Weather in South Washington, IN
South Washington, Sunday, 9 August, 10:39
Partly cloudy. Feels like 79°. High 90°, low 70°.
Monthly outlook for South Washington, IN: average high 85.5°, average low 67.3°. That is 0.4° above the climate normal for August. Precipitation is expected on 4 days (about 2.0 inches), against a normal of 5 days and 1.6 inches. The warmest day looks like 10 August (94.3°), the coolest 24 August (58.6°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 9 August – 18 August | 86.6° | 84.7° | +1° |
| 19 August – 28 August | 83.7° | 85° | -0.7° |
| 29 August – 7 September | at normal | 83.1° | — |
August records over 66 years
Climate normals and records are computed from the nearest reference point — Petersburg (11 mi).
0
South Washington, Monday, 10 August
Clear. High 94°, low 75°.
0
South Washington, Tuesday, 11 August
Overcast. High 92°, low 74°.
0.05
South Washington, Wednesday, 12 August
Light rain. High 88°, low 74°.
0.56South Washington, Thursday, 13 August
Rain. High 83°, low 70°.
1.22South Washington, Friday, 14 August
Heavy rain. High 85°, low 70°.
0South Washington, Saturday, 15 August
Overcast. High 79°, low 68°.
0South Washington, Sunday, 16 August
Partly cloudy. High 91°, low 70°.
0South Washington, Monday, 17 August
Partly cloudy. High 80°, low 66°.
0.03South Washington, Tuesday, 18 August
Light rain. High 83°, low 64°.
0South Washington, Wednesday, 19 August
Clear. High 88°, low 69°.
0South Washington, Thursday, 20 August
Clear. High 79°, low 61°.
0South Washington, Friday, 21 August
Clear. High 84°, low 62°.
0.15South Washington, Saturday, 22 August
Light rain. High 91°, low 66°.
0South Washington, Sunday, 23 August
Clear. High 79°, low 62°.
0South Washington, Monday, 24 August
Clear. High 82°, low 59°.
0.06South Washington, Tuesday, 25 August
Climate normal for this date — 60-year average.
0.07South Washington, Wednesday, 26 August
Climate normal for this date — 60-year average.
0.13
South Washington, Thursday, 27 August
Climate normal for this date — 60-year average.
0.15South Washington, Friday, 28 August
Climate normal for this date — 60-year average.
0.09South Washington, Saturday, 29 August
Climate normal for this date — 60-year average.
0.18South Washington, Sunday, 30 August
Climate normal for this date — 60-year average.
0.06South Washington, Monday, 31 August
Climate normal for this date — 60-year average.
0.12South Washington, Tuesday, 1 September
Climate normal for this date — 60-year average.
0.17South Washington, Wednesday, 2 September
Climate normal for this date — 60-year average.
0.13South Washington, Thursday, 3 September
Climate normal for this date — 60-year average.
0.1South Washington, Friday, 4 September
Climate normal for this date — 60-year average.
0.1South Washington, Saturday, 5 September
Climate normal for this date — 60-year average.
0.03
South Washington, Sunday, 6 September
Climate normal for this date — 60-year average.
0.04South Washington, 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 Washington, 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 Washington, 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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