Weather in Blackwater Beach, DE
Blackwater Beach, Sunday, 9 August, 04:10
Overcast. Feels like 79°. High 88°, low 76°.
Monthly outlook for Blackwater Beach, DE: average high 84.5°, average low 70.8°. That is 2.2° above the climate normal for August. Precipitation is expected on 5 days (about 0.8 inches), against a normal of 6 days and 2.5 inches. The warmest day looks like 24 August (96.3°), the coolest 16 August (61.8°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 9 August – 18 August | 82° | 81.2° | +0.5° |
| 19 August – 28 August | 88.6° | 79.9° | +4.9° |
| 29 August – 7 September | at normal | 78.9° | — |
August records over 66 years
Climate normals and records are computed from the nearest reference point — South Bethany (7 mi).
0
Blackwater Beach, Monday, 10 August
Clear. High 90°, low 75°.
0Blackwater Beach, Tuesday, 11 August
Overcast. High 87°, low 76°.
0.01
Blackwater Beach, Wednesday, 12 August
Light rain. High 87°, low 73°.
0.15Blackwater Beach, Thursday, 13 August
Light rain. High 87°, low 72°.
0Blackwater Beach, Friday, 14 August
Overcast. High 78°, low 65°.
0Blackwater Beach, Saturday, 15 August
Overcast. High 77°, low 63°.
0Blackwater Beach, Sunday, 16 August
Overcast. High 77°, low 62°.
0.28Blackwater Beach, Monday, 17 August
Rain. High 72°, low 64°.
0.17Blackwater Beach, Tuesday, 18 August
Light rain. High 77°, low 69°.
0
Blackwater Beach, Wednesday, 19 August
Mostly clear. High 80°, low 70°.
0Blackwater Beach, Thursday, 20 August
Clear. High 84°, low 70°.
0.09Blackwater Beach, Friday, 21 August
Light rain. High 90°, low 70°.
0.08Blackwater Beach, Saturday, 22 August
Light rain. High 90°, low 75°.
0Blackwater Beach, Sunday, 23 August
Clear. High 92°, low 75°.
0.02Blackwater Beach, Monday, 24 August
Light rain. High 96°, low 77°.
0.04
Blackwater Beach, Tuesday, 25 August
Climate normal for this date — 60-year average.
0.07Blackwater Beach, Wednesday, 26 August
Climate normal for this date — 60-year average.
0.12Blackwater Beach, Thursday, 27 August
Climate normal for this date — 60-year average.
0.18
Blackwater Beach, Friday, 28 August
Climate normal for this date — 60-year average.
0.11Blackwater Beach, Saturday, 29 August
Climate normal for this date — 60-year average.
0.09Blackwater Beach, Sunday, 30 August
Climate normal for this date — 60-year average.
0.07Blackwater Beach, Monday, 31 August
Climate normal for this date — 60-year average.
0.22Blackwater Beach, Tuesday, 1 September
Climate normal for this date — 60-year average.
0.1Blackwater Beach, Wednesday, 2 September
Climate normal for this date — 60-year average.
0.1Blackwater Beach, Thursday, 3 September
Climate normal for this date — 60-year average.
0.12Blackwater Beach, Friday, 4 September
Climate normal for this date — 60-year average.
0.08Blackwater Beach, Saturday, 5 September
Climate normal for this date — 60-year average.
0.2Blackwater Beach, Sunday, 6 September
Climate normal for this date — 60-year average.
0.09Blackwater Beach, 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 Blackwater Beach, DE 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 Blackwater Beach, DE 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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