10-day forecast for Key, TX: 40° to 90°, with precipitation expected on 4 days. The table below breaks each day into morning, afternoon, evening and overnight.
90°
Best day: Monday, October 12
70° · 2.25 in
Worst day: Thursday, October 15
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 1290° / 68°0
Morning68°feels 68°
Afternoon88°feels 88°
Evening83°feels 84°
Overnight73°feels 73°
90 °
Key, Monday, 12 October
Clear. High 90°, low 68°.
Pressure29.94 inHg
Wind12.7 mph S
Humidity53%
Visibility6.2 mi
Dew point63°
Tue, 1390° / 72°0.17
Morning72°feels 73°
Afternoon86°feels 88°
Evening79°feels 79°
Overnight75°feels 75°
90 °
Key, Tuesday, 13 October
Rain. High 90°, low 72°.
Pressure29.91 inHg
Wind7.7 mph S
Humidity89%
Visibility3.5 mi
Dew point71°
Wed, 1486° / 72°0.43
Morning72°feels 73°
Afternoon86°feels 88°
Evening73°feels 74°
Overnight77°feels 77°
86 °
Key, Wednesday, 14 October
Rain. High 86°, low 72°.
Pressure29.88 inHg
Wind11.5 mph S
Humidity58%
Visibility6.2 mi
Dew point66°
Thu, 1570° / 65°2.25
Morning68°feels 70°
Afternoon69°feels 71°
Evening67°feels 68°
Overnight69°feels 71°
70 °
Key, Thursday, 15 October
Heavy rain. High 70°, low 65°.
Pressure30.00 inHg
Wind18.5 mph NE
Humidity93%
Visibility—
Dew point67°
Fri, 1662° / 52°1.34
Morning54°feels 53°
Afternoon58°feels 57°
Evening57°feels 55°
Overnight54°feels 51°
62 °
Key, Friday, 16 October
Heavy rain. High 62°, low 52°.
Pressure30.45 inHg
Wind22.7 mph NE
Humidity57%
Visibility—
Dew point42°
Sat, 1755° / 42°0
Morning44°feels 39°
Afternoon51°feels 47°
Evening50°feels 46°
Overnight45°feels 40°
55 °
Key, Saturday, 17 October
Clear. High 55°, low 42°.
Pressure30.59 inHg
Wind15.4 mph NE
Humidity24%
Visibility—
Dew point15°
Sun, 1862° / 40°0
Morning44°feels 40°
Afternoon57°feels 53°
Evening57°feels 54°
Overnight50°feels 47°
62 °
Key, Sunday, 18 October
Clear. High 62°, low 40°.
Pressure30.36 inHg
Wind14.9 mph S
Humidity28%
Visibility—
Dew point22°
Mon, 1967° / 48°0
Morning52°feels 49°
Afternoon62°feels 60°
Evening62°feels 60°
Overnight56°feels 54°
67 °
Key, Monday, 19 October
Overcast. High 67°, low 48°.
Pressure30.24 inHg
Wind17.5 mph S
Humidity37%
Visibility—
Dew point34°
Tue, 2072° / 54°0
Morning57°feels 57°
Afternoon64°feels 63°
Evening64°feels 64°
Overnight59°feels 59°
72 °
Key, Tuesday, 20 October
Overcast. High 72°, low 54°.
Pressure30.09 inHg
Wind19.6 mph S
Humidity72%
Visibility—
Dew point53°
About this forecast
How reliable is a 10-day forecast?
The first 3–5 days are the most reliable, typically within 2–4°. From day six to ten the models show the trend: the direction of change is right more often than the exact numbers.
What does the time-of-day table show?
Temperature in Key, TX around 8am, 2pm, 8pm and 2am each day — handy for planning a walk, a drive or work outdoors.
How is the best day chosen?
We weigh the daytime high against precipitation: a warm, dry day scores highest.