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  • Thu

    Apr 23

    Cloudy 60°Lo 40°
    more
  • Fri

    Apr 24

    Times of clouds and sun 63°Lo 37°
    more
  • Sat

    Apr 25

    Cloudy and colder 53°Lo 31°
  • Sun

    Apr 26

    Sunny 59°Lo 31°
    more
  • Mon

    Apr 27

    Sunny 62°Lo 35°
    more
Hi 53° RealFeel® 51° Precipitation 25%

Day

N

E

S

W

  • NE 8 mph
  • Gusts: 16 mph

Cloudy and colder

  • Max UV Index: 4 (Moderate)
  • Thunderstorms: 0%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs
Lo 31° RealFeel® 29° Precipitation 57%

Night

N

E

S

W

  • NE 7 mph
  • Gusts: 14 mph

Periods of rain changing to snow

  • Max UV Index: N/A
  • Thunderstorms: 0%
  • Precipitation: 0.21 in
  • Rain: 0.09 in
  • Snow: 0.9 in
  • Ice: 0 in
  • Hours of Precipitation: 3 hrs
  • Hours of Rain: 1.5 hrs

Temperature History - Apr 25

more Historical Weather Data >
  Today Normal Record 4/25/2014
High 53° 60° N/A 62°
Low 31° 34° N/A 36°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:19 AM with 13:45 of sunlight, then sets at 8:04 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 11:19 AM with 14:31 of moolight, then sets at 1:50 AM

Portville Weather Report

The Day an Ice Jam Reduced the Mighty Niagara Falls to a Trickle

March 29, 2015; 11:37 PM ET

On March 29, 1848, a massive ice jam reduced the mighty Niagara Falls to a trickle, a rare phenomenon that lasted for nearly 40 hours. more >