10-day forecast for Key, TX: 40° to 78°, with precipitation expected on 2 days. The table below breaks each day into morning, afternoon, evening and overnight.
78°
Best day: Friday, October 23
61° · 0.17 in
Worst day: Tuesday, October 27
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 1970° / 46°0
Morning46°feels 44°
Afternoon68°feels 66°
Evening61°feels 59°
Overnight50°feels 47°
70 °
Key, Monday, 19 October
Clear. High 70°, low 46°.
Pressure30.21 inHg
Wind8.8 mph S
Humidity46%
Visibility6.2 mi
Dew point42°
Tue, 2072° / 49°0
Morning49°feels 48°
Afternoon71°feels 70°
Evening64°feels 63°
Overnight53°feels 52°
72 °
Key, Tuesday, 20 October
Clear. High 72°, low 49°.
Pressure30.21 inHg
Wind8.6 mph S
Humidity49%
Visibility6.2 mi
Dew point46°
Wed, 2176° / 54°0
Morning57°feels 57°
Afternoon74°feels 74°
Evening68°feels 68°
Overnight57°feels 56°
76 °
Key, Wednesday, 21 October
Mostly clear. High 76°, low 54°.
Pressure30.21 inHg
Wind6.3 mph S
Humidity67%
Visibility6.2 mi
Dew point58°
Thu, 2277° / 57°0
Morning62°feels 62°
Afternoon74°feels 73°
Evening69°feels 69°
Overnight60°feels 60°
77 °
Key, Thursday, 22 October
Overcast. High 77°, low 57°.
Pressure30.12 inHg
Wind9.8 mph SE
Humidity41%
Visibility—
Dew point47°
Fri, 2378° / 59°0
Morning64°feels 64°
Afternoon73°feels 73°
Evening72°feels 71°
Overnight65°feels 64°
78 °
Key, Friday, 23 October
Overcast. High 78°, low 59°.
Pressure30.00 inHg
Wind18.6 mph S
Humidity55%
Visibility—
Dew point54°
Sat, 2472° / 61°0
Morning63°feels 62°
Afternoon68°feels 67°
Evening70°feels 69°
Overnight67°feels 66°
72 °
Key, Saturday, 24 October
Light rain. High 72°, low 61°.
Pressure30.09 inHg
Wind16.8 mph SE
Humidity64%
Visibility—
Dew point54°
Sun, 2566° / 48°0.04
Morning61°feels 60°
Afternoon55°feels 53°
Evening49°feels 42°
Overnight51°feels 45°
66 °
Key, Sunday, 25 October
Light rain. High 66°, low 48°.
Pressure30.30 inHg
Wind25.5 mph NE
Humidity88%
Visibility—
Dew point53°
Mon, 2667° / 46°0
Morning50°feels 44°
Afternoon59°feels 57°
Evening62°feels 61°
Overnight57°feels 54°
67 °
Key, Monday, 26 October
Overcast. High 67°, low 46°.
Pressure30.30 inHg
Wind19.6 mph NE
Humidity64%
Visibility—
Dew point44°
Tue, 2761° / 53°0.17
Morning55°feels 54°
Afternoon55°feels 54°
Evening57°feels 56°
Overnight56°feels 55°
61 °
Key, Tuesday, 27 October
Light rain. High 61°, low 53°.
Pressure30.24 inHg
Wind17.3 mph SE
Humidity93%
Visibility—
Dew point52°
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.