edwardsville (6 mi).
0
Hartford, Thursday, 29 October
Mostly clear. High 78°, low 53°.
0
Hartford, Friday, 30 October
Overcast. High 76°, low 56°.
0.01
Hartford, Saturday, 31 October
Light rain. High 69°, low 60°.
0Hartford, Sunday, 1 November
Mostly clear. High 71°, low 59°.
0.04Hartford, Monday, 2 November
Light rain. High 70°, low 57°.
0.19Hartford, Tuesday, 3 November
Light rain. High 65°, low 62°.
1.05Hartford, Wednesday, 4 November
Heavy rain. High 64°, low 62°.
0.75Hartford, Thursday, 5 November
Rain. High 62°, low 57°.
0Hartford, Friday, 6 November
Overcast. High 59°, low 49°.
0Hartford, Saturday, 7 November
Overcast. High 56°, low 45°.
0Hartford, Sunday, 8 November
Overcast. High 55°, low 42°.
0.39Hartford, Monday, 9 November
Rain. High 56°, low 41°.
0.72Hartford, Tuesday, 10 November
Rain. High 58°, low 51°.
0.15Hartford, Wednesday, 11 November
Light rain. High 51°, low 44°.
0Hartford, Thursday, 12 November
Overcast. High 47°, low 43°.
0.06
Hartford, Friday, 13 November
Climate normal for this date — 60-year average.
0.1Hartford, Saturday, 14 November
Climate normal for this date — 60-year average.
0.13Hartford, Sunday, 15 November
Climate normal for this date — 60-year average.
0.11Hartford, Monday, 16 November
Climate normal for this date — 60-year average.
0.12Hartford, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.17Hartford, Wednesday, 18 November
Climate normal for this date — 60-year average.
0.07Hartford, Thursday, 19 November
Climate normal for this date — 60-year average.
0.1
Hartford, Friday, 20 November
Climate normal for this date — 60-year average.
0.1Hartford, Saturday, 21 November
Climate normal for this date — 60-year average.
0.09Hartford, Sunday, 22 November
Climate normal for this date — 60-year average.
0.1Hartford, Monday, 23 November
Climate normal for this date — 60-year average.
0.15Hartford, Tuesday, 24 November
Climate normal for this date — 60-year average.
0.17Hartford, Wednesday, 25 November
Climate normal for this date — 60-year average.
0.17Hartford, Thursday, 26 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 Hartford, 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 Hartford, 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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