Grassy Key, FL Weather Forecast and Current Conditions

Current Conditions From Nearby Local Station

53°F
Feels Like 53°F  
Humidity N/A Dew Point N/A Wind Calm Barometer 30.07 in.
Report from a MADIS/MESONET weather station 1.3 mi. NNE of central Grassy Key
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Point Forecast at a Glance

FriDec 12
Fri Dec 12: Sunny, High 67F, Low 48F
67
48
SatDec 13
Sat Dec 13: Partly Cloudy, High 68F, Low 59F
68
59
SunDec 14
Sun Dec 14: Mostly Sunny, High 68F, Low 42F
68
42
MonDec 15
Mon Dec 15: Sunny, High 56F, Low 45F
56
45
TueDec 16
Tue Dec 16: Mostly Sunny, High 63F, Low 54F
63
54
WedDec 17
Wed Dec 17: Partly Cloudy, High 67F, Low 60F
67
60
ThuDec 18
Thu Dec 18: Showers, High 67F, Low 61F
67
61

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7-Day Temperature Trend

Week Ahead Summary

High temperatures remain relatively stable through the week, ranging from 56°F to 68°F. Some rain possible with at least 2 days showing precipitation chances of 20% or higher.

Climate Context

This week's forecast shows temperatures running 3°F below the historical average for December. Normal highs for this period are around 68°F with lows around 47°F.

This Date in Weather History

1967 - From December 12th through the 20th a series of snowstorms buries Flagstaff, AZ with nearly 85 inches of snow.

More on this and other weather history

Grassy Key, FL 7 Day Weather Forecast Details

Friday Dec 12

Sunny

Day: Sunny with a high near 67 F. Winds from the E at 6 mph

Mostly Clear

Night: Mostly Clear with a low near 48 F. Winds from the SW at 2 mph

Saturday Dec 13

Partly Cloudy

Day: Partly Cloudy with a high near 68 F. Winds from the E at 5 mph

Mostly Clear

Night: Mostly Clear with a low near 59 F. Winds from the N at 3 mph

Sunday Dec 14

Mostly Sunny

Day: Mostly Sunny with a high near 68 F. Winds from the N at 4 mph

Mostly Clear

Night: Mostly Clear with a low near 42 F. Winds from the N at 16 mph

Monday Dec 15

Sunny

Day: Sunny with a high near 56 F. Winds from the NNE at 17 mph

Mostly Clear

Night: Mostly Clear with a low near 45 F. Winds from the NE at 15 mph

Tuesday Dec 16

Mostly Sunny

Day: Mostly Sunny with a high near 63 F. Winds from the NE at 9 mph

Partly Cloudy

Night: Partly Cloudy with a low near 54 F. Winds from the NNE at 7 mph

Wednesday Dec 17

Partly Cloudy

Day: Partly Cloudy with a high near 67 F. Winds from the E at 6 mph

Showers

Night: Partly Cloudy with Showers with a low near 60 F. Winds from the NE at 4 mph. Chance of precipitation is 10%

Thursday Dec 18

Showers

Day: Partly Cloudy with Showers with a high near 67 F. Winds from the ESE at 7 mph. Chance of precipitation is 10%

Partly Cloudy

Night: Partly Cloudy with a low near 61 F. Winds from the WSW at 4 mph

Friday Dec 19

Partly Cloudy

Day: Partly Cloudy with a high near 67 F. Winds from the NE at 6 mph

Partly Cloudy

Night: Partly Cloudy with a low near 59 F. Winds from the N at 6 mph

Saturday Dec 20

Partly Cloudy

Day: Partly Cloudy with a high near 66 F. Winds from the ENE at 7 mph

Partly Cloudy

Night: Partly Cloudy with a low near 60 F. Winds from the NNE at 5 mph

Sunday Dec 21

Partly Cloudy

Day: Partly Cloudy with a high near 65 F. Winds from the ENE at 5 mph

Mostly Clear

Night: Mostly Clear with a low near 62 F. Winds from the WNW at 4 mph

How We Provide Better Local Weather

Current conditions: We use the nearest available station to your location - including professional MESONET/MADIS and local weather stations - often miles closer than regional airports.

Forecasts: National Weather Service point forecasts predict for your specific area, not broad regional zones, making them far more relevant to your location.