Weather in Mostyn, TX
Mostyn, Wednesday, 7 October, 18:28
Clear. Feels like 92°. High 89°, low 69°.
Monthly outlook for Mostyn, TX: average high 87.5°, average low 70.1°. That is 4.1° above the climate normal for October. Precipitation is expected on 3 days (about 2.0 inches), against a normal of 5 days and 2.0 inches. The warmest day looks like 16 October (91.9°), the coolest 22 October (64.7°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 7 October – 16 October | 89.9° | 81.1° | +4.9° |
| 17 October – 26 October | 83.6° | 77.9° | +3.2° |
| 27 October – 5 November | at normal | 74.1° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Tomball (10 mi).
0Mostyn, Thursday, 8 October
Clear. High 91°, low 72°.
0.07
Mostyn, Friday, 9 October
Rain. High 88°, low 68°.
0Mostyn, Saturday, 10 October
Clear. High 87°, low 68°.
0Mostyn, Sunday, 11 October
Clear. High 90°, low 66°.
0Mostyn, Monday, 12 October
Clear. High 90°, low 68°.
0
Mostyn, Tuesday, 13 October
Partly cloudy. High 91°, low 73°.
0.01Mostyn, Wednesday, 14 October
Light rain. High 91°, low 76°.
0Mostyn, Thursday, 15 October
Partly cloudy. High 90°, low 76°.
0
Mostyn, Friday, 16 October
Overcast. High 92°, low 73°.
0
Mostyn, Saturday, 17 October
Mostly clear. High 90°, low 70°.
0Mostyn, Sunday, 18 October
Overcast. High 86°, low 70°.
0Mostyn, Monday, 19 October
Overcast. High 86°, low 67°.
0Mostyn, Tuesday, 20 October
Overcast. High 86°, low 69°.
0.39Mostyn, Wednesday, 21 October
Rain. High 80°, low 72°.
1.57Mostyn, Thursday, 22 October
Heavy rain. High 73°, low 65°.
0.22
Mostyn, Friday, 23 October
Climate normal for this date — 60-year average.
0.1Mostyn, Saturday, 24 October
Climate normal for this date — 60-year average.
0.26Mostyn, Sunday, 25 October
Climate normal for this date — 60-year average.
0.15Mostyn, Monday, 26 October
Climate normal for this date — 60-year average.
0.1Mostyn, Tuesday, 27 October
Climate normal for this date — 60-year average.
0.15Mostyn, Wednesday, 28 October
Climate normal for this date — 60-year average.
0.12Mostyn, Thursday, 29 October
Climate normal for this date — 60-year average.
0.17Mostyn, Friday, 30 October
Climate normal for this date — 60-year average.
0.22Mostyn, Saturday, 31 October
Climate normal for this date — 60-year average.
0.19Mostyn, Sunday, 1 November
Climate normal for this date — 60-year average.
0.12Mostyn, Monday, 2 November
Climate normal for this date — 60-year average.
0.09Mostyn, Tuesday, 3 November
Climate normal for this date — 60-year average.
0.14Mostyn, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.12Mostyn, Thursday, 5 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 Mostyn, 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 Mostyn, 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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