10-day forecast for Key, TX: 49° to 92°, with precipitation expected on 5 days. The table below breaks each day into morning, afternoon, evening and overnight.
92°
Best day: Monday, October 12
72° · 2.17 in
Worst day: Thursday, October 15
Tap any day below to see morning, afternoon, evening and overnight.
Tue, 1388° / 71°0.07
Morning71°feels 72°
Afternoon88°feels 90°
Evening78°feels 78°
Overnight74°feels 74°
88 °
Key, Tuesday, 13 October
Light rain. High 88°, low 71°.
Pressure29.88 inHg
Wind11 mph S
Humidity56%
Visibility6.2 mi
Dew point66°
Wed, 1481° / 68°1.72
Morning69°feels 70°
Afternoon77°feels 78°
Evening71°feels 72°
Overnight75°feels 76°
81 °
Key, Wednesday, 14 October
Heavy rain. High 81°, low 68°.
Pressure29.91 inHg
Wind10.8 mph S
Humidity72%
Visibility3.1 mi
Dew point68°
Thu, 1572° / 67°2.17
Morning70°feels 71°
Afternoon71°feels 72°
Evening68°feels 69°
Overnight70°feels 71°
72 °
Key, Thursday, 15 October
Heavy rain. High 72°, low 67°.
Pressure29.97 inHg
Wind7.3 mph S
Humidity88%
Visibility3.4 mi
Dew point69°
Fri, 1667° / 53°0.84
Morning57°feels 57°
Afternoon55°feels 53°
Evening53°feels 50°
Overnight66°feels 67°
67 °
Key, Friday, 16 October
Rain. High 67°, low 53°.
Pressure30.42 inHg
Wind24.3 mph NE
Humidity82%
Visibility—
Dew point50°
Sat, 1761° / 49°0
Morning51°feels 47°
Afternoon57°feels 55°
Evening58°feels 56°
Overnight54°feels 51°
61 °
Key, Saturday, 17 October
Overcast. High 61°, low 49°.
Pressure30.36 inHg
Wind13.5 mph NE
Humidity58%
Visibility—
Dew point41°
Sun, 1870° / 50°0
Morning55°feels 52°
Afternoon65°feels 64°
Evening65°feels 64°
Overnight59°feels 58°
70 °
Key, Sunday, 18 October
Partly cloudy. High 70°, low 50°.
Pressure30.15 inHg
Wind15.9 mph S
Humidity48%
Visibility—
Dew point43°
Mon, 1976° / 60°0
Morning63°feels 62°
Afternoon72°feels 71°
Evening70°feels 70°
Overnight65°feels 64°
76 °
Key, Monday, 19 October
Partly cloudy. High 76°, low 60°.
Pressure30.06 inHg
Wind14.5 mph S
Humidity52%
Visibility—
Dew point52°
Tue, 2076° / 60°0.07
Morning64°feels 64°
Afternoon73°feels 72°
Evening70°feels 69°
Overnight67°feels 67°
76 °
Key, Tuesday, 20 October
Light rain. High 76°, low 60°.
Pressure30.03 inHg
Wind18.3 mph SE
Humidity53%
Visibility—
Dew point53°
Wed, 2173° / 64°0.02
Morning66°feels 66°
Afternoon69°feels 69°
Evening70°feels 70°
Overnight67°feels 67°
73 °
Key, Wednesday, 21 October
Light rain. High 73°, low 64°.
Pressure30.00 inHg
Wind19.5 mph SE
Humidity71%
Visibility—
Dew point58°
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.