Weather in South Bethany, DE
South Bethany, Sunday, 9 August, 03:06
Overcast. Feels like 80°. High 88°, low 77°.
Monthly outlook for South Bethany, DE: average high 79.9°, average low 72.3°. That is 0.4° below the climate normal for August. Precipitation is expected on 5 days (about 0.9 inches), against a normal of 6 days and 2.5 inches. The warmest day looks like 10 August (88.8°), the coolest 15 August (65.7°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 9 August – 18 August | 79.9° | 81.2° | -0.7° |
| 19 August – 28 August | 79.8° | 79.9° | -0° |
| 29 August – 7 September | at normal | 78.9° | — |
August records over 66 years
0
South Bethany, Monday, 10 August
Clear. High 89°, low 75°.
0South Bethany, Tuesday, 11 August
Overcast. High 83°, low 76°.
0.02
South Bethany, Wednesday, 12 August
Light rain. High 85°, low 74°.
0.17South Bethany, Thursday, 13 August
Light rain. High 83°, low 74°.
0South Bethany, Friday, 14 August
Overcast. High 77°, low 68°.
0South Bethany, Saturday, 15 August
Overcast. High 75°, low 66°.
0South Bethany, Sunday, 16 August
Overcast. High 72°, low 66°.
0.37South Bethany, Monday, 17 August
Rain. High 72°, low 68°.
0.18South Bethany, Tuesday, 18 August
Light rain. High 75°, low 70°.
0
South Bethany, Wednesday, 19 August
Mostly clear. High 76°, low 73°.
0South Bethany, Thursday, 20 August
Clear. High 77°, low 72°.
0.07South Bethany, Friday, 21 August
Light rain. High 81°, low 72°.
0.07South Bethany, Saturday, 22 August
Light rain. High 80°, low 75°.
0South Bethany, Sunday, 23 August
Clear. High 81°, low 75°.
0.02South Bethany, Monday, 24 August
Light rain. High 85°, low 75°.
0.04
South Bethany, Tuesday, 25 August
Climate normal for this date — 60-year average.
0.07South Bethany, Wednesday, 26 August
Climate normal for this date — 60-year average.
0.12South Bethany, Thursday, 27 August
Climate normal for this date — 60-year average.
0.18
South Bethany, Friday, 28 August
Climate normal for this date — 60-year average.
0.11South Bethany, Saturday, 29 August
Climate normal for this date — 60-year average.
0.09South Bethany, Sunday, 30 August
Climate normal for this date — 60-year average.
0.07South Bethany, Monday, 31 August
Climate normal for this date — 60-year average.
0.22South Bethany, Tuesday, 1 September
Climate normal for this date — 60-year average.
0.1South Bethany, Wednesday, 2 September
Climate normal for this date — 60-year average.
0.1South Bethany, Thursday, 3 September
Climate normal for this date — 60-year average.
0.12South Bethany, Friday, 4 September
Climate normal for this date — 60-year average.
0.08South Bethany, Saturday, 5 September
Climate normal for this date — 60-year average.
0.2South Bethany, Sunday, 6 September
Climate normal for this date — 60-year average.
0.09South Bethany, 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 South Bethany, 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 South Bethany, 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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