Lewiston, NY Weather Forecast & Alerts

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

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Current Conditions — Lewiston, NY

NIAGARA FALLS (KIAG)

Light Rain and Fog/Mist

41.0 F
Humidity:93%
Wind Speed: G 20.7 mph
Barometer:29.81 in
Dewpoint:39.2 F
Visibility:4.00 mi
Precip:--
Heat Index:NA
Wind Chill:NA
Apr 25 2026, 10:35 AM EDT
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5-Day Forecast — Lewiston, NY

Saturday

High 48 °F
Rain Showers
Saturday
Night
Low 39 °F
Overcast
Sunday

High 57 °F
Mostly Cloudy
Sunday
Night
Low 39 °F
Partly Cloudy
Monday

High 64 °F
Mostly Sunny
Monday
Night
Low 50 °F
Partly Cloudy
Tuesday

High 64 °F
T-storms Likely
Tuesday
Night
Low 48 °F
Chance of Rain
Wednesday

High 59 °F
Chance of T-storms

Detailed Forecast — Lewiston, NY

Saturday
Rain Showers. High near 48°F. Wind 15 to 20 mph, with gusts as high as 28 mph.
Saturday Night
Overcast. Low around 39°F. Wind 7 to 12 mph, with gusts as high as 21 mph.
Sunday
Mostly Cloudy. High near 57°F. Wind 6 to 9 mph, with gusts as high as 15 mph.
Sunday Night
Partly Cloudy. Low around 39°F. Wind 3 to 5 mph, with gusts as high as 8 mph.
Monday
Mostly Sunny. High near 64°F. Wind 3 to 8 mph, with gusts as high as 13 mph.
Monday Night
Partly Cloudy. Low around 50°F. Wind 7 to 8 mph, with gusts as high as 15 mph.
Tuesday
Thunderstorms Likely. High near 64°F. Wind 10 to 12 mph, with gusts as high as 21 mph.
Tuesday Night
Chance of Rain. Low around 48°F. Wind 7 to 10 mph, with gusts as high as 20 mph.
Wednesday
Chance of Thunderstorms. High near 59°F. Wind 5 to 7 mph, with gusts as high as 10 mph.
Wednesday Night
Chance of Rain Showers. Low around 41°F. Wind around 6 mph, with gusts as high as 10 mph.
Thursday
Mostly Cloudy. High near 55°F. Wind 7 to 9 mph, with gusts as high as 15 mph.
Thursday Night
Mostly Cloudy. Low around 37°F. Wind 6 to 7 mph, with gusts as high as 12 mph.
Friday
Slight Chance of Showers. High near 55°F. Wind 6 to 8 mph, with gusts as high as 13 mph.
NY Radar
Current Radar • NY
Day 1 Outlook • April 25, 2026

Observation History — Lewiston, 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)
10:35 AM EDT G 20.7 4.00 Light Rain and Fog/Mist -- 41.0 39.2 93% NA NA 29.81 1009.5
10:30 AM EDT 4.00 Light Rain and Fog/Mist -- 41.0 39.2 93% NA NA 29.81 1009.5
10:25 AM EDT 15.0 4.00 Rain and Fog/Mist -- 42.8 39.2 87% 35.4 NA 29.81 1009.5
10:20 AM EDT 4.00 Rain and Fog/Mist -- 41.0 39.2 93% NA NA 29.80 1009.1
10:10 AM EDT 4.00 Rain and Fog/Mist -- 41.0 39.2 93% NA NA 29.81 1009.5
10:00 AM EDT 4.00 Rain and Fog/Mist -- 42.8 39.2 87% NA NA 29.81 1009.5
09:50 AM EDT 15.0 3.00 Rain and Fog/Mist -- 42.8 41.0 93% 35.4 NA 29.81 1009.5
09:45 AM EDT NE 13.8 3.00 Rain and Fog/Mist -- 42.8 41.0 93% 35.8 NA 29.81 1009.5
09:35 AM EDT NE 12.7 4.00 Light Rain and Fog/Mist -- 42.8 41.0 93% 36.1 NA 29.81 1009.5
09:20 AM EDT 4.00 Light Rain and Fog/Mist -- 42.8 41.0 93% NA NA 29.81 1009.5
09:15 AM EDT 13.8 5.00 Light Rain and Fog/Mist -- 42.8 41.0 93% 35.8 NA 29.81 1009.5
09:10 AM EDT 15.0 5.00 Light Rain and Fog/Mist -- 42.8 42.8 100% 35.4 NA 29.81 1009.5
09:00 AM EDT 13.8 5.00 Light Rain and Fog/Mist -- 42.8 41.0 93% 35.8 NA 29.80 1009.1
08:50 AM EDT 13.8 3.00 Rain and Fog/Mist -- 42.8 41.0 93% 35.8 NA 29.80 1009.1
08:45 AM EDT E 15.0 3.00 Rain and Fog/Mist -- 42.8 41.0 93% 35.4 NA 29.80 1009.1
08:35 AM EDT 3.00 Heavy Rain and Fog/Mist -- 42.8 41.0 93% NA NA 29.80 1009.1
08:25 AM EDT 2.50 Rain and Fog/Mist -- 42.8 41.0 93% NA NA 29.79 1008.8
08:20 AM EDT 4.00 Rain and Fog/Mist -- 42.8 41.0 93% NA NA 29.79 1008.8
08:05 AM EDT 4.00 Light Rain and Fog/Mist -- 42.8 41.0 93% NA NA 29.79 1008.8
08:00 AM EDT 4.00 Light Rain and Fog/Mist -- 42.8 41.0 93% NA NA 29.79 1008.8
07:50 AM EDT 5.00 Light Rain and Fog/Mist -- 42.8 41.0 93% NA NA 29.79 1008.8
07:35 AM EDT 4.00 Rain and Fog/Mist -- 42.8 41.0 93% NA NA 29.79 1008.8
07:30 AM EDT E 15.0 4.00 Rain and Fog/Mist -- 42.8 41.0 93% 35.4 NA 29.79 1008.8
07:25 AM EDT 4.00 Rain and Fog/Mist -- 42.8 41.0 93% NA NA 29.79 1008.8

Regional Weather Observation

NIAGARA FALLS (KIAG)

Light Rain and Fog/Mist
41.0 F

BATAVIA (KGVQ)

Rain and Fog/Mist
41.0 F

BUFFALO/CHEEKTOW (KBUF)

Rain
44.6 F

DUNKIRK (KDKK)

Light Rain and Fog/Mist
48.2 F

JAMESTOWN (KJHW)

Light Rain
48.2 F

ROCHESTER (KROC)

Rain and Fog/Mist
42.8 F
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