Marathon, FL Weather

Marathon, FL climate is hot during summer when temperatures tend to be in the 80's and mild during winter when temperatures tend to be in the 60's.

The warmest month of the year is August with an average maximum temperature of 90.30 degrees Fahrenheit, while the coldest month of the year is January with an average minimum temperature of 55.90 degrees Fahrenheit.

Temperature variations between night and day tend to be fairly limited during summer with a difference that can reach 16 degrees Fahrenheit, and moderate during winter with an average difference of 21 degrees Fahrenheit.

The annual average precipitation at Marathon is 47.46 Inches. Summer months tend to be wetter than winter months. The wettest month of the year is August with an average rainfall of 7.43 Inches.

Weather Data

Weather Warnings

Wind advisory in effect .

Current Conditions

(Updated: 12:53 PM EST SUN NOV 8 2009)

Overcast, 81°F	Humidity: 65%	Dewpoint: 68°F
	Wind Speed: E 25.3 MPH G 34.5 (22 MPH G 30 KT)	Heat Index: 84°F
	Barometer: 29.96 in.	Wind Chill: 81°F

Weather Forecast

(Generated: 9:50 AM EST SUN NOV 08 2009)

	Hi: 81°F	Today: Mostly cloudy and windy. A chance of showers. Highs in the lower 80s. East winds near 25 mph...With gusts near 35 mph. Chance of rain 50 percent.
	Lo: 75°F
	Hi: 85°F	Monday: Mostly cloudy and windy. A chance of showers. Highs in the mid 80s. East to southeast winds 20 to 25 mph and gusty. Chance of rain 50 percent.
	Lo: 79°F
	Hi: 85°F	Tuesday: Partly cloudy. Breezy early. A chance of showers. Highs in the mid 80s. Southeast winds 15 to 20 mph...Decreasing to 10 to 15 mph. Chance of rain 40 percent.
	Lo: 79°F
	Hi: 85°F	Veterans day: Partly cloudy. A chance of showers. Lows in the upper 70s. Highs in the mid 80s. Chance of rain 30 percent both periods.
	Lo: 75°F
	Hi: 81°F	Thursday: Partly cloudy. A chance of showers. Lows in the mid 70s. Highs in the lower 80s. Chance of rain 40 percent both periods.
	Lo: 75°F
	Hi: 81°F	Friday: Partly cloudy. A slight chance of showers. Lows in the mid 70s. Highs in the lower 80s. Chance of rain 20 percent each period.
	Lo: 75°F
	Hi: 81°F	Saturday: Partly cloudy. A slight chance of showers. Lows in the mid 70s. Highs in the lower 80s. Chance of rain 20 percent each period.
	Lo: 75°F

Moon, Sunrise and Sunset

	Moon Phase: Waning Gibbous Moon	Civil Twilight: 6:11 AM EST	Sunrise: 6:35 AM EST
		Sunset: 5:40 PM EST	Civil Twilight: 6:04 PM EST

Normal Climate

Normal Temperatures

(FLAMINGO RANGER STN Weather station, 32.04 miles from Marathon)

Month	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Annual
Max °F	77.1	77.8	80.2	83.4	86.7	88.9	90.1	90.3	89.4	86.6	82.8	78.8	84.3
Mean °F	66.5	67.4	70.3	73.6	77.7	81.2	82.1	82.2	81.5	77.9	73.4	68.7	75.2
Min °F	55.9	56.9	60.4	63.8	68.7	73.4	74.1	74.1	73.6	69.2	64.0	58.5	66.1

Normal Precipitation