Harrisburg, NY Weather Forecast
Local 7-day forecast
Rain Showers Likely
Track current conditions, temperature changes, wind, and the full daily outlook for Harrisburg, NY in one place.
Rain showers likely between 8am and 5pm, then showers and thunderstorms likely. Partly sunny, with a high near 75. South wind 5 to 12 mph, with gusts as high as 23 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch possible.
Local Weather Overview
This forecast page for Harrisburg, 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: Apr 16, 2026 2:33 PM EDT.
The active forecast window currently covers Apr 18 to Apr 22, 2026 for Harrisburg, NY.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 18 to Apr 22, 2026
- Latest sync
- Apr 16, 2026 2:33 PM EDT
- Forecast office
- BUF
- Source
- NOAA / NWS
Daily Outlook
This Week in Harrisburg
Saturday looks like the warmest upcoming period in Harrisburg at 75 degrees F.
Monday Night is the coolest period ahead with temperatures near 23 degrees F.
The strongest winds are forecast for Sunday at about 8 to 13 mph W.
Precipitation is mentioned in 8 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 16, 2026 2:33 PM EDT
- Coverage
- 5 days
- Time zone
- America/New_York
- Forecast office
- BUF
- Radar station
- KBUF
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Showers and thunderstorms likely. Mostly cloudy, with a low around 35. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.
A chance of rain showers before 5pm, then a chance of rain and snow showers. Mostly cloudy, with a high near 42. Chance of precipitation is 50%.
A chance of rain and snow showers before 2am. Mostly cloudy, with a low around 24. Chance of precipitation is 50%.
Mostly sunny, with a high near 41.
Partly cloudy, with a low around 23.
A slight chance of rain showers after 2pm. Mostly sunny, with a high near 56.
A chance of rain showers. Mostly cloudy, with a low around 40. Chance of precipitation is 30%.
A chance of rain showers. Partly sunny, with a high near 58. Chance of precipitation is 30%.
A chance of rain showers. Partly cloudy, with a low around 36.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Saturday
Apr 18
|
Rain Showers Likely
|
75°F |
5 to 12 mph
S
|
|
Saturday Night
Apr 18
|
Showers And Thunderstorms Likely
|
35°F |
7 to 10 mph
W
|
|
Sunday
Apr 19
|
Chance Rain Showers then Chance Rain And Snow Showers
|
42°F |
8 to 13 mph
W
|
|
Sunday Night
Apr 19
|
Chance Rain And Snow Showers
|
24°F |
10 mph
NW
|
|
Monday
Apr 20
|
Mostly Sunny
|
41°F |
8 to 12 mph
NW
|
|
Monday Night
Apr 20
|
Partly Cloudy
|
23°F |
3 to 9 mph
W
|
|
Tuesday
Apr 21
|
Mostly Sunny then Slight Chance Rain Showers
|
56°F |
5 to 10 mph
SW
|
|
Tuesday Night
Apr 21
|
Chance Rain Showers
|
40°F |
8 mph
SW
|
|
Wednesday
Apr 22
|
Chance Rain Showers
|
58°F |
7 to 10 mph
W
|
|
Wednesday Night
Apr 22
|
Chance Rain Showers
|
36°F |
3 to 7 mph
W
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Harrisburg.