Weather in San Antonio, TX
San Antonio, Tuesday, 20 October, 03:27
Clear. Feels like 61°. High 83°, low 59°.
Monthly outlook for San Antonio, TX: average high 79.6°, average low 61°. That is 1.7° above the climate normal for October. Precipitation is expected on 2 days (about 0.2 inches), against a normal of 4 days and 1.7 inches. The warmest day looks like 21 October (86.8°), the coolest 30 October (49.6°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 20 October – 29 October | 79.9° | 77.8° | +1.2° |
| 30 October – 8 November | 79.1° | 74° | +2.8° |
| 9 November – 18 November | at normal | 70.9° | — |
October records over 66 years
0
San Antonio, Wednesday, 21 October
Clear. High 87°, low 57°.
0
San Antonio, Thursday, 22 October
Mostly clear. High 84°, low 62°.
0
San Antonio, Friday, 23 October
Overcast. High 83°, low 64°.
0San Antonio, Saturday, 24 October
Overcast. High 84°, low 65°.
0San Antonio, Sunday, 25 October
Overcast. High 81°, low 66°.
0.07
San Antonio, Monday, 26 October
Light rain. High 84°, low 64°.
0.13San Antonio, Tuesday, 27 October
Rain. High 82°, low 68°.
0San Antonio, Wednesday, 28 October
Overcast. High 73°, low 56°.
0San Antonio, Thursday, 29 October
Overcast. High 59°, low 55°.
0San Antonio, Friday, 30 October
Clear. High 71°, low 50°.
0San Antonio, Saturday, 31 October
Clear. High 79°, low 56°.
0San Antonio, Sunday, 1 November
Overcast. High 80°, low 64°.
0San Antonio, Monday, 2 November
Clear. High 85°, low 68°.
0
San Antonio, Tuesday, 3 November
Partly cloudy. High 82°, low 62°.
0San Antonio, Wednesday, 4 November
Overcast. High 78°, low 60°.
0.09San Antonio, Thursday, 5 November
Climate normal for this date — 60-year average.
0.06San Antonio, Friday, 6 November
Climate normal for this date — 60-year average.
0.06San Antonio, Saturday, 7 November
Climate normal for this date — 60-year average.
0.18San Antonio, Sunday, 8 November
Climate normal for this date — 60-year average.
0.07San Antonio, Monday, 9 November
Climate normal for this date — 60-year average.
0.04San Antonio, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.04San Antonio, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.06San Antonio, Thursday, 12 November
Climate normal for this date — 60-year average.
0.06San Antonio, Friday, 13 November
Climate normal for this date — 60-year average.
0.05San Antonio, Saturday, 14 November
Climate normal for this date — 60-year average.
0.09San Antonio, Sunday, 15 November
Climate normal for this date — 60-year average.
0.11
San Antonio, Monday, 16 November
Climate normal for this date — 60-year average.
0.17San Antonio, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.09San Antonio, Wednesday, 18 November
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 San Antonio, 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 San Antonio, 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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