Weather in San Leon, TX
San Leon, Wednesday, 14 October, 16:01
Mostly clear. Feels like 97°. High 87°, low 81°.
Monthly outlook for San Leon, TX: average high 78°, average low 70.3°. That is 0.7° above the climate normal for October. Precipitation is expected on 5 days (about 0.9 inches), against a normal of 5 days and 2.2 inches. The warmest day looks like 15 October (87.5°), the coolest 17 October (59.8°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 14 October – 23 October | 78.6° | 77.6° | +0.6° |
| 24 October – 2 November | 77° | 74.8° | +1.3° |
| 3 November – 12 November | at normal | 72.1° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Texas City (6 mi).
0.02
San Leon, Thursday, 15 October
Light rain. High 88°, low 80°.
0.37San Leon, Friday, 16 October
Rain. High 79°, low 67°.
0
San Leon, Saturday, 17 October
Clear. High 69°, low 60°.
0San Leon, Sunday, 18 October
Clear. High 70°, low 61°.
0San Leon, Monday, 19 October
Clear. High 73°, low 63°.
0
San Leon, Tuesday, 20 October
Overcast. High 79°, low 68°.
0San Leon, Wednesday, 21 October
Clear. High 80°, low 75°.
0San Leon, Thursday, 22 October
Clear. High 80°, low 76°.
0.01San Leon, Friday, 23 October
Light rain. High 82°, low 76°.
0.07San Leon, Saturday, 24 October
Light rain. High 82°, low 76°.
0.07San Leon, Sunday, 25 October
Light rain. High 82°, low 74°.
0San Leon, Monday, 26 October
Overcast. High 76°, low 67°.
0
San Leon, Tuesday, 27 October
Partly cloudy. High 72°, low 64°.
0.09San Leon, Wednesday, 28 October
Light rain. High 73°, low 66°.
0.23San Leon, Thursday, 29 October
Light rain. High 78°, low 70°.
0.2
San Leon, Friday, 30 October
Climate normal for this date — 60-year average.
0.15San Leon, Saturday, 31 October
Climate normal for this date — 60-year average.
0.22San Leon, Sunday, 1 November
Climate normal for this date — 60-year average.
0.2San Leon, Monday, 2 November
Climate normal for this date — 60-year average.
0.07San Leon, Tuesday, 3 November
Climate normal for this date — 60-year average.
0.07San Leon, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.1San Leon, Thursday, 5 November
Climate normal for this date — 60-year average.
0.11San Leon, Friday, 6 November
Climate normal for this date — 60-year average.
0.11San Leon, Saturday, 7 November
Climate normal for this date — 60-year average.
0.08San Leon, Sunday, 8 November
Climate normal for this date — 60-year average.
0.09San Leon, Monday, 9 November
Climate normal for this date — 60-year average.
0.09San Leon, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.1San Leon, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.12San Leon, Thursday, 12 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 Leon, 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 Leon, 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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