Weather in Charter Grove, IL
Charter Grove, Sunday, 9 August, 05:47
Clear. Feels like 63°. High 82°, low 62°.
Monthly outlook for Charter Grove, IL: average high 80.9°, average low 65°. That is 0.8° above the climate normal for August. Precipitation is expected on 4 days (about 1.6 inches), against a normal of 5 days and 1.8 inches. The warmest day looks like 23 August (90.4°), the coolest 14 August (56.6°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 9 August – 18 August | 77.9° | 79.5° | -0.9° |
| 19 August – 28 August | 85.9° | 79.7° | +3.5° |
| 29 August – 7 September | at normal | 78.1° | — |
August records over 66 years
Climate normals and records are computed from the nearest reference point — Sycamore (6 mi).
0.29
Charter Grove, Monday, 10 August
Rain. High 88°, low 69°.
0.15Charter Grove, Tuesday, 11 August
Rain. High 80°, low 68°.
0.02Charter Grove, Wednesday, 12 August
Light rain. High 81°, low 67°.
0
Charter Grove, Thursday, 13 August
Overcast. High 73°, low 61°.
0.01Charter Grove, Friday, 14 August
Light rain. High 73°, low 57°.
0Charter Grove, Saturday, 15 August
Overcast. High 74°, low 59°.
0Charter Grove, Sunday, 16 August
Light rain. High 72°, low 63°.
0.01Charter Grove, Monday, 17 August
Light rain. High 80°, low 64°.
0Charter Grove, Tuesday, 18 August
Overcast. High 75°, low 61°.
0.17Charter Grove, Wednesday, 19 August
Light rain. High 85°, low 67°.
0Charter Grove, Thursday, 20 August
Overcast. High 88°, low 74°.
0
Charter Grove, Friday, 21 August
Clear. High 83°, low 70°.
0Charter Grove, Saturday, 22 August
Clear. High 89°, low 65°.
0.01Charter Grove, Sunday, 23 August
Light rain. High 90°, low 68°.
0.02Charter Grove, Monday, 24 August
Light rain. High 80°, low 65°.
0.07
Charter Grove, Tuesday, 25 August
Climate normal for this date — 60-year average.
0.18Charter Grove, Wednesday, 26 August
Climate normal for this date — 60-year average.
0.11Charter Grove, Thursday, 27 August
Climate normal for this date — 60-year average.
0.13
Charter Grove, Friday, 28 August
Climate normal for this date — 60-year average.
0.12Charter Grove, Saturday, 29 August
Climate normal for this date — 60-year average.
0.07Charter Grove, Sunday, 30 August
Climate normal for this date — 60-year average.
0.09Charter Grove, Monday, 31 August
Climate normal for this date — 60-year average.
0.1Charter Grove, Tuesday, 1 September
Climate normal for this date — 60-year average.
0.05Charter Grove, Wednesday, 2 September
Climate normal for this date — 60-year average.
0.09Charter Grove, Thursday, 3 September
Climate normal for this date — 60-year average.
0.09Charter Grove, Friday, 4 September
Climate normal for this date — 60-year average.
0.07Charter Grove, Saturday, 5 September
Climate normal for this date — 60-year average.
0.12Charter Grove, Sunday, 6 September
Climate normal for this date — 60-year average.
0.13Charter Grove, Monday, 7 September
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 Charter Grove, 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 Charter Grove, 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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