Keystone Islands, FL Weather Forecast and Current Conditions

WEATHER ALERTS - Rip Current Statement

Current Conditions From Nearby Local Station

Cloudy 70°F
Feels Like 70°F  
Humidity 72% Dew Point 61°F Wind Calm Barometer 30.1 in.
Report from a personal weather station 1.6 mi. W of central Keystone Islands
at

Point Forecast at a Glance

TueDec 16
Tue Dec 16: Showers, Low 71F
20%
 
71
WedDec 17
Wed Dec 17: Mostly Sunny, High 77F, Low 73F
77
73
ThuDec 18
Thu Dec 18: Thunderstorms, High 80F, Low 74F
30%
80
74
FriDec 19
Fri Dec 19: Partly Sunny, High 83F, Low 71F
83
71
SatDec 20
Sat Dec 20: Mostly Sunny, High 79F, Low 72F
79
72
SunDec 21
Sun Dec 21: Mostly Sunny, High 80F, Low 72F
80
72
MonDec 22
Mon Dec 22: Mostly Sunny, High 79F, Low 72F
79
72

Jump to detailed forecast ↓

7-Day Temperature Trend

Week Ahead Summary

High temperatures remain relatively stable through the week, ranging from 77°F to 83°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 1°F above the historical average for December. Normal highs for this period are around 78°F with lows around 63°F.

This Date in Weather History

1811 - An estimated Magnitude 7.5 earthquake struck the Mississippi Valley near the town of New Madrid in Missouri at 2:15 am local time. People were awakened by the shaking in New York City, Washington D.C., and Charleston, South Carolina. The ground motions were described as most alarming and frightening in places like Nashville, Tennessee, and Louisville, Kentucky. In the epicentral area, the ground surface was described as in great convulsion with sand and water ejected tens of feet into the air.

More on this and other weather history

Keystone Islands, FL 7 Day Weather Forecast Details

Tuesday Dec 16

Showers

Night: A 20 percent chance of showers before 4am. Partly cloudy, with a low around 71. East wind around 15 mph, with gusts as high as 18 mph.

Wednesday Dec 17

Mostly Sunny

Day: Mostly sunny, with a high near 77. East wind around 14 mph, with gusts as high as 18 mph.

Partly Cloudy

Night: Partly cloudy, with a low around 73. East wind around 14 mph.

Thursday Dec 18

Thunderstorms

Day: A 30 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 80. Southeast wind 13 to 15 mph, with gusts as high as 20 mph.

Thunderstorms

Night: A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 74. Southeast wind around 10 mph.

Friday Dec 19

Partly Sunny

Day: Partly sunny, with a high near 83. West wind around 8 mph.

Partly Cloudy

Night: Partly cloudy, with a low around 71. North wind 7 to 10 mph.

Saturday Dec 20

Mostly Sunny

Day: Mostly sunny, with a high near 79. East wind around 11 mph.

Partly Cloudy

Night: Partly cloudy, with a low around 72. East wind 6 to 9 mph.

Sunday Dec 21

Mostly Sunny

Day: Mostly sunny, with a high near 80.

Partly Cloudy

Night: Partly cloudy, with a low around 72.

Monday Dec 22

Mostly Sunny

Day: Mostly sunny, with a high near 79.

Partly Cloudy

Night: Partly cloudy, with a low around 72.

Tuesday Dec 23

Mostly Sunny

Day: Mostly sunny, with a high near 78. Breezy.

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.