Weather in Petersburg, TX
Petersburg, Sunday, 9 August, 09:09
Clear. Feels like 78°. High 97°, low 74°.
Monthly outlook for Petersburg, TX: average high 100.8°, average low 73.9°. That is 6.7° above the climate normal for August. Precipitation is expected on 3 days (about 0.3 inches), against a normal of 4 days and 1.0 inches. The warmest day looks like 21 August (105.5°), the coolest 17 August (70.6°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 9 August – 18 August | 99.4° | 88.8° | +5.9° |
| 19 August – 28 August | 103.2° | 88.2° | +8.4° |
| 29 August – 7 September | at normal | 85.4° | — |
August records over 66 years
0Petersburg, Monday, 10 August
Clear. High 98°, low 72°.
0Petersburg, Tuesday, 11 August
Clear. High 99°, low 74°.
0.02
Petersburg, Wednesday, 12 August
Light rain. High 100°, low 78°.
0.03Petersburg, Thursday, 13 August
Light rain. High 100°, low 72°.
0Petersburg, Friday, 14 August
Light rain. High 101°, low 76°.
0Petersburg, Saturday, 15 August
Clear. High 98°, low 74°.
0Petersburg, Sunday, 16 August
Clear. High 98°, low 72°.
0Petersburg, Monday, 17 August
Clear. High 100°, low 71°.
0Petersburg, Tuesday, 18 August
Clear. High 103°, low 73°.
0Petersburg, Wednesday, 19 August
Clear. High 105°, low 74°.
0.01Petersburg, Thursday, 20 August
Light rain. High 104°, low 76°.
0.07Petersburg, Friday, 21 August
Light rain. High 105°, low 73°.
0.06Petersburg, Saturday, 22 August
Light rain. High 104°, low 71°.
0Petersburg, Sunday, 23 August
Light rain. High 102°, low 76°.
0.07Petersburg, Monday, 24 August
Light rain. High 99°, low 77°.
0.08
Petersburg, Tuesday, 25 August
Climate normal for this date — 60-year average.
0.06Petersburg, Wednesday, 26 August
Climate normal for this date — 60-year average.
0.09Petersburg, Thursday, 27 August
Climate normal for this date — 60-year average.
0.07
Petersburg, Friday, 28 August
Climate normal for this date — 60-year average.
0.06Petersburg, Saturday, 29 August
Climate normal for this date — 60-year average.
0.1Petersburg, Sunday, 30 August
Climate normal for this date — 60-year average.
0.1Petersburg, Monday, 31 August
Climate normal for this date — 60-year average.
0.06Petersburg, Tuesday, 1 September
Climate normal for this date — 60-year average.
0.07Petersburg, Wednesday, 2 September
Climate normal for this date — 60-year average.
0.04Petersburg, Thursday, 3 September
Climate normal for this date — 60-year average.
0.09Petersburg, Friday, 4 September
Climate normal for this date — 60-year average.
0.03Petersburg, Saturday, 5 September
Climate normal for this date — 60-year average.
0.06Petersburg, Sunday, 6 September
Climate normal for this date — 60-year average.
0.04
Petersburg, 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, TX 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, TX 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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