10-day forecast for Key, TX: 46° to 83°, with precipitation expected on 4 days. The table below breaks each day into morning, afternoon, evening and overnight.
83°
Best day: Wednesday, October 21
66° · 0.81 in
Worst day: Sunday, October 25
Tap any day below to see morning, afternoon, evening and overnight.
Wed, 2183° / 57°0
Morning57°feels 57°
Afternoon81°feels 81°
Evening73°feels 72°
Overnight62°feels 62°
83 °
Key, Wednesday, 21 October
Mostly clear. High 83°, low 57°.
Pressure30.18 inHg
Wind5.3 mph S
Humidity55%
Visibility6.2 mi
Dew point56°
Thu, 2280° / 57°0
Morning57°feels 56°
Afternoon79°feels 79°
Evening70°feels 69°
Overnight64°feels 63°
80 °
Key, Thursday, 22 October
Overcast. High 80°, low 57°.
Pressure30.18 inHg
Wind6.6 mph SE
Humidity40%
Visibility6.2 mi
Dew point49°
Fri, 2379° / 60°0
Morning60°feels 59°
Afternoon77°feels 77°
Evening71°feels 69°
Overnight63°feels 62°
79 °
Key, Friday, 23 October
Overcast. High 79°, low 60°.
Pressure30.09 inHg
Wind10.9 mph S
Humidity60%
Visibility6.2 mi
Dew point58°
Sat, 2474° / 61°0.09
Morning62°feels 61°
Afternoon72°feels 71°
Evening70°feels 69°
Overnight62°feels 61°
74 °
Key, Saturday, 24 October
Light rain. High 74°, low 61°.
Pressure30.09 inHg
Wind13.6 mph S
Humidity67%
Visibility6.2 mi
Dew point56°
Sun, 2566° / 61°0.81
Morning62°feels 62°
Afternoon63°feels 64°
Evening63°feels 64°
Overnight62°feels 63°
66 °
Key, Sunday, 25 October
Rain. High 66°, low 61°.
Pressure30.15 inHg
Wind13.3 mph SE
Humidity94%
Visibility—
Dew point61°
Mon, 2668° / 60°0.15
Morning62°feels 62°
Afternoon67°feels 67°
Evening65°feels 65°
Overnight64°feels 63°
68 °
Key, Monday, 26 October
Light rain. High 68°, low 60°.
Pressure30.09 inHg
Wind13.6 mph S
Humidity71%
Visibility—
Dew point57°
Tue, 2755° / 46°0.27
Morning49°feels 46°
Afternoon46°feels 39°
Evening46°feels 40°
Overnight47°feels 43°
55 °
Key, Tuesday, 27 October
Light rain. High 55°, low 46°.
Pressure30.36 inHg
Wind21.1 mph NE
Humidity89%
Visibility—
Dew point44°
Wed, 2852° / 46°0
Morning48°feels 45°
Afternoon52°feels 50°
Evening51°feels 50°
Overnight51°feels 49°
52 °
Key, Wednesday, 28 October
Overcast. High 52°, low 46°.
Pressure30.36 inHg
Wind9 mph NE
Humidity75%
Visibility—
Dew point43°
Thu, 2960° / 50°0.02
Morning52°feels 51°
Afternoon53°feels 52°
Evening55°feels 54°
Overnight54°feels 52°
60 °
Key, Thursday, 29 October
Light rain. High 60°, low 50°.
Pressure30.27 inHg
Wind11.8 mph SE
Humidity81%
Visibility—
Dew point47°
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.