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Marathon, NY Weather Forecast

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Clear

50°F

Updated	5:33 pm
Feels Like	48°F
Humidity	42%
Wind	NNE 6 mph
Barometer	30.38 in
Dew Point	28°F

Clear

10°C

Updated	5:33 pm
Feels Like	9°C
Humidity	42%
Wind	NNE 10 km/h
Barometer	102.8 kPa
Dew Point	-2°C

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Cloud Cover	16%
Wind Chill	48°F 9°C
Sunrise	7:32 AM
Sunset	6:04 PM
Moonrise	6:40 PM
Moonset	9:29 AM

Civil Twilight
7:00 AM to 7:28 AM
6:04 PM to 6:32 PM
Marathon NY Weather - Waning Gibbous Moon

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Marathon Weather Forecast

TONIGHT	WEDNESDAY	WEDNESDAY NIGHT	THURSDAY	THURSDAY NIGHT	FRIDAY	FRIDAY NIGHT	SATURDAY	SATURDAY NIGHT	SUNDAY	SUNDAY NIGHT	MONDAY

Partly Cloudy	Partly Sunny	Mostly Clear	Mostly Sunny	Partly Cloudy	Partly Sunny	Mostly Clear	Partly Sunny	Partly Cloudy	Partly Sunny	Chance of Showers	Chance of Showers
Lo: 31°FLo: -1°C	Hi: 61°FHi: 16°C	Lo: 41°FLo: 5°C	Hi: 69°FHi: 21°C	Lo: 49°FLo: 9°C	Hi: 59°FHi: 15°C	Lo: 39°FLo: 4°C	Hi: 59°FHi: 15°C	Lo: 39°FLo: 4°C	Hi: 61°FHi: 16°C	Lo: 45°FLo: 7°C	Hi: 61°FHi: 16°C
										POP: 40%	POP: 40%

POP = Probability of Precipitation.

Weather Outlook Updated: 335 PM EDT Tue Oct 27 2026 Marathon, NY Weather - WeatherWorld.com

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Issued: 123 PM EDT Tue Oct 27 2026

Key Messages

1) Dry weather with above normal temperatures will continue through the weekend. Isolated light rain showers possible along and north of the Mohawk Valley Thursday night.

Discussion

... KEY MESSAGE 1...

The ridge of high pressure that has been parked over the area for the last 10 days will continue to dominate the weather pattern through the weekend.

On Wednesday, the ridge axis will slide east of the region, allowing a return of SW flow and warmer air pushed into the region. Near normal...

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Ultraviolet Index

This index provides important information to help you plan your outdoor activities in ways that prevent overexposure to the sun's rays. It was designed by the National Weather Service (NWS) and the Environmental Protection Agency (EPA). Unlike some countries' indices, the United States UV Index is not based upon surface observations. Rather, it is computed using forecasted ozone levels, a computer model that relates ozone levels to UV incidence on the ground, forecasted cloud amounts, and the elevation of the forecast cities. The calculation starts with measurements of current total ozone amounts for the entire globe, obtained via two satellites operated by the National Oceanic and Atmospheric Administration (NOAA). These data are then used to produce a forecast of ozone levels for the next day at various points around the country. Minimal UV Index 0 - 2 for 60 min. + Apply SPF sunscreen. Low UV Index 3 - 4 for 45 min. Apply SPF sunscreen, wear a hat. Moderate UV Index 5 - 6 for 30 min. Apply SPF 15, wear a hat. High UV Index 7 - 9 for 15 - 24 min. Apply SPF 15 to 30, wear a hat and sunglasses. Limit midday exposure. Very High UV Index 10+ for 10 min. Apply SPF 30; wear a hat, sunglasses, and protective clothing; limit midday exposure.