Williamsville, NY Weather Forecast
Local 7-day forecast
Rain
Track current conditions, temperature changes, wind, and the full daily outlook for Williamsville, NY in one place.
Rain and a slight chance of thunderstorms. Cloudy. High near 67, with temperatures falling to around 57 in the afternoon. West wind 17 to 23 mph, with gusts as high as 45 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Local Weather Overview
This forecast page for Williamsville, 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: Oct 15, 2026 8:19 PM EDT.
The active forecast window currently covers Oct 16 to Oct 22, 2026 for Williamsville, NY.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Oct 16 to Oct 22, 2026
- Latest sync
- Oct 15, 2026 8:19 PM EDT
- Forecast office
- BUF
- Source
- NOAA / NWS
Daily Outlook
This Week in Williamsville
Friday looks like the warmest upcoming period in Williamsville at 67 degrees F.
Friday Night is the coolest period ahead with temperatures near 35 degrees F.
The strongest winds are forecast for Friday at about 17 to 23 mph W.
Precipitation is mentioned in 3 upcoming forecast periods.
Forecast Details
- Last updated
- Oct 15, 2026 8:19 PM 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 rain before 5am. Mostly cloudy, with a low around 35. Northwest wind 12 to 16 mph, with gusts as high as 30 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.
Mostly sunny, with a high near 48. Northwest wind around 12 mph. New rainfall amounts less than a tenth of an inch possible.
Clear, with a low around 36. West wind around 7 mph.
Sunny, with a high near 59. Southwest wind 6 to 15 mph, with gusts as high as 26 mph.
Clear, with a low around 42. Southwest wind around 12 mph.
Sunny, with a high near 64. Southwest wind 8 to 12 mph.
Partly cloudy, with a low around 41.
Mostly sunny, with a high near 66.
Partly cloudy, with a low around 41.
Sunny, with a high near 65.
Mostly clear, with a low around 40.
Sunny, with a high near 65.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Friday
Oct 16
|
Rain
|
67°F |
17 to 23 mph
W
|
|
Friday Night
Oct 16
|
Chance Light Rain
|
35°F |
12 to 16 mph
NW
|
|
Saturday
Oct 17
|
Mostly Sunny
|
48°F |
12 mph
NW
|
|
Saturday Night
Oct 17
|
Clear
|
36°F |
7 mph
W
|
|
Sunday
Oct 18
|
Sunny
|
59°F |
6 to 15 mph
SW
|
|
Sunday Night
Oct 18
|
Clear
|
42°F |
12 mph
SW
|
|
Monday
Oct 19
|
Sunny
|
64°F |
8 to 12 mph
SW
|
|
Monday Night
Oct 19
|
Partly Cloudy
|
41°F |
3 to 7 mph
SW
|
|
Tuesday
Oct 20
|
Mostly Sunny
|
66°F |
6 mph
W
|
|
Tuesday Night
Oct 20
|
Partly Cloudy
|
41°F |
1 to 5 mph
N
|
|
Wednesday
Oct 21
|
Sunny
|
65°F |
1 to 7 mph
NE
|
|
Wednesday Night
Oct 21
|
Mostly Clear
|
40°F |
7 mph
E
|
|
Thursday
Oct 22
|
Sunny
|
65°F |
6 mph
SW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Williamsville.
