Weather in Hartford, IL
Hartford, Wednesday, 11 November, 05:17
Overcast. Feels like 48°. High 71°, low 46°.
Monthly outlook for Hartford, IL: average high 51.2°, average low 35.9°. That is 0.6° below the climate normal for November. Precipitation is expected on 3 days (about 0.4 inches), against a normal of 5 days and 1.8 inches. The warmest day looks like 11 November (70.5°), the coolest 24 November (19.8°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 11 November – 20 November | 55.2° | 53.3° | +1° |
| 21 November – 30 November | 44.5° | 49.2° | -2.6° |
| 1 December – 10 December | at normal | 44.5° | — |
November records over 66 years
Climate normals and records are computed from the nearest reference point — Edwardsville (6 mi).
0Hartford, Thursday, 12 November
Overcast. High 54°, low 39°.
0Hartford, Friday, 13 November
Overcast. High 44°, low 35°.
0
Hartford, Saturday, 14 November
Clear. High 46°, low 31°.
0Hartford, Sunday, 15 November
Clear. High 50°, low 33°.
0
Hartford, Monday, 16 November
Mostly clear. High 53°, low 34°.
0Hartford, Tuesday, 17 November
Clear. High 54°, low 36°.
0Hartford, Wednesday, 18 November
Mostly clear. High 57°, low 37°.
0Hartford, Thursday, 19 November
Overcast. High 60°, low 43°.
0.09
Hartford, Friday, 20 November
Light rain. High 61°, low 53°.
0.16Hartford, Saturday, 21 November
Light rain. High 56°, low 43°.
0.11
Hartford, Sunday, 22 November
Snow. High 40°, low 30°.
0
Hartford, Monday, 23 November
Partly cloudy. High 30°, low 21°.
0Hartford, Tuesday, 24 November
Clear. High 39°, low 20°.
0Hartford, Wednesday, 25 November
Overcast. High 52°, low 33°.
0Hartford, Thursday, 26 November
Overcast. High 50°, low 40°.
0.21
Hartford, Friday, 27 November
Climate normal for this date — 60-year average.
0.11Hartford, Saturday, 28 November
Climate normal for this date — 60-year average.
0.08Hartford, Sunday, 29 November
Climate normal for this date — 60-year average.
0.18Hartford, Monday, 30 November
Climate normal for this date — 60-year average.
0.12Hartford, Tuesday, 1 December
Climate normal for this date — 60-year average.
0.09Hartford, Wednesday, 2 December
Climate normal for this date — 60-year average.
0.13Hartford, Thursday, 3 December
Climate normal for this date — 60-year average.
0.08Hartford, Friday, 4 December
Climate normal for this date — 60-year average.
0.09Hartford, Saturday, 5 December
Climate normal for this date — 60-year average.
0.06Hartford, Sunday, 6 December
Climate normal for this date — 60-year average.
0.09Hartford, Monday, 7 December
Climate normal for this date — 60-year average.
0.08Hartford, Tuesday, 8 December
Climate normal for this date — 60-year average.
0.07Hartford, Wednesday, 9 December
Climate normal for this date — 60-year average.
0.11Hartford, Thursday, 10 December
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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