Weather in Waddams Grove, IL
Waddams Grove, Sunday, 9 August, 10:11
Overcast. Feels like 73°. High 85°, low 62°.
Monthly outlook for Waddams Grove, IL: average high 77.3°, average low 60.8°. That is 1.5° below the climate normal for August. Precipitation is expected on 6 days (about 1.1 inches), against a normal of 5 days and 2.0 inches. The warmest day looks like 10 August (85.6°), the coolest 23 August (54.7°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 9 August – 18 August | 77.6° | 80° | -1.3° |
| 19 August – 28 August | 76.8° | 80° | -1.8° |
| 29 August – 7 September | at normal | 77.9° | — |
August records over 66 years
Climate normals and records are computed from the nearest reference point — Gratiot (13 mi).
0.17
Waddams Grove, Monday, 10 August
Rain. High 86°, low 71°.
0.04Waddams Grove, Tuesday, 11 August
Light rain. High 81°, low 64°.
0
Waddams Grove, Wednesday, 12 August
Clear. High 84°, low 64°.
0.19Waddams Grove, Thursday, 13 August
Rain. High 70°, low 61°.
0Waddams Grove, Friday, 14 August
Overcast. High 73°, low 55°.
0.13Waddams Grove, Saturday, 15 August
Light rain. High 70°, low 59°.
0.12Waddams Grove, Sunday, 16 August
Light rain. High 73°, low 65°.
0Waddams Grove, Monday, 17 August
Overcast. High 76°, low 57°.
0Waddams Grove, Tuesday, 18 August
Overcast. High 78°, low 58°.
0
Waddams Grove, Wednesday, 19 August
Partly cloudy. High 70°, low 62°.
0.02Waddams Grove, Thursday, 20 August
Light rain. High 76°, low 58°.
0.04Waddams Grove, Friday, 21 August
Light rain. High 81°, low 61°.
0.03Waddams Grove, Saturday, 22 August
Light rain. High 78°, low 62°.
0Waddams Grove, Sunday, 23 August
Clear. High 77°, low 55°.
0Waddams Grove, Monday, 24 August
Clear. High 79°, low 59°.
0.1Waddams Grove, Tuesday, 25 August
Climate normal for this date — 60-year average.
0.16
Waddams Grove, Wednesday, 26 August
Climate normal for this date — 60-year average.
0.12Waddams Grove, Thursday, 27 August
Climate normal for this date — 60-year average.
0.17Waddams Grove, Friday, 28 August
Climate normal for this date — 60-year average.
0.15Waddams Grove, Saturday, 29 August
Climate normal for this date — 60-year average.
0.06Waddams Grove, Sunday, 30 August
Climate normal for this date — 60-year average.
0.07Waddams Grove, Monday, 31 August
Climate normal for this date — 60-year average.
0.09Waddams Grove, Tuesday, 1 September
Climate normal for this date — 60-year average.
0.06Waddams Grove, Wednesday, 2 September
Climate normal for this date — 60-year average.
0.12Waddams Grove, Thursday, 3 September
Climate normal for this date — 60-year average.
0.09Waddams Grove, Friday, 4 September
Climate normal for this date — 60-year average.
0.07Waddams Grove, Saturday, 5 September
Climate normal for this date — 60-year average.
0.08Waddams Grove, Sunday, 6 September
Climate normal for this date — 60-year average.
0.14Waddams 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 Waddams 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 Waddams 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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