Weather in Port Herman, MD
Port Herman, Saturday, 8 August, 23:52
Partly cloudy. Feels like 76°. High 87°, low 72°.
Monthly outlook for Port Herman, MD: average high 82.6°, average low 65.3°. That is 0° above the climate normal for August. Precipitation is expected on 5 days (about 1.3 inches), against a normal of 6 days and 2.1 inches. The warmest day looks like 10 August (90.6°), the coolest 22 August (56.2°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 8 August – 17 August | 84.9° | 83.3° | +0.9° |
| 18 August – 27 August | 78.8° | 81.8° | -1.7° |
| 28 August – 6 September | at normal | 81° | — |
August records over 66 years
Climate normals and records are computed from the nearest reference point — Odessa (13 mi).
0
Port Herman, Sunday, 9 August
Partly cloudy. High 89°, low 73°.
0.02
Port Herman, Monday, 10 August
Light rain. High 91°, low 73°.
0.19Port Herman, Tuesday, 11 August
Rain. High 89°, low 71°.
0.03Port Herman, Wednesday, 12 August
Light rain. High 88°, low 72°.
0.01Port Herman, Thursday, 13 August
Light rain. High 85°, low 68°.
0
Port Herman, Friday, 14 August
Overcast. High 78°, low 60°.
0
Port Herman, Saturday, 15 August
Clear. High 79°, low 60°.
0Port Herman, Sunday, 16 August
Overcast. High 81°, low 59°.
0.09Port Herman, Monday, 17 August
Light rain. High 82°, low 64°.
0.11Port Herman, Tuesday, 18 August
Light rain. High 72°, low 65°.
0.08Port Herman, Wednesday, 19 August
Light rain. High 78°, low 65°.
0.74Port Herman, Thursday, 20 August
Rain. High 80°, low 67°.
0Port Herman, Friday, 21 August
Clear. High 79°, low 59°.
0Port Herman, Saturday, 22 August
Clear. High 79°, low 56°.
0Port Herman, Sunday, 23 August
Overcast. High 84°, low 60°.
0.07Port Herman, Monday, 24 August
Climate normal for this date — 60-year average.
0.05
Port Herman, Tuesday, 25 August
Climate normal for this date — 60-year average.
0.07Port Herman, Wednesday, 26 August
Climate normal for this date — 60-year average.
0.16Port Herman, Thursday, 27 August
Climate normal for this date — 60-year average.
0.21
Port Herman, Friday, 28 August
Climate normal for this date — 60-year average.
0.11Port Herman, Saturday, 29 August
Climate normal for this date — 60-year average.
0.07Port Herman, Sunday, 30 August
Climate normal for this date — 60-year average.
0.07Port Herman, Monday, 31 August
Climate normal for this date — 60-year average.
0.18Port Herman, Tuesday, 1 September
Climate normal for this date — 60-year average.
0.09Port Herman, Wednesday, 2 September
Climate normal for this date — 60-year average.
0.12Port Herman, Thursday, 3 September
Climate normal for this date — 60-year average.
0.08Port Herman, Friday, 4 September
Climate normal for this date — 60-year average.
0.09Port Herman, Saturday, 5 September
Climate normal for this date — 60-year average.
0.21Port Herman, 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 Port Herman, MD 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 Herman, MD 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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