Weather in San Leon, TX
San Leon, Saturday, 10 October, 21:09
Clear. Feels like 76°. High 85°, low 74°.
Monthly outlook for San Leon, TX: average high 77.7°, average low 69.1°. That is 0.1° below the climate normal for October. Precipitation is expected on 2 days (about 0.2 inches), against a normal of 5 days and 2.1 inches. The warmest day looks like 16 October (85.3°), the coolest 18 October (50.2°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 10 October – 19 October | 78.3° | 78.6° | -0.2° |
| 20 October – 29 October | 76.8° | 76° | +0.4° |
| 30 October – 8 November | at normal | 73° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Texas City (6 mi).
0
San Leon, Sunday, 11 October
Overcast. High 82°, low 77°.
0.08
San Leon, Monday, 12 October
Rain. High 85°, low 80°.
0.11San Leon, Tuesday, 13 October
Light rain. High 83°, low 81°.
0.04San Leon, Wednesday, 14 October
Light rain. High 83°, low 81°.
0
San Leon, Thursday, 15 October
Partly cloudy. High 82°, low 79°.
0San Leon, Friday, 16 October
Light rain. High 85°, low 68°.
0San Leon, Saturday, 17 October
Partly cloudy. High 68°, low 58°.
0
San Leon, Sunday, 18 October
Clear. High 63°, low 50°.
0San Leon, Monday, 19 October
Clear. High 67°, low 54°.
0San Leon, Tuesday, 20 October
Clear. High 73°, low 61°.
0San Leon, Wednesday, 21 October
Overcast. High 75°, low 64°.
0San Leon, Thursday, 22 October
Clear. High 78°, low 68°.
0San Leon, Friday, 23 October
Partly cloudy. High 79°, low 68°.
0San Leon, Saturday, 24 October
Overcast. High 77°, low 70°.
0San Leon, Sunday, 25 October
Overcast. High 78°, low 71°.
0.2San Leon, Monday, 26 October
Climate normal for this date — 60-year average.
0.11San Leon, Tuesday, 27 October
Climate normal for this date — 60-year average.
0.17San Leon, Wednesday, 28 October
Climate normal for this date — 60-year average.
0.13San Leon, Thursday, 29 October
Climate normal for this date — 60-year average.
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.
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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