Weather in Port Penn, DE
Port Penn, Sunday, 9 August, 11:57
Overcast. Feels like 99°. High 89°, low 74°.
Monthly outlook for Port Penn, DE: average high 83.2°, average low 66.3°. That is 0.4° above the climate normal for August. Precipitation is expected on 2 days (about 0.2 inches), against a normal of 6 days and 2.1 inches. The warmest day looks like 10 August (90.7°), the coolest 15 August (58.2°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 9 August – 18 August | 82.2° | 83.2° | -0.5° |
| 19 August – 28 August | 84.8° | 81.8° | +1.7° |
| 29 August – 7 September | at normal | 80.7° | — |
August records over 66 years
Climate normals and records are computed from the nearest reference point — Odessa (6 mi).
0
Port Penn, Monday, 10 August
Clear. High 91°, low 74°.
0.03
Port Penn, Tuesday, 11 August
Light rain. High 88°, low 71°.
0Port Penn, Wednesday, 12 August
Overcast. High 85°, low 70°.
0.01Port Penn, Thursday, 13 August
Light rain. High 85°, low 70°.
0Port Penn, Friday, 14 August
Overcast. High 75°, low 61°.
0Port Penn, Saturday, 15 August
Overcast. High 76°, low 58°.
0Port Penn, Sunday, 16 August
Overcast. High 75°, low 58°.
0.09Port Penn, Monday, 17 August
Light rain. High 74°, low 64°.
0
Port Penn, Tuesday, 18 August
Partly cloudy. High 83°, low 61°.
0.08Port Penn, Wednesday, 19 August
Light rain. High 81°, low 65°.
0Port Penn, Thursday, 20 August
Clear. High 86°, low 68°.
0Port Penn, Friday, 21 August
Partly cloudy. High 82°, low 64°.
0Port Penn, Saturday, 22 August
Clear. High 89°, low 65°.
0Port Penn, Sunday, 23 August
Clear. High 89°, low 73°.
0Port Penn, Monday, 24 August
Clear. High 81°, low 63°.
0.05
Port Penn, Tuesday, 25 August
Climate normal for this date — 60-year average.
0.07Port Penn, Wednesday, 26 August
Climate normal for this date — 60-year average.
0.16Port Penn, Thursday, 27 August
Climate normal for this date — 60-year average.
0.21
Port Penn, Friday, 28 August
Climate normal for this date — 60-year average.
0.11Port Penn, Saturday, 29 August
Climate normal for this date — 60-year average.
0.07Port Penn, Sunday, 30 August
Climate normal for this date — 60-year average.
0.07Port Penn, Monday, 31 August
Climate normal for this date — 60-year average.
0.18Port Penn, Tuesday, 1 September
Climate normal for this date — 60-year average.
0.09Port Penn, Wednesday, 2 September
Climate normal for this date — 60-year average.
0.12Port Penn, Thursday, 3 September
Climate normal for this date — 60-year average.
0.08Port Penn, Friday, 4 September
Climate normal for this date — 60-year average.
0.09Port Penn, Saturday, 5 September
Climate normal for this date — 60-year average.
0.21Port Penn, Sunday, 6 September
Climate normal for this date — 60-year average.
0.09Port Penn, 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 Port Penn, 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 Port Penn, 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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