Weather in Harmony Hall, MD
Harmony Hall, Saturday, 8 August, 16:57
Overcast. Feels like 100°. High 90°, low 72°.
Monthly outlook for Harmony Hall, MD: average high 84.3°, average low 67.8°. That is 0.2° below the climate normal for August. Precipitation is expected on 6 days (about 2.2 inches), against a normal of 6 days and 2.0 inches. The warmest day looks like 10 August (94.5°), the coolest 15 August (59.2°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 8 August – 17 August | 86.8° | 85.4° | +0.8° |
| 18 August – 27 August | 80.2° | 83.8° | -2° |
| 28 August – 6 September | at normal | 83° | — |
August records over 66 years
Climate normals and records are computed from the nearest reference point — Hybla Valley (4 mi).
0Harmony Hall, Sunday, 9 August
Overcast. High 91°, low 72°.
0.01
Harmony Hall, Monday, 10 August
Light rain. High 95°, low 74°.
0.06Harmony Hall, Tuesday, 11 August
Light rain. High 92°, low 72°.
0Harmony Hall, Wednesday, 12 August
Overcast. High 91°, low 72°.
0.02Harmony Hall, Thursday, 13 August
Light rain. High 91°, low 75°.
1.15Harmony Hall, Friday, 14 August
Heavy rain. High 72°, low 61°.
0
Harmony Hall, Saturday, 15 August
Clear. High 79°, low 59°.
0Harmony Hall, Sunday, 16 August
Clear. High 81°, low 62°.
0
Harmony Hall, Monday, 17 August
Mostly clear. High 87°, low 63°.
0.33Harmony Hall, Tuesday, 18 August
Rain. High 72°, low 69°.
0.04Harmony Hall, Wednesday, 19 August
Light rain. High 88°, low 70°.
0Harmony Hall, Thursday, 20 August
Overcast. High 85°, low 68°.
0.48Harmony Hall, Friday, 21 August
Light rain. High 72°, low 68°.
0Harmony Hall, Saturday, 22 August
Mostly clear. High 87°, low 68°.
0
Harmony Hall, Sunday, 23 August
Partly cloudy. High 77°, low 63°.
0.08Harmony Hall, Monday, 24 August
Climate normal for this date — 60-year average.
0.08Harmony Hall, Tuesday, 25 August
Climate normal for this date — 60-year average.
0.05Harmony Hall, Wednesday, 26 August
Climate normal for this date — 60-year average.
0.13
Harmony Hall, Thursday, 27 August
Climate normal for this date — 60-year average.
0.16Harmony Hall, Friday, 28 August
Climate normal for this date — 60-year average.
0.12Harmony Hall, Saturday, 29 August
Climate normal for this date — 60-year average.
0.05Harmony Hall, Sunday, 30 August
Climate normal for this date — 60-year average.
0.07Harmony Hall, Monday, 31 August
Climate normal for this date — 60-year average.
0.16Harmony Hall, Tuesday, 1 September
Climate normal for this date — 60-year average.
0.09Harmony Hall, Wednesday, 2 September
Climate normal for this date — 60-year average.
0.12Harmony Hall, Thursday, 3 September
Climate normal for this date — 60-year average.
0.09Harmony Hall, Friday, 4 September
Climate normal for this date — 60-year average.
0.14Harmony Hall, Saturday, 5 September
Climate normal for this date — 60-year average.
0.22Harmony Hall, 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 Harmony Hall, 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 Harmony Hall, 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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