Weather in Old Germantown, MD
Old Germantown, Sunday, 9 August, 06:25
Overcast. Feels like 71°. High 88°, low 70°.
Monthly outlook for Old Germantown, MD: average high 89°, average low 67.3°. That is 3.1° above the climate normal for August. Precipitation is expected on 6 days (about 1.3 inches), against a normal of 6 days and 1.9 inches. The warmest day looks like 24 August (101.5°), the coolest 16 August (55.8°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 9 August – 18 August | 84.8° | 84.1° | +0.4° |
| 19 August – 28 August | 95.9° | 82.9° | +7.2° |
| 29 August – 7 September | at normal | 81.7° | — |
August records over 66 years
Climate normals and records are computed from the nearest reference point — Germantown (1 mi).
0.01
Old Germantown, Monday, 10 August
Light rain. High 90°, low 72°.
0.11Old Germantown, Tuesday, 11 August
Rain. High 92°, low 69°.
0.15Old Germantown, Wednesday, 12 August
Rain. High 91°, low 70°.
0.01Old Germantown, Thursday, 13 August
Light rain. High 85°, low 68°.
0Old Germantown, Friday, 14 August
Overcast. High 80°, low 60°.
0Old Germantown, Saturday, 15 August
Overcast. High 79°, low 58°.
0Old Germantown, Sunday, 16 August
Overcast. High 76°, low 56°.
0.04Old Germantown, Monday, 17 August
Light rain. High 81°, low 67°.
0
Old Germantown, Tuesday, 18 August
Clear. High 85°, low 64°.
0Old Germantown, Wednesday, 19 August
Clear. High 88°, low 65°.
0Old Germantown, Thursday, 20 August
Overcast. High 92°, low 67°.
0.33Old Germantown, Friday, 21 August
Rain. High 100°, low 71°.
0Old Germantown, Saturday, 22 August
Overcast. High 95°, low 75°.
0.05Old Germantown, Sunday, 23 August
Light rain. High 98°, low 73°.
0.58Old Germantown, Monday, 24 August
Heavy rain. High 101°, low 72°.
0.06
Old Germantown, Tuesday, 25 August
Climate normal for this date — 60-year average.
0.06Old Germantown, Wednesday, 26 August
Climate normal for this date — 60-year average.
0.14
Old Germantown, Thursday, 27 August
Climate normal for this date — 60-year average.
0.15Old Germantown, Friday, 28 August
Climate normal for this date — 60-year average.
0.1Old Germantown, Saturday, 29 August
Climate normal for this date — 60-year average.
0.06Old Germantown, Sunday, 30 August
Climate normal for this date — 60-year average.
0.09Old Germantown, Monday, 31 August
Climate normal for this date — 60-year average.
0.11Old Germantown, Tuesday, 1 September
Climate normal for this date — 60-year average.
0.11Old Germantown, Wednesday, 2 September
Climate normal for this date — 60-year average.
0.11Old Germantown, Thursday, 3 September
Climate normal for this date — 60-year average.
0.09Old Germantown, Friday, 4 September
Climate normal for this date — 60-year average.
0.14Old Germantown, Saturday, 5 September
Climate normal for this date — 60-year average.
0.26Old Germantown, Sunday, 6 September
Climate normal for this date — 60-year average.
0.09Old Germantown, 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 Old Germantown, 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 Old Germantown, 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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