Weather in Claymont Addition, DE
Claymont Addition, Sunday, 9 August, 14:33
Clear. Feels like 101°. High 90°, low 72°.
Monthly outlook for Claymont Addition, DE: average high 86.5°, average low 69°. That is 2.3° above the climate normal for August. Precipitation is expected on 4 days (about 0.6 inches), against a normal of 6 days and 2.1 inches. The warmest day looks like 16 August (93.1°), the coolest 21 August (63.3°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 9 August – 18 August | 86.8° | 83.1° | +2.1° |
| 19 August – 28 August | 85.9° | 81.8° | +2.3° |
| 29 August – 7 September | at normal | 80.6° | — |
August records over 66 years
Climate normals and records are computed from the nearest reference point — Bellefonte (3 mi).
0.04
Claymont Addition, Monday, 10 August
Light rain. High 89°, low 71°.
0.01Claymont Addition, Tuesday, 11 August
Light rain. High 90°, low 71°.
0.14Claymont Addition, Wednesday, 12 August
Rain. High 85°, low 70°.
0
Claymont Addition, Thursday, 13 August
Partly cloudy. High 85°, low 70°.
0
Claymont Addition, Friday, 14 August
Overcast. High 81°, low 69°.
0
Claymont Addition, Saturday, 15 August
Mostly clear. High 84°, low 66°.
0.06Claymont Addition, Sunday, 16 August
Light rain. High 93°, low 70°.
0Claymont Addition, Monday, 17 August
Partly cloudy. High 83°, low 68°.
0.01Claymont Addition, Tuesday, 18 August
Light rain. High 87°, low 68°.
0.38Claymont Addition, Wednesday, 19 August
Rain. High 92°, low 70°.
0Claymont Addition, Thursday, 20 August
Mostly clear. High 84°, low 70°.
0Claymont Addition, Friday, 21 August
Mostly clear. High 82°, low 63°.
0Claymont Addition, Saturday, 22 August
Clear. High 89°, low 66°.
0Claymont Addition, Sunday, 23 August
Clear. High 87°, low 73°.
0Claymont Addition, Monday, 24 August
Clear. High 81°, low 65°.
0.06Claymont Addition, Tuesday, 25 August
Climate normal for this date — 60-year average.
0.06Claymont Addition, Wednesday, 26 August
Climate normal for this date — 60-year average.
0.17
Claymont Addition, Thursday, 27 August
Climate normal for this date — 60-year average.
0.24Claymont Addition, Friday, 28 August
Climate normal for this date — 60-year average.
0.12Claymont Addition, Saturday, 29 August
Climate normal for this date — 60-year average.
0.08Claymont Addition, Sunday, 30 August
Climate normal for this date — 60-year average.
0.07Claymont Addition, Monday, 31 August
Climate normal for this date — 60-year average.
0.14Claymont Addition, Tuesday, 1 September
Climate normal for this date — 60-year average.
0.11Claymont Addition, Wednesday, 2 September
Climate normal for this date — 60-year average.
0.13Claymont Addition, Thursday, 3 September
Climate normal for this date — 60-year average.
0.09Claymont Addition, Friday, 4 September
Climate normal for this date — 60-year average.
0.11Claymont Addition, Saturday, 5 September
Climate normal for this date — 60-year average.
0.23Claymont Addition, Sunday, 6 September
Climate normal for this date — 60-year average.
0.11Claymont Addition, 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 Claymont Addition, DE 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 Claymont Addition, DE 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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