Weather in San Leon, TX
San Leon, Saturday, 8 August, 15:30
Clear. Feels like 103°. High 92°, low 83°.
Monthly outlook for San Leon, TX: average high 90.8°, average low 81°. That is 1.5° above the climate normal for August. Precipitation is expected on 3 days (about 0.5 inches), against a normal of 8 days and 1.9 inches. The warmest day looks like 23 August (94.6°), the coolest 17 August (78.7°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 8 August – 17 August | 90.2° | 88.3° | +1.1° |
| 18 August – 27 August | 91.8° | 87.9° | +2.2° |
| 28 August – 6 September | at normal | 86.6° | — |
August records over 66 years
Climate normals and records are computed from the nearest reference point — Texas City (6 mi).
0.04
San Leon, Sunday, 9 August
Light rain. High 92°, low 83°.
0.44San Leon, Monday, 10 August
Rain. High 86°, low 82°.
0
San Leon, Tuesday, 11 August
Partly cloudy. High 90°, low 82°.
0San Leon, Wednesday, 12 August
Clear. High 91°, low 82°.
0
San Leon, Thursday, 13 August
Overcast. High 90°, low 82°.
0San Leon, Friday, 14 August
Light rain. High 91°, low 81°.
0San Leon, Saturday, 15 August
Partly cloudy. High 90°, low 82°.
0
San Leon, Sunday, 16 August
Mostly clear. High 91°, low 81°.
0San Leon, Monday, 17 August
Overcast. High 90°, low 79°.
0San Leon, Tuesday, 18 August
Overcast. High 90°, low 81°.
0San Leon, Wednesday, 19 August
Clear. High 90°, low 80°.
0San Leon, Thursday, 20 August
Clear. High 90°, low 80°.
0San Leon, Friday, 21 August
Clear. High 92°, low 80°.
0San Leon, Saturday, 22 August
Mostly clear. High 93°, low 80°.
0.01San Leon, Sunday, 23 August
Light rain. High 95°, low 80°.
0.15San Leon, Monday, 24 August
Climate normal for this date — 60-year average.
0.15San Leon, Tuesday, 25 August
Climate normal for this date — 60-year average.
0.19San Leon, Wednesday, 26 August
Climate normal for this date — 60-year average.
0.21San Leon, Thursday, 27 August
Climate normal for this date — 60-year average.
0.22San Leon, Friday, 28 August
Climate normal for this date — 60-year average.
0.33San Leon, Saturday, 29 August
Climate normal for this date — 60-year average.
0.17San Leon, Sunday, 30 August
Climate normal for this date — 60-year average.
0.18San Leon, Monday, 31 August
Climate normal for this date — 60-year average.
0.19San Leon, Tuesday, 1 September
Climate normal for this date — 60-year average.
0.14San Leon, Wednesday, 2 September
Climate normal for this date — 60-year average.
0.19San Leon, Thursday, 3 September
Climate normal for this date — 60-year average.
0.23San Leon, Friday, 4 September
Climate normal for this date — 60-year average.
0.19San Leon, Saturday, 5 September
Climate normal for this date — 60-year average.
0.16San Leon, Sunday, 6 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 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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