Marathon, NY Weather Forecast
Local 7-day forecast
Mostly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Marathon, NY in one place.
Mostly sunny, with a high near 88. Northwest wind 8 to 13 mph.
Local Weather Overview
This forecast page for Marathon, NY is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Jul 14, 2026 12:38 AM EDT.
The active forecast window currently covers Jul 15 to Jul 20, 2026 for Marathon, NY.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 15 to Jul 20, 2026
- Latest sync
- Jul 14, 2026 12:38 AM EDT
- Forecast office
- BGM
- Source
- NOAA / NWS
Daily Outlook
This Week in Marathon
Wednesday looks like the warmest upcoming period in Marathon at 88 degrees F.
Friday Night is the coolest period ahead with temperatures near 57 degrees F.
The strongest winds are forecast for Wednesday at about 8 to 13 mph NW.
Precipitation is mentioned in 6 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 14, 2026 12:38 AM EDT
- Coverage
- 6 days
- Time zone
- America/New_York
- Forecast office
- BGM
- Radar station
- KBGM
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Partly cloudy, with a low around 61. West wind 2 to 9 mph.
Mostly sunny, with a high near 84.
Mostly clear, with a low around 58.
Mostly sunny, with a high near 81.
A slight chance of showers and thunderstorms between 8pm and 2am, then a chance of showers and thunderstorms. Partly cloudy, with a low around 57. Chance of precipitation is 40%.
Showers and thunderstorms likely. Partly sunny, with a high near 81. Chance of precipitation is 60%.
Showers and thunderstorms likely. Mostly cloudy, with a low around 59. Chance of precipitation is 60%.
A chance of showers and thunderstorms before 2pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 79. Chance of precipitation is 40%.
A chance of showers and thunderstorms. Mostly cloudy, with a low around 57. Chance of precipitation is 40%.
A slight chance of rain showers before 8am, then a chance of showers and thunderstorms. Mostly sunny, with a high near 78.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Wednesday
Jul 15
|
Mostly Sunny
|
88°F |
8 to 13 mph
NW
|
|
Wednesday Night
Jul 15
|
Partly Cloudy
|
61°F |
2 to 9 mph
W
|
|
Thursday
Jul 16
|
Mostly Sunny
|
84°F |
2 to 13 mph
W
|
|
Thursday Night
Jul 16
|
Mostly Clear
|
58°F |
3 to 9 mph
NW
|
|
Friday
Jul 17
|
Mostly Sunny
|
81°F |
3 to 9 mph
NW
|
|
Friday Night
Jul 17
|
Slight Chance Showers And Thunderstorms
|
57°F |
1 to 6 mph
W
|
|
Saturday
Jul 18
|
Showers And Thunderstorms Likely
|
81°F |
2 to 8 mph
SW
|
|
Saturday Night
Jul 18
|
Showers And Thunderstorms Likely
|
59°F |
2 to 6 mph
W
|
|
Sunday
Jul 19
|
Chance Showers And Thunderstorms
|
79°F |
3 to 8 mph
NW
|
|
Sunday Night
Jul 19
|
Chance Showers And Thunderstorms
|
57°F |
2 to 7 mph
N
|
|
Monday
Jul 20
|
Chance Showers And Thunderstorms
|
78°F |
2 to 8 mph
SW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Marathon.