10-day forecast for Key, TX: 42° to 80°, with precipitation expected on 2 days. The table below breaks each day into morning, afternoon, evening and overnight.
80°
Best day: Thursday, October 22
70° · 0.7 in
Worst day: Tuesday, October 27
Tap any day below to see morning, afternoon, evening and overnight.
Tue, 2075° / 52°0
Morning52°feels 51°
Afternoon73°feels 72°
Evening68°feels 67°
Overnight57°feels 56°
75 °
Key, Tuesday, 20 October
Clear. High 75°, low 52°.
Pressure30.21 inHg
Wind9.1 mph SE
Humidity54%
Visibility6.2 mi
Dew point50°
Wed, 2178° / 56°0
Morning56°feels 55°
Afternoon77°feels 76°
Evening69°feels 68°
Overnight60°feels 60°
78 °
Key, Wednesday, 21 October
Partly cloudy. High 78°, low 56°.
Pressure30.21 inHg
Wind6.8 mph S
Humidity55%
Visibility6.2 mi
Dew point55°
Thu, 2280° / 58°0
Morning58°feels 57°
Afternoon78°feels 77°
Evening71°feels 69°
Overnight61°feels 60°
80 °
Key, Thursday, 22 October
Overcast. High 80°, low 58°.
Pressure30.18 inHg
Wind8 mph S
Humidity37%
Visibility6.2 mi
Dew point47°
Fri, 2379° / 59°0
Morning64°feels 63°
Afternoon76°feels 76°
Evening73°feels 72°
Overnight62°feels 61°
79 °
Key, Friday, 23 October
Overcast. High 79°, low 59°.
Pressure30.03 inHg
Wind15.3 mph S
Humidity48%
Visibility—
Dew point53°
Sat, 2470° / 61°0.06
Morning63°feels 62°
Afternoon67°feels 67°
Evening69°feels 69°
Overnight65°feels 65°
70 °
Key, Saturday, 24 October
Light rain. High 70°, low 61°.
Pressure30.06 inHg
Wind13.9 mph S
Humidity76%
Visibility—
Dew point58°
Sun, 2569° / 62°0.01
Morning63°feels 62°
Afternoon66°feels 65°
Evening66°feels 65°
Overnight63°feels 62°
69 °
Key, Sunday, 25 October
Light rain. High 69°, low 62°.
Pressure30.27 inHg
Wind14.4 mph SE
Humidity65%
Visibility—
Dew point53°
Mon, 2672° / 56°0
Morning59°feels 58°
Afternoon68°feels 67°
Evening69°feels 68°
Overnight64°feels 63°
72 °
Key, Monday, 26 October
Overcast. High 72°, low 56°.
Pressure30.12 inHg
Wind18 mph SE
Humidity40%
Visibility—
Dew point41°
Tue, 2770° / 60°0.7
Morning64°feels 64°
Afternoon68°feels 68°
Evening65°feels 65°
Overnight61°feels 61°
70 °
Key, Tuesday, 27 October
Rain. High 70°, low 60°.
Pressure29.91 inHg
Wind17 mph N
Humidity71%
Visibility—
Dew point58°
Wed, 2851° / 42°0.01
Morning43°feels 34°
Afternoon43°feels 35°
Evening46°feels 40°
Overnight44°feels 37°
51 °
Key, Wednesday, 28 October
Light rain. High 51°, low 42°.
Pressure30.42 inHg
Wind24.6 mph N
Humidity76%
Visibility—
Dew point36°
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.