Weather in Hiawatha Beach, SD
Hiawatha Beach, Sunday, 9 August, 09:24
Clear. Feels like 69°. High 85°, low 65°.
Monthly outlook for Hiawatha Beach, SD: average high 87.8°, average low 62.7°. That is 4.6° above the climate normal for August. Precipitation is expected on 5 days (about 1.2 inches), against a normal of 4 days and 1.7 inches. The warmest day looks like 24 August (102.4°), the coolest 14 August (57.3°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 9 August – 18 August | 85.8° | 79.6° | +3.4° |
| 19 August – 28 August | 91.2° | 79.2° | +6.7° |
| 29 August – 7 September | at normal | 77.4° | — |
August records over 66 years
Climate normals and records are computed from the nearest reference point — Wilmot (7 mi).
0
Hiawatha Beach, Monday, 10 August
Partly cloudy. High 89°, low 61°.
0.01
Hiawatha Beach, Tuesday, 11 August
Light rain. High 95°, low 65°.
0Hiawatha Beach, Wednesday, 12 August
Clear. High 91°, low 61°.
0
Hiawatha Beach, Thursday, 13 August
Overcast. High 85°, low 66°.
0.23Hiawatha Beach, Friday, 14 August
Rain. High 82°, low 57°.
0.24Hiawatha Beach, Saturday, 15 August
Light rain. High 62°, low 61°.
0Hiawatha Beach, Sunday, 16 August
Overcast. High 87°, low 59°.
0.08Hiawatha Beach, Monday, 17 August
Light rain. High 89°, low 66°.
0.55Hiawatha Beach, Tuesday, 18 August
Heavy rain. High 93°, low 65°.
0Hiawatha Beach, Wednesday, 19 August
Clear. High 82°, low 59°.
0.02Hiawatha Beach, Thursday, 20 August
Light rain. High 93°, low 63°.
0Hiawatha Beach, Friday, 21 August
Overcast. High 92°, low 65°.
0
Hiawatha Beach, Saturday, 22 August
Mostly clear. High 85°, low 62°.
0Hiawatha Beach, Sunday, 23 August
Clear. High 93°, low 60°.
0Hiawatha Beach, Monday, 24 August
Clear. High 102°, low 67°.
0.09
Hiawatha Beach, Tuesday, 25 August
Climate normal for this date — 60-year average.
0.11Hiawatha Beach, Wednesday, 26 August
Climate normal for this date — 60-year average.
0.06Hiawatha Beach, Thursday, 27 August
Climate normal for this date — 60-year average.
0.07Hiawatha Beach, Friday, 28 August
Climate normal for this date — 60-year average.
0.08Hiawatha Beach, Saturday, 29 August
Climate normal for this date — 60-year average.
0.07Hiawatha Beach, Sunday, 30 August
Climate normal for this date — 60-year average.
0.09Hiawatha Beach, Monday, 31 August
Climate normal for this date — 60-year average.
0.09Hiawatha Beach, Tuesday, 1 September
Climate normal for this date — 60-year average.
0.16Hiawatha Beach, Wednesday, 2 September
Climate normal for this date — 60-year average.
0.07Hiawatha Beach, Thursday, 3 September
Climate normal for this date — 60-year average.
0.07Hiawatha Beach, Friday, 4 September
Climate normal for this date — 60-year average.
0.11Hiawatha Beach, Saturday, 5 September
Climate normal for this date — 60-year average.
0.06Hiawatha Beach, Sunday, 6 September
Climate normal for this date — 60-year average.
0.08Hiawatha 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 Hiawatha Beach, SD 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 Hiawatha Beach, SD 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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