Weather in Sewell Mills, MD
Sewell Mills, Sunday, 9 August, 09:44
Overcast. Feels like 96°. High 88°, low 73°.
Monthly outlook for Sewell Mills, MD: average high 84°, average low 66°. That is 0.7° above the climate normal for August. Precipitation is expected on 4 days (about 0.3 inches), against a normal of 6 days and 2.4 inches. The warmest day looks like 10 August (90°), the coolest 15 August (56.3°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 9 August – 18 August | 82.7° | 83.5° | -0.4° |
| 19 August – 28 August | 86.1° | 82.1° | +2.2° |
| 29 August – 7 September | at normal | 81.1° | — |
August records over 66 years
Climate normals and records are computed from the nearest reference point — Marydel (8 mi).
0
Sewell Mills, Monday, 10 August
Clear. High 90°, low 75°.
0Sewell Mills, Tuesday, 11 August
Overcast. High 88°, low 72°.
0.1
Sewell Mills, Wednesday, 12 August
Rain. High 85°, low 71°.
0Sewell Mills, Thursday, 13 August
Light rain. High 86°, low 73°.
0.04Sewell Mills, Friday, 14 August
Light rain. High 74°, low 61°.
0
Sewell Mills, Saturday, 15 August
Partly cloudy. High 75°, low 56°.
0Sewell Mills, Sunday, 16 August
Overcast. High 76°, low 57°.
0.04Sewell Mills, Monday, 17 August
Light rain. High 82°, low 65°.
0
Sewell Mills, Tuesday, 18 August
Mostly clear. High 83°, low 61°.
0.13Sewell Mills, Wednesday, 19 August
Light rain. High 86°, low 64°.
0Sewell Mills, Thursday, 20 August
Clear. High 87°, low 68°.
0Sewell Mills, Friday, 21 August
Overcast. High 81°, low 63°.
0Sewell Mills, Saturday, 22 August
Clear. High 90°, low 64°.
0Sewell Mills, Sunday, 23 August
Mostly clear. High 90°, low 71°.
0Sewell Mills, Monday, 24 August
Clear. High 83°, low 63°.
0.05Sewell Mills, Tuesday, 25 August
Climate normal for this date — 60-year average.
0.06Sewell Mills, Wednesday, 26 August
Climate normal for this date — 60-year average.
0.15
Sewell Mills, Thursday, 27 August
Climate normal for this date — 60-year average.
0.2Sewell Mills, Friday, 28 August
Climate normal for this date — 60-year average.
0.09Sewell Mills, Saturday, 29 August
Climate normal for this date — 60-year average.
0.07Sewell Mills, Sunday, 30 August
Climate normal for this date — 60-year average.
0.08Sewell Mills, Monday, 31 August
Climate normal for this date — 60-year average.
0.2Sewell Mills, Tuesday, 1 September
Climate normal for this date — 60-year average.
0.12Sewell Mills, Wednesday, 2 September
Climate normal for this date — 60-year average.
0.14Sewell Mills, Thursday, 3 September
Climate normal for this date — 60-year average.
0.09Sewell Mills, Friday, 4 September
Climate normal for this date — 60-year average.
0.09Sewell Mills, Saturday, 5 September
Climate normal for this date — 60-year average.
0.18Sewell Mills, Sunday, 6 September
Climate normal for this date — 60-year average.
0.08Sewell Mills, 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 Sewell Mills, 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 Sewell Mills, 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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