Marathon, NY Weather Forecast & Alerts

Current conditions, 5-day forecast, and active NWS weather alerts for Marathon, NY.

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Current Conditions — Marathon, NY

CORTLAND (KN03)

Light Rain

44.6 F
Humidity:87%
Wind Speed: 8.1 mph
Barometer:29.91 in
Dewpoint:41.0 F
Visibility:10.00 mi
Precip:--
Heat Index:NA
Wind Chill:40.1 F
Apr 25 2026, 01:55 PM EDT
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5-Day Forecast — Marathon, NY

Saturday

High 44 °F
Rain Showers
Saturday
Night
Low 39 °F
Rain
Sunday

High 60 °F
Mostly Cloudy
Sunday
Night
Low 35 °F
Partly Cloudy
Monday

High 68 °F
Mostly Sunny
Monday
Night
Low 41 °F
Mostly Clear
Tuesday

High 66 °F
Chance of Rain Showers
Tuesday
Night
Low 46 °F
Chance of Rain
Wednesday

High 64 °F
Rain Showers Likely

Detailed Forecast — Marathon, NY

Saturday
Rain Showers. High near 44°F. Wind 6 to 10 mph, with gusts as high as 18 mph.
Saturday Night
Rain. Low around 39°F. Wind 2 to 6 mph, with gusts as high as 12 mph.
Sunday
Mostly Cloudy. High near 60°F. Wind 2 to 6 mph, with gusts as high as 12 mph.
Sunday Night
Partly Cloudy. Low around 35°F. Wind 1 to 2 mph, with gusts as high as 5 mph.
Monday
Mostly Sunny. High near 68°F. Wind 2 to 6 mph, with gusts as high as 10 mph.
Monday Night
Mostly Clear. Low around 41°F. Wind 2 to 3 mph, with gusts as high as 9 mph.
Tuesday
Chance of Rain Showers. High near 66°F. Wind 6 to 13 mph, with gusts as high as 22 mph.
Tuesday Night
Chance of Rain. Low around 46°F. Wind 5 to 8 mph, with gusts as high as 17 mph.
Wednesday
Rain Showers Likely. High near 64°F. Wind 6 to 9 mph, with gusts as high as 17 mph.
Wednesday Night
Rain Likely. Low around 44°F. Wind around 3 mph, with gusts as high as 10 mph.
Thursday
Rain Showers Likely. High near 55°F. Wind 6 to 10 mph, with gusts as high as 17 mph.
Thursday Night
Chance of Rain Showers. Low around 35°F. Wind 2 to 6 mph, with gusts as high as 14 mph.
Friday
Chance of Rain Showers. High near 53°F. Wind 5 to 9 mph, with gusts as high as 17 mph.
NY Radar
Current Radar • NY
Day 1 Outlook • April 25, 2026

Observation History — Marathon, NY

Time Wind
(mph)		 Vis
(mi)		 Weather Precip (in) Temperature (F) Relative
Humidity		 Wind
Chill
(F)		 Heat
Index
(F)		 Pressure
Air Dwpt altimeter
(in)		 sea level
(mb)
01:55 PM EDT 8.1 10.00 Light Rain -- 44.6 41.0 87% 40.1 NA 29.91 1012.9
01:35 PM EDT SE 8.1 10.00 Rain -- 42.8 41.0 93% 37.9 NA 29.91 1012.9
01:15 PM EDT SE 10.3 10.00 Light Rain -- 42.8 41.0 93% 37.0 NA 29.92 1013.2
12:55 PM EDT 10.3 7.00 Light Rain -- 44.6 41.0 87% 39.2 NA 29.92 1013.2
12:35 PM EDT SE 6.9 7.00 Light Rain -- 44.6 41.0 87% 40.6 NA 29.92 1013.2
12:15 PM EDT SE 12.8 G 17.2 10.00 Light Rain -- 42.8 41.0 93% 36.1 NA 29.94 1013.6
11:55 AM EDT 9.2 10.00 Light Rain -- 42.8 41.0 93% 37.4 NA 29.94 1013.9
11:35 AM EDT 5.8 10.00 Rain -- 42.8 41.0 93% 39.2 NA 29.94 1013.6
11:15 AM EDT SE 8.1 10.00 Light Rain -- 42.8 41.0 93% 37.9 NA 29.94 1013.9
10:55 AM EDT 4.7 7.00 Rain -- 42.8 41.0 93% 39.9 NA 29.94 1013.9
10:35 AM EDT E 3.4 7.00 Rain -- 42.8 41.0 93% 41.2 NA 29.94 1013.9
10:15 AM EDT E 5.8 7.00 Rain -- 42.8 39.2 87% 39.2 NA 29.94 1013.6
09:55 AM EDT E 5.8 7.00 Rain -- 42.8 39.2 87% 39.2 NA 29.94 1013.6
09:35 AM EDT E 4.7 10.00 Rain -- 42.8 37.4 81% 39.9 NA 29.92 1013.2
09:15 AM EDT E 3.4 7.00 Rain -- 42.8 37.4 81% 41.2 NA 29.92 1013.2
08:55 AM EDT 3.4 10.00 Rain -- 41.0 35.6 81% 39.0 NA 29.92 1013.2
08:35 AM EDT E 4.7 7.00 Rain -- 42.8 35.6 76% 39.9 NA 29.91 1012.9
08:15 AM EDT 5.8 7.00 Rain -- 42.8 33.8 70% 39.2 NA 29.90 1012.5
07:55 AM EDT 8.1 10.00 Light Rain -- 42.8 32.0 65% 37.9 NA 29.89 1012.2
07:35 AM EDT E 3.4 10.00 Rain -- 44.6 32.0 61% 43.2 NA 29.89 1012.2
07:15 AM EDT E 4.7 10.00 Light Rain -- 44.6 30.2 57% 42.1 NA 29.89 1012.2
06:55 AM EDT E 5.8 10.00 Light Rain -- 44.6 28.4 53% 41.4 NA 29.89 1012.2
06:35 AM EDT E 8.1 10.00 Cloudy -- 44.6 26.6 49% 40.1 NA 29.89 1012.2
06:15 AM EDT E 9.2 10.00 Cloudy -- 44.6 26.6 49% 39.7 NA 29.89 1012.2

Regional Weather Observation

CORTLAND (KN03)

Light Rain
44.6 F

SKANEATELES (K6B9)

Light Rain
NULL F

ITHACA/TOMPKINS (KITH)

Light Rain
44.6 F

BINGHAMTON (KBGM)

Light Rain and Fog/Mist
41.0 F

ELMIRA (KELM)

Light Rain and Fog/Mist
44.6 F

HAMILTON MUNICIP (KVGC)

Rain
NULL F
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