Weather in Marshall Heights, DC
Marshall Heights, Sunday, 9 August, 07:22
Overcast. Feels like 76°. High 91°, low 74°.
Monthly outlook for Marshall Heights, DC: average high 90.8°, average low 70.1°. That is 3.8° above the climate normal for August. Precipitation is expected on 7 days (about 0.9 inches), against a normal of 6 days and 2.1 inches. The warmest day looks like 24 August (102.3°), the coolest 16 August (61.5°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 9 August – 18 August | 86.7° | 84.7° | +1.1° |
| 19 August – 28 August | 97.5° | 83.3° | +7.9° |
| 29 August – 7 September | at normal | 82.2° | — |
August records over 66 years
Climate normals and records are computed from the nearest reference point — Coral Hills (1 mi).
0
Marshall Heights, Monday, 10 August
Partly cloudy. High 94°, low 74°.
0.06
Marshall Heights, Tuesday, 11 August
Light rain. High 94°, low 72°.
0.09Marshall Heights, Wednesday, 12 August
Light rain. High 91°, low 71°.
0.04Marshall Heights, Thursday, 13 August
Light rain. High 88°, low 73°.
0Marshall Heights, Friday, 14 August
Overcast. High 82°, low 65°.
0Marshall Heights, Saturday, 15 August
Overcast. High 81°, low 63°.
0Marshall Heights, Sunday, 16 August
Overcast. High 81°, low 62°.
0.05Marshall Heights, Monday, 17 August
Light rain. High 80°, low 68°.
0.01Marshall Heights, Tuesday, 18 August
Light rain. High 86°, low 66°.
0
Marshall Heights, Wednesday, 19 August
Clear. High 89°, low 68°.
0Marshall Heights, Thursday, 20 August
Partly cloudy. High 93°, low 69°.
0.09Marshall Heights, Friday, 21 August
Light rain. High 102°, low 72°.
0.04Marshall Heights, Saturday, 22 August
Light rain. High 99°, low 77°.
0.05Marshall Heights, Sunday, 23 August
Light rain. High 101°, low 76°.
0.52Marshall Heights, Monday, 24 August
Heavy rain. High 102°, low 73°.
0.08Marshall Heights, Tuesday, 25 August
Climate normal for this date — 60-year average.
0.05
Marshall Heights, Wednesday, 26 August
Climate normal for this date — 60-year average.
0.13
Marshall Heights, Thursday, 27 August
Climate normal for this date — 60-year average.
0.16Marshall Heights, Friday, 28 August
Climate normal for this date — 60-year average.
0.13Marshall Heights, Saturday, 29 August
Climate normal for this date — 60-year average.
0.05Marshall Heights, Sunday, 30 August
Climate normal for this date — 60-year average.
0.06Marshall Heights, Monday, 31 August
Climate normal for this date — 60-year average.
0.15Marshall Heights, Tuesday, 1 September
Climate normal for this date — 60-year average.
0.1Marshall Heights, Wednesday, 2 September
Climate normal for this date — 60-year average.
0.12Marshall Heights, Thursday, 3 September
Climate normal for this date — 60-year average.
0.09Marshall Heights, Friday, 4 September
Climate normal for this date — 60-year average.
0.14Marshall Heights, Saturday, 5 September
Climate normal for this date — 60-year average.
0.22Marshall Heights, Sunday, 6 September
Climate normal for this date — 60-year average.
0.07Marshall Heights, 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 Marshall Heights, DC 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 Marshall Heights, DC 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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