Lancaster, NY Weather Forecast
Local 7-day forecast
Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for Lancaster, NY in one place.
Showers and thunderstorms before 2pm, then a slight chance of showers and thunderstorms between 2pm and 4pm, then a chance of showers and thunderstorms between 4pm and 5pm, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 70. Southwest wind 6 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Local Weather Overview
This forecast page for Lancaster, 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 15, 2026 8:55 AM EDT.
The active forecast window currently covers Apr 15 to Apr 21, 2026 for Lancaster, NY.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 15 to Apr 21, 2026
- Latest sync
- Apr 15, 2026 8:55 AM EDT
- Forecast office
- BUF
- Source
- NOAA / NWS
Daily Outlook
This Week in Lancaster
Saturday looks like the warmest upcoming period in Lancaster at 78 degrees F.
Sunday Night is the coolest period ahead with temperatures near 29 degrees F.
The strongest winds are forecast for Today at about 6 to 17 mph SW.
Precipitation is mentioned in 11 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 15, 2026 8:55 AM EDT
- Coverage
- 7 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
A chance of showers and thunderstorms before 10pm, then patchy fog and a chance of showers and thunderstorms between 10pm and 11pm, then a chance of showers and thunderstorms between 11pm and midnight, then patchy fog and a chance of showers and thunderstorms between midnight and 2am, then areas of fog and a chance of showers and thunderstorms between 2am and 4am, then patchy fog and showers and thunderstorms. Mostly cloudy, with a low around 58. Southwest wind around 9 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch possible.
Showers and thunderstorms likely before 7am, then patchy fog and showers and thunderstorms. Mostly cloudy, with a high near 72. Southwest wind 8 to 16 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Showers and thunderstorms. Mostly cloudy, with a low around 52. Southwest wind 8 to 13 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
A chance of rain showers before 2pm. Mostly cloudy, with a high near 64. West wind around 7 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
Partly cloudy, with a low around 50. South wind around 6 mph.
A slight chance of rain showers between 8am and 2pm, then showers and thunderstorms likely. Partly sunny, with a high near 78. South wind 5 to 12 mph. Chance of precipitation is 60%.
Showers and thunderstorms likely. Mostly cloudy, with a low around 41. Southwest wind around 10 mph. Chance of precipitation is 60%.
A chance of rain showers. Mostly cloudy, with a high near 52. Chance of precipitation is 50%.
A chance of rain showers before 8pm, then a chance of snow showers between 8pm and 2am. Mostly cloudy, with a low around 29. Chance of precipitation is 50%.
Partly sunny, with a high near 43.
Partly cloudy, with a low around 30.
A slight chance of rain showers after 2pm. Mostly sunny, with a high near 59.
A chance of rain showers. Mostly cloudy, with a low around 44.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Today
Apr 15
|
Showers And Thunderstorms
|
70°F |
6 to 17 mph
SW
|
|
Tonight
Apr 15
|
Chance Showers And Thunderstorms then Patchy Fog
|
58°F |
9 mph
SW
|
|
Thursday
Apr 16
|
Patchy Fog
|
72°F |
8 to 16 mph
SW
|
|
Thursday Night
Apr 16
|
Showers And Thunderstorms
|
52°F |
8 to 13 mph
SW
|
|
Friday
Apr 17
|
Chance Rain Showers
|
64°F |
7 mph
W
|
|
Friday Night
Apr 17
|
Partly Cloudy
|
50°F |
6 mph
S
|
|
Saturday
Apr 18
|
Showers And Thunderstorms Likely
|
78°F |
5 to 12 mph
S
|
|
Saturday Night
Apr 18
|
Showers And Thunderstorms Likely
|
41°F |
10 mph
SW
|
|
Sunday
Apr 19
|
Chance Rain Showers
|
52°F |
10 to 14 mph
W
|
|
Sunday Night
Apr 19
|
Chance Snow Showers
|
29°F |
9 to 13 mph
W
|
|
Monday
Apr 20
|
Partly Sunny
|
43°F |
9 to 13 mph
W
|
|
Monday Night
Apr 20
|
Partly Cloudy
|
30°F |
5 to 10 mph
SW
|
|
Tuesday
Apr 21
|
Mostly Sunny then Slight Chance Rain Showers
|
59°F |
6 to 10 mph
SW
|
|
Tuesday Night
Apr 21
|
Chance Rain Showers
|
44°F |
9 mph
SW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Lancaster.