Weather in South Haven, IN
South Haven, Sunday, 9 August, 00:20
Clear. Feels like 66°. High 86°, low 65°.
Monthly outlook for South Haven, IN: average high 77.3°, average low 63.6°. That is 1.4° below the climate normal for August. Precipitation is expected on 4 days (about 1.1 inches), against a normal of 6 days and 1.9 inches. The warmest day looks like 10 August (86.5°), the coolest 22 August (54.5°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 9 August – 18 August | 78.5° | 79.9° | -0.8° |
| 19 August – 28 August | 75.3° | 80° | -2.6° |
| 29 August – 7 September | at normal | 78.4° | — |
August records over 66 years
Climate normals and records are computed from the nearest reference point — Salt Creek Commons (2 mi).
0.63
South Haven, Monday, 10 August
Heavy rain. High 87°, low 72°.
0.18South Haven, Tuesday, 11 August
Rain. High 79°, low 71°.
0
South Haven, Wednesday, 12 August
Overcast. High 78°, low 68°.
0South Haven, Thursday, 13 August
Overcast. High 72°, low 59°.
0
South Haven, Friday, 14 August
Clear. High 74°, low 59°.
0.01South Haven, Saturday, 15 August
Light rain. High 74°, low 60°.
0South Haven, Sunday, 16 August
Overcast. High 73°, low 62°.
0South Haven, Monday, 17 August
Overcast. High 79°, low 65°.
0South Haven, Tuesday, 18 August
Overcast. High 83°, low 66°.
0.05South Haven, Wednesday, 19 August
Light rain. High 76°, low 67°.
0South Haven, Thursday, 20 August
Overcast. High 68°, low 60°.
0South Haven, Friday, 21 August
Clear. High 71°, low 59°.
0.02South Haven, Saturday, 22 August
Light rain. High 71°, low 55°.
0South Haven, Sunday, 23 August
Clear. High 84°, low 65°.
0
South Haven, Monday, 24 August
Partly cloudy. High 81°, low 64°.
0.11South Haven, Tuesday, 25 August
Climate normal for this date — 60-year average.
0.15
South Haven, Wednesday, 26 August
Climate normal for this date — 60-year average.
0.13South Haven, Thursday, 27 August
Climate normal for this date — 60-year average.
0.15South Haven, Friday, 28 August
Climate normal for this date — 60-year average.
0.09South Haven, Saturday, 29 August
Climate normal for this date — 60-year average.
0.09South Haven, Sunday, 30 August
Climate normal for this date — 60-year average.
0.06South Haven, Monday, 31 August
Climate normal for this date — 60-year average.
0.15South Haven, Tuesday, 1 September
Climate normal for this date — 60-year average.
0.07South Haven, Wednesday, 2 September
Climate normal for this date — 60-year average.
0.07South Haven, Thursday, 3 September
Climate normal for this date — 60-year average.
0.09South Haven, Friday, 4 September
Climate normal for this date — 60-year average.
0.08South Haven, Saturday, 5 September
Climate normal for this date — 60-year average.
0.09South Haven, Sunday, 6 September
Climate normal for this date — 60-year average.
0.1South Haven, 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 Haven, IN 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 Haven, IN 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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