Weather in Castle Marina, MD
Castle Marina, Sunday, 9 August, 09:04
Overcast. Feels like 89°. High 89°, low 74°.
Monthly outlook for Castle Marina, MD: average high 82.3°, average low 72.4°. That is 0° below the climate normal for August. Precipitation is expected on 3 days (about 0.4 inches), against a normal of 6 days and 2.3 inches. The warmest day looks like 10 August (90.7°), the coolest 14 August (66°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 9 August – 18 August | 82.5° | 82.9° | -0.3° |
| 19 August – 28 August | 82° | 81.7° | +0.2° |
| 29 August – 7 September | at normal | 80.6° | — |
August records over 66 years
Climate normals and records are computed from the nearest reference point — Naval Academy (11 mi).
0
Castle Marina, Monday, 10 August
Clear. High 91°, low 76°.
0.02
Castle Marina, Tuesday, 11 August
Light rain. High 86°, low 75°.
0.04Castle Marina, Wednesday, 12 August
Light rain. High 83°, low 77°.
0Castle Marina, Thursday, 13 August
Overcast. High 85°, low 78°.
0.12Castle Marina, Friday, 14 August
Light rain. High 77°, low 66°.
0Castle Marina, Saturday, 15 August
Overcast. High 78°, low 69°.
0Castle Marina, Sunday, 16 August
Overcast. High 75°, low 68°.
0.11Castle Marina, Monday, 17 August
Light rain. High 81°, low 71°.
0Castle Marina, Tuesday, 18 August
Clear. High 80°, low 70°.
0.13Castle Marina, Wednesday, 19 August
Light rain. High 82°, low 74°.
0Castle Marina, Thursday, 20 August
Clear. High 83°, low 72°.
0Castle Marina, Friday, 21 August
Overcast. High 78°, low 70°.
0Castle Marina, Saturday, 22 August
Clear. High 84°, low 73°.
0Castle Marina, Sunday, 23 August
Clear. High 86°, low 78°.
0Castle Marina, Monday, 24 August
Clear. High 79°, low 70°.
0.07
Castle Marina, Tuesday, 25 August
Climate normal for this date — 60-year average.
0.06
Castle Marina, Wednesday, 26 August
Climate normal for this date — 60-year average.
0.17
Castle Marina, Thursday, 27 August
Climate normal for this date — 60-year average.
0.17Castle Marina, Friday, 28 August
Climate normal for this date — 60-year average.
0.12Castle Marina, Saturday, 29 August
Climate normal for this date — 60-year average.
0.07Castle Marina, Sunday, 30 August
Climate normal for this date — 60-year average.
0.09Castle Marina, Monday, 31 August
Climate normal for this date — 60-year average.
0.16Castle Marina, Tuesday, 1 September
Climate normal for this date — 60-year average.
0.13Castle Marina, Wednesday, 2 September
Climate normal for this date — 60-year average.
0.12Castle Marina, Thursday, 3 September
Climate normal for this date — 60-year average.
0.09Castle Marina, Friday, 4 September
Climate normal for this date — 60-year average.
0.13Castle Marina, Saturday, 5 September
Climate normal for this date — 60-year average.
0.22Castle Marina, Sunday, 6 September
Climate normal for this date — 60-year average.
0.09Castle Marina, 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 Castle Marina, 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 Castle Marina, 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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