Weather in Swan Creek, MD
Swan Creek, Sunday, 9 August, 17:28
Clear. Feels like 103°. High 91°, low 73°.
Monthly outlook for Swan Creek, MD: average high 86.6°, average low 69.3°. That is 2.6° above the climate normal for August. Precipitation is expected on 8 days (about 1.6 inches), against a normal of 6 days and 2.1 inches. The warmest day looks like 19 August (94.9°), the coolest 15 August (63°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 9 August – 18 August | 86.5° | 82.5° | +2.2° |
| 19 August – 28 August | 86.8° | 81.3° | +3° |
| 29 August – 7 September | at normal | 80.2° | — |
August records over 66 years
Climate normals and records are computed from the nearest reference point — Joppatowne (13 mi).
0.12
Swan Creek, Monday, 10 August
Rain. High 90°, low 73°.
0.03Swan Creek, Tuesday, 11 August
Light rain. High 90°, low 72°.
0.17Swan Creek, Wednesday, 12 August
Rain. High 87°, low 70°.
0
Swan Creek, Thursday, 13 August
Mostly clear. High 86°, low 68°.
0
Swan Creek, Friday, 14 August
Overcast. High 78°, low 66°.
0.01Swan Creek, Saturday, 15 August
Light rain. High 82°, low 63°.
0.09Swan Creek, Sunday, 16 August
Light rain. High 93°, low 71°.
0Swan Creek, Monday, 17 August
Clear. High 83°, low 68°.
0.02Swan Creek, Tuesday, 18 August
Light rain. High 85°, low 65°.
0.22Swan Creek, Wednesday, 19 August
Rain. High 95°, low 72°.
0Swan Creek, Thursday, 20 August
Light rain. High 87°, low 67°.
0.1Swan Creek, Friday, 21 August
Light rain. High 87°, low 74°.
0.55Swan Creek, Saturday, 22 August
Rain. High 79°, low 70°.
0.17Swan Creek, Sunday, 23 August
Light rain. High 82°, low 68°.
0.08Swan Creek, Monday, 24 August
Light rain. High 90°, low 70°.
0.06Swan Creek, Tuesday, 25 August
Climate normal for this date — 60-year average.
0.07
Swan Creek, Wednesday, 26 August
Climate normal for this date — 60-year average.
0.16
Swan Creek, Thursday, 27 August
Climate normal for this date — 60-year average.
0.16Swan Creek, Friday, 28 August
Climate normal for this date — 60-year average.
0.11Swan Creek, Saturday, 29 August
Climate normal for this date — 60-year average.
0.06Swan Creek, Sunday, 30 August
Climate normal for this date — 60-year average.
0.07Swan Creek, Monday, 31 August
Climate normal for this date — 60-year average.
0.14Swan Creek, Tuesday, 1 September
Climate normal for this date — 60-year average.
0.1Swan Creek, Wednesday, 2 September
Climate normal for this date — 60-year average.
0.1Swan Creek, Thursday, 3 September
Climate normal for this date — 60-year average.
0.09Swan Creek, Friday, 4 September
Climate normal for this date — 60-year average.
0.1Swan Creek, Saturday, 5 September
Climate normal for this date — 60-year average.
0.24Swan Creek, Sunday, 6 September
Climate normal for this date — 60-year average.
0.09Swan Creek, 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 Swan Creek, 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 Swan Creek, 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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