National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Unsettled Weather in the Eastern U.S. through Memorial Day

Showers and thunderstorms are expected from Texas to the Northeast through Tuesday. Heavy rain will create mainly localized areas of flash flooding across the central Gulf Coast into the Appalachians. Elevated to Critical fire weather conditions due to gusty winds and low humidity are expected through Tuesday across Oregon and Nevada. Showers and thunderstorms will develop over the Northwest. Read More >

Current conditions at

Niagara Falls, Niagara Falls International Airport (KIAG)

Lat: 43.11°NLon: 78.94°WElev: 587ft.

Fair

72°F

22°C

Humidity 57%
Wind Speed SW 8 mph
Barometer 30.10 in (1019.4 mb)
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Last update 25 May 5:53 pm EDT
Extended Forecast for

Lewiston NY

  • Tonight

    Tonight: Mostly clear, with a low around 55. South wind 3 to 7 mph.

    Low: 55 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 81. Southwest wind 6 to 11 mph.

    High: 81 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 60. Southwest wind around 8 mph.

    Low: 60 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 80. West wind around 6 mph.

    High: 80 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 54. North wind 5 to 7 mph.

    Low: 54 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 70. North wind around 8 mph.

    High: 70 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 51. Northwest wind 3 to 5 mph.

    Low: 51 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 71. West wind 5 to 9 mph.

    High: 71 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 51.

    Low: 51 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 55. South wind 3 to 7 mph.
Tuesday
Mostly sunny, with a high near 81. Southwest wind 6 to 11 mph.
Tuesday Night
Mostly cloudy, with a low around 60. Southwest wind around 8 mph.
Wednesday
Partly sunny, with a high near 80. West wind around 6 mph.
Wednesday Night
Partly cloudy, with a low around 54. North wind 5 to 7 mph.
Thursday
Sunny, with a high near 70. North wind around 8 mph.
Thursday Night
Mostly clear, with a low around 51. Northwest wind 3 to 5 mph.
Friday
Sunny, with a high near 71. West wind 5 to 9 mph.
Friday Night
Partly cloudy, with a low around 51.
Saturday
Mostly sunny, with a high near 68.
Saturday Night
Partly cloudy, with a low around 50.
Sunday
Sunny, with a high near 71.
Sunday Night
Partly cloudy, with a low around 53.
Monday
Mostly sunny, with a high near 73.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Lewiston NY
 43.16°N 79.03°W (Elev. 548 ft)
Last Update:
3:57 pm EDT May 25, 2026
Forecast Valid:
5pm EDT May 25, 2026-6pm EDT Jun 1, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation