New York, NY 69° Los Angeles, CA 74° 🌤️ Chicago, IL Houston, TX 83° 🌤️ Miami, FL 🌤️ Phoenix, AZ 🌤️ Seattle, WA 🌤️ Denver, CO Toronto, ON 68° Vancouver, BC 62°
WeatherLiveNew YorkWilliamsville

Williamsville, NY Weather (14221)

ZIP codes: 14221 · 14241
Current WeatherWilliamsville · 11:38 AM EDT
84° | 54°
73°F
Feels like 73°
Sunny
WindSE 3 mph · Gusts 4 mph
Precip5% · –
Humidity52% · Dew point 54°
UV index7 High
Air Quality41 Good
Pressure30.12 inHg
Visibility6 mi
Sunrise / Sunset6:27 AM · 8:08 PM · 13h 41m

Weather map — Williamsville

Full radar →
Now
73°
3%
3 mph
12:00
77°
1%
5 mph
13:00
80°
1%
2 mph
14:00
84°
1%
2 mph
15:00
80°
1%
2 mph
16:00
81°
9%
2 mph
17:00
79°
1%
3 mph
18:00
77°
1%
5 mph
19:00
73°
3%
7 mph
20:00
71°
5%
7 mph
21:00
68°
6%
6 mph
22:00
67°
5%
6 mph
23:00
66°
5%
6 mph
00:00
66°
5%
6 mph
01:00
64°
6%
7 mph
02:00
63°
6%
6 mph
03:00
63°
6%
5 mph
04:00
62°
6%
5 mph
05:00
62°
7%
6 mph
06:00
63°
9%
5 mph
07:00
64°
16%
5 mph
08:00
65°
21%
5 mph
09:00
67°
30%
4 mph
10:00
66°
0.03 in
5 mph

Today · Fri 8/21

High 84°
5% / –

Sunny. Winds N at 7 mph.

Tonight · Fri 8/21

Low 62°
6% / –

Sunny. Winds NE at 6 mph.

Tomorrow · Sat 8/22

75° | 62°
76% / 0.29 in

Sunny. Winds S at 9 mph.

7-day trend

Williamsville · temperature + precipitation

10-day forecast

Updated 11:38 AM

Details & indices

Wind
3 mph SE
Gusts 4 mph
Humidity
52%
Dew point 54°
Pressure
30.12 inHg
Rising
UV index
7 — High
High today
Air Quality
Good
AQI 41 · US EPA
Allergy
Very high
Mugwort
Visibility
6 mi
Clear view
Allergy — Williamsville

🌿 Conditions right now

View all →
Birch
None
Grass
High
Oak
None
Alder
None
Hazel
None
Mugwort
Very high
Ragweed
Moderate

Sun & moon

Sunrise6:27 AM
Sunset8:08 PM
Length of day13h 41m
Moonrise4:18 PM
Moonset
Next full moonAug 28 Sturgeon Moon
Latitude42.9639°N
Longitude-78.7378°E

Water temps nearby

View all →
No beaches within 50 miles
🌤️No rain expected in the next 90 minutes
Now+30+60+90 min
Minute-by-minute precip · HRRR nowcast

Daily planner

computed from today's forecast
Laundry day
Great
Line-drying weather
Grilling
Great
Fire up the grill
Running
Fair
Lace up outside
Patio
Great
Dinner outdoors
Nearby places in {{REGION}}
New York
Heavy rain
69°
Brooklyn
Sunny
72°
🌤️
Queens
Manhattan
Showers
71°
The Bronx
Heavy rain
70°
🌤️
Staten Island
Data sources · Friday, August 21
Where the Williamsville forecast comes from
This page blends NOAA/NWS model guidance with global ensembles for the 10-day outlook, air quality and alerts. Data refreshes every hour, current conditions every 15 minutes. Coordinates: 42.9639°N, -78.7378°.
NBM + global weather models
Updated: 11:38 AM
Weather in Williamsville
Over the next 10 days Williamsville tops out around 84° (Friday) and dips to 54° on the coolest night (Friday). Roughly 1.7 in of rain falls over the period, with Sunday the most likely wet day (88%). Expect a blustery spell — gusts near 26 mph on Saturday. The NWS alert board for this area is currently clear. Right now Williamsville is running about 19° warmer than Rochester. Longer view: classic Northeast mix — nor'easters, humid spells and a glorious fall.
Williamsville, NY · Elev 676 ft · 42.96°N, 78.74°W · New York · Forecast computed for these exact coordinates
Powered by NWS/NOAA guidance, multi-model forecasts and official environmental feeds · NOAA/NWS · EPA AirNow · MET Norway · global models
Updated: 11:38 AM