Weather in Petersburg, IN
Petersburg, Sunday, 9 August, 20:28
Clear. Feels like 90°. High 89°, low 70°.
Monthly outlook for Petersburg, IN: average high 92.5°, average low 72.7°. That is 4.3° above the climate normal for August. Precipitation is expected on 6 days (about 0.4 inches), against a normal of 5 days and 1.6 inches. The warmest day looks like 18 August (97.1°), the coolest 23 August (65°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 9 August – 18 August | 92.3° | 84.7° | +4.2° |
| 19 August – 28 August | 93° | 85° | +4.4° |
| 29 August – 7 September | at normal | 83.1° | — |
August records over 66 years
0Petersburg, Monday, 10 August
Clear. High 94°, low 75°.
0.01
Petersburg, Tuesday, 11 August
Light rain. High 94°, low 75°.
0.14Petersburg, Wednesday, 12 August
Light rain. High 89°, low 72°.
0.05Petersburg, Thursday, 13 August
Light rain. High 88°, low 70°.
0.04Petersburg, Friday, 14 August
Light rain. High 91°, low 73°.
0
Petersburg, Saturday, 15 August
Mostly clear. High 96°, low 76°.
0Petersburg, Sunday, 16 August
Mostly clear. High 94°, low 77°.
0.09Petersburg, Monday, 17 August
Light rain. High 90°, low 69°.
0
Petersburg, Tuesday, 18 August
Overcast. High 97°, low 77°.
0Petersburg, Wednesday, 19 August
Overcast. High 92°, low 76°.
0.04Petersburg, Thursday, 20 August
Light rain. High 96°, low 75°.
0.05Petersburg, Friday, 21 August
Light rain. High 96°, low 73°.
0Petersburg, Saturday, 22 August
Mostly clear. High 90°, low 69°.
0Petersburg, Sunday, 23 August
Clear. High 90°, low 65°.
0Petersburg, Monday, 24 August
Clear. High 94°, low 70°.
0.06
Petersburg, Tuesday, 25 August
Climate normal for this date — 60-year average.
0.07Petersburg, Wednesday, 26 August
Climate normal for this date — 60-year average.
0.13
Petersburg, Thursday, 27 August
Climate normal for this date — 60-year average.
0.15Petersburg, Friday, 28 August
Climate normal for this date — 60-year average.
0.09Petersburg, Saturday, 29 August
Climate normal for this date — 60-year average.
0.18Petersburg, Sunday, 30 August
Climate normal for this date — 60-year average.
0.06Petersburg, Monday, 31 August
Climate normal for this date — 60-year average.
0.12Petersburg, Tuesday, 1 September
Climate normal for this date — 60-year average.
0.17Petersburg, Wednesday, 2 September
Climate normal for this date — 60-year average.
0.13Petersburg, Thursday, 3 September
Climate normal for this date — 60-year average.
0.1Petersburg, Friday, 4 September
Climate normal for this date — 60-year average.
0.1Petersburg, Saturday, 5 September
Climate normal for this date — 60-year average.
0.03Petersburg, Sunday, 6 September
Climate normal for this date — 60-year average.
0.04Petersburg, 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 Petersburg, 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 Petersburg, 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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