Weather in Katy, TX
Katy, Saturday, 10 October, 04:13
Clear. Feels like 67°. High 91°, low 66°.
Monthly outlook for Katy, TX: average high 84.1°, average low 64.6°. That is 2.2° above the climate normal for October. Precipitation is expected on 3 days (about 0.3 inches), against a normal of 5 days and 2.1 inches. The warmest day looks like 12 October (93.6°), the coolest 18 October (47.5°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 10 October – 19 October | 84.6° | 81.2° | +1.9° |
| 20 October – 29 October | 83.3° | 78° | +3° |
| 30 October – 8 November | at normal | 74.4° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Fulshear (7 mi).
0
Katy, Sunday, 11 October
Partly cloudy. High 92°, low 65°.
0.11
Katy, Monday, 12 October
Rain. High 94°, low 74°.
0.09Katy, Tuesday, 13 October
Light rain. High 92°, low 77°.
0.07Katy, Wednesday, 14 October
Light rain. High 92°, low 78°.
0
Katy, Thursday, 15 October
Mostly clear. High 89°, low 73°.
0
Katy, Friday, 16 October
Clear. High 89°, low 70°.
0
Katy, Saturday, 17 October
Overcast. High 73°, low 58°.
0Katy, Sunday, 18 October
Clear. High 65°, low 48°.
0Katy, Monday, 19 October
Clear. High 70°, low 48°.
0Katy, Tuesday, 20 October
Overcast. High 75°, low 51°.
0Katy, Wednesday, 21 October
Overcast. High 77°, low 60°.
0Katy, Thursday, 22 October
Clear. High 86°, low 63°.
0Katy, Friday, 23 October
Clear. High 87°, low 67°.
0Katy, Saturday, 24 October
Overcast. High 87°, low 66°.
0.03Katy, Sunday, 25 October
Light rain. High 88°, low 69°.
0.12Katy, Monday, 26 October
Climate normal for this date — 60-year average.
0.08Katy, Tuesday, 27 October
Climate normal for this date — 60-year average.
0.15Katy, Wednesday, 28 October
Climate normal for this date — 60-year average.
0.11
Katy, Thursday, 29 October
Climate normal for this date — 60-year average.
0.15Katy, Friday, 30 October
Climate normal for this date — 60-year average.
0.19Katy, Saturday, 31 October
Climate normal for this date — 60-year average.
0.14Katy, Sunday, 1 November
Climate normal for this date — 60-year average.
0.1Katy, Monday, 2 November
Climate normal for this date — 60-year average.
0.09Katy, Tuesday, 3 November
Climate normal for this date — 60-year average.
0.12Katy, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.08Katy, Thursday, 5 November
Climate normal for this date — 60-year average.
0.11Katy, Friday, 6 November
Climate normal for this date — 60-year average.
0.08Katy, Saturday, 7 November
Climate normal for this date — 60-year average.
0.11Katy, 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 Katy, 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 Katy, 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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