Robert Moses State Park & Massena, NY

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Robert Moses Field Deserted Beach

Today’s Forecast:

☀
61°F
High: 62° | Low: 52°
Current Temperature
Clear
Station: KMSS
Observed at: 6:00 pm CDT on 9/26/26
Wind: 3 mph | Humidity: 68%
Tonight:Mostly cloudy, with a low around 52. Northeast wind around 8 mph.
Sunday:A slight chance of rain showers after 3pm. Mostly cloudy, with a high near 67. Northeast wind 9 to 16 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.
Sunday Night:A slight chance of rain showers before 8pm. Mostly cloudy, with a low around 53. Northeast wind 10 to 14 mph, with gusts as high as 28 mph. Chance of precipitation is 20%.
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Today’s Report:

⛵ Boating

Use Caution
  42 /100

Use Caution for boating. High near 66°F. Low rain risk (22%). Breezy winds (16 mph).

  • Temp: Marginal weather factor
  • Rain: Favorable conditions
  • Wind: Marginal weather factor
  • Thunderstorm: Favorable conditions
Tomorrow's Outlook:
Excellent 85/100
Excellent for boating. High near 63°F. Low rain risk (17%). Light wind (10 mph).

🛶 Paddling

Use Caution
  41 /100

Use Caution for paddling. High near 66°F. Risk of evening rain (22%). Breezy winds (16 mph).

  • Temp: Marginal weather factor
  • Rain: Marginal weather factor
  • Wind: Marginal weather factor
  • Thunderstorm: Favorable conditions
Tomorrow's Outlook:
Good 81/100
Good for paddling. High near 63°F. Low rain risk (17%). Breezy winds (10 mph).

⛺ Camping

Excellent
  95 /100

Excellent for camping. High near 66°F. Low rain risk (22%). Breezy winds (16 mph).

  • Temp: Favorable conditions
  • Rain: Favorable conditions
  • Wind: Marginal weather factor
  • Thunderstorm: Favorable conditions
Tomorrow's Outlook:
Excellent 100/100
Excellent for camping. High near 63°F. Low rain risk (17%). Light wind (10 mph).

About Robert Moses State Park & Massena

Robert Moses State Park & Massena is a New York destination for St. Lawrence boating, camping, lock viewing, winter trails, and local ice fishing.

Make the Most of a Robert Moses State Park & Massena Day

Match the route, launch, facility, or turnaround time to precipitation, wind, temperature, visibility, water conditions, snow or ice, and seasonal access. Keep a shorter or more sheltered alternative ready.

Weather Tips for Robert Moses State Park & Massena

  • Check official access notices, alerts, trail or road conditions, and local forecasts before leaving.
  • Check wind, waves, current, water temperature, ice reports, and lightning risk before launching or stepping onto frozen water; no forecast alone proves that ice is safe.
  • Bring layers, water, navigation, sun protection, and traction or flotation appropriate to the season and activity.
  • Allow extra time for traffic, limited winter daylight, lake-effect snow, freeze-thaw mud, and seasonal facility schedules.

Nearby Towns and Areas

This page can also be useful when planning outdoor time near:

  • Massena
  • Eisenhower Locks
  • Barnhart Island
  • Long Sault Dam
  • Waddington

Plan Around the Conditions

Choose the safest version of a Robert Moses State Park & Massena day by matching the activity to current wind, precipitation, temperature, visibility, water or snow conditions, access, and daylight.

7-Day Forecast for Robert Moses State Park & Massena

☀
61°F
High: 62° | Low: 52°
Current Temperature
Clear
Station: KMSS
Observed at: 6:00 pm CDT on 9/26/26
Wind: 3 mph | Humidity: 68%
Sun 🌧
67° 53°
22%
Mon 🌧
64° 50°
17%
Tue ⛅
67° 51°
1%
Wed ⛅
73° 57°
6%
Thu 🌧
74° 57°
17%
Fri 🌧
70° 46°
32%
Sat 🌧
66° --°
22%

7-Day High Temperature Trend

67° Sun 64° Mon 67° Tue 73° Wed 74° Thu 70° Fri 66° Sat

7-Day Low Temperature Trend

53° Sun 50° Mon 51° Tue 57° Wed 57° Thu 46° Fri 50° Sat

📊 7-Day Outdoor Outlook

Good Fair Poor 100 Sun 100 Mon 100 Tue 100 Wed 100 Thu 95 Fri 100 Sat
Forecast data from the National Weather Service  |  Last Updated: September 26, 2026 7:53 pm CDT

Robert Moses State Park & Massena Weather by Season

Winter

Winter at Robert Moses State Park & Massena brings cold, shorter daylight, and periodic snow or ice. Snow and ice can support the listed winter activities, but conditions and access must be confirmed locally. Cold water, wind, waves, and rapidly changing shore conditions remain serious hazards.

Spring

Spring is changeable, with rain, mud, snowmelt, rising water, and lingering ice in shaded or elevated terrain. Lower routes and developed facilities generally become usable before exposed, backcountry, or high-elevation areas.

Summer

Summer usually provides the broadest access, but heat, humidity, thunderstorms, crowds, and occasional wildfire smoke can alter plans. Start exposed outings early and keep a weather-safe turnaround point.

Fall

Fall brings cooler air, foliage crowds, shorter daylight, and increasing wind. Early snow or ice can reach northern and elevated areas while lower valleys and coastal destinations remain milder.

Key Climate Data Points

  • Annual average temperature: around 43–47°F, using the relevant local and elevation context.
  • Annual snowfall: commonly 55–90 inches, with wind and local lake-effect variation.
  • Warmest months: July and August are normally warmest.
  • Coolest months: January is typically coolest, with February similarly cold in northern and elevated areas.
  • Wettest season: precipitation is distributed through the year, with late spring through summer often wettest from rain and thunderstorms.
  • Driest season: no season is reliably dry statewide; early fall often provides the most stable outdoor windows.
  • Best outdoor window: June through October for warm-season access, with midwinter best only where established winter recreation is supported.