Weather in Hartford, IL
Hartford, Sunday, 25 October, 23:46
Overcast. Feels like 62°. High 79°, low 48°.
Monthly outlook for Hartford, IL: average high 67.4°, average low 50.8°. That is 4.3° above the climate normal for October. Precipitation is expected on 3 days (about 0.7 inches), against a normal of 5 days and 1.8 inches. The warmest day looks like 25 October (78.7°), the coolest 6 November (38.2°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 25 October – 3 November | 72° | 61.1° | +6° |
| 4 November – 13 November | 59.8° | 56° | +2.1° |
| 14 November – 23 November | at normal | 52.7° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Edwardsville (6 mi).
0Hartford, Monday, 26 October
Overcast. High 77°, low 54°.
0Hartford, Tuesday, 27 October
Overcast. High 75°, low 51°.
0.01
Hartford, Wednesday, 28 October
Light rain. High 74°, low 55°.
0
Hartford, Thursday, 29 October
Clear. High 78°, low 57°.
0Hartford, Friday, 30 October
Overcast. High 76°, low 58°.
0Hartford, Saturday, 31 October
Overcast. High 69°, low 61°.
0.39Hartford, Sunday, 1 November
Rain. High 63°, low 59°.
0.14Hartford, Monday, 2 November
Light rain. High 62°, low 57°.
0
Hartford, Tuesday, 3 November
Mostly clear. High 68°, low 51°.
0Hartford, Wednesday, 4 November
Overcast. High 62°, low 50°.
0Hartford, Thursday, 5 November
Overcast. High 55°, low 41°.
0Hartford, Friday, 6 November
Mostly clear. High 58°, low 38°.
0.11Hartford, Saturday, 7 November
Light rain. High 62°, low 48°.
0.01Hartford, Sunday, 8 November
Light rain. High 64°, low 46°.
0Hartford, Monday, 9 November
Clear. High 58°, low 38°.
0.13
Hartford, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.11Hartford, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.09Hartford, Thursday, 12 November
Climate normal for this date — 60-year average.
0.06Hartford, 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.
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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