Weather in Dunham Castle, IL
Dunham Castle, Saturday, 8 August, 20:52
Clear. Feels like 72°. High 83°, low 68°.
Monthly outlook for Dunham Castle, IL: average high 77.4°, average low 61.9°. That is 1.4° below the climate normal for August. Precipitation is expected on 3 days (about 1.3 inches), against a normal of 6 days and 1.9 inches. The warmest day looks like 9 August (87.8°), the coolest 20 August (52.2°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 8 August – 17 August | 79.5° | 80° | -0.3° |
| 18 August – 27 August | 73.9° | 79.9° | -3.3° |
| 28 August – 6 September | at normal | 78.3° | — |
August records over 66 years
Climate normals and records are computed from the nearest reference point — Elgin (7 mi).
0.65
Dunham Castle, Sunday, 9 August
Heavy rain. High 88°, low 63°.
0.56Dunham Castle, Monday, 10 August
Heavy rain. High 87°, low 71°.
0.07Dunham Castle, Tuesday, 11 August
Rain. High 84°, low 70°.
0.02Dunham Castle, Wednesday, 12 August
Light rain. High 80°, low 66°.
0
Dunham Castle, Thursday, 13 August
Overcast. High 74°, low 61°.
0
Dunham Castle, Friday, 14 August
Mostly clear. High 77°, low 59°.
0Dunham Castle, Saturday, 15 August
Overcast. High 70°, low 61°.
0Dunham Castle, Sunday, 16 August
Overcast. High 75°, low 62°.
0.01Dunham Castle, Monday, 17 August
Light rain. High 78°, low 64°.
0Dunham Castle, Tuesday, 18 August
Overcast. High 81°, low 65°.
0.02Dunham Castle, Wednesday, 19 August
Light rain. High 74°, low 59°.
0Dunham Castle, Thursday, 20 August
Overcast. High 67°, low 52°.
0
Dunham Castle, Friday, 21 August
Clear. High 74°, low 53°.
0.01Dunham Castle, Saturday, 22 August
Light rain. High 69°, low 56°.
0Dunham Castle, Sunday, 23 August
Clear. High 79°, low 63°.
0.13
Dunham Castle, Monday, 24 August
Climate normal for this date — 60-year average.
0.08Dunham Castle, Tuesday, 25 August
Climate normal for this date — 60-year average.
0.16
Dunham Castle, Wednesday, 26 August
Climate normal for this date — 60-year average.
0.11Dunham Castle, Thursday, 27 August
Climate normal for this date — 60-year average.
0.13Dunham Castle, Friday, 28 August
Climate normal for this date — 60-year average.
0.13Dunham Castle, Saturday, 29 August
Climate normal for this date — 60-year average.
0.11Dunham Castle, Sunday, 30 August
Climate normal for this date — 60-year average.
0.09Dunham Castle, Monday, 31 August
Climate normal for this date — 60-year average.
0.12Dunham Castle, Tuesday, 1 September
Climate normal for this date — 60-year average.
0.04Dunham Castle, Wednesday, 2 September
Climate normal for this date — 60-year average.
0.09Dunham Castle, Thursday, 3 September
Climate normal for this date — 60-year average.
0.1Dunham Castle, Friday, 4 September
Climate normal for this date — 60-year average.
0.07Dunham Castle, Saturday, 5 September
Climate normal for this date — 60-year average.
0.12Dunham Castle, Sunday, 6 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 Dunham Castle, 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 Dunham Castle, 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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