Belfast, NY Weather Forecast
Local 7-day forecast
Mostly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Belfast, NY in one place.
Mostly sunny, with a high near 63. Southeast wind around 7 mph.
Local Weather Overview
This forecast page for Belfast, 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 3:55 PM EDT.
The active forecast window currently covers Oct 15 to Oct 21, 2026 for Belfast, NY.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Oct 15 to Oct 21, 2026
- Latest sync
- Oct 15, 2026 3:55 PM EDT
- Forecast office
- BUF
- Source
- NOAA / NWS
Daily Outlook
This Week in Belfast
Friday looks like the warmest upcoming period in Belfast at 70 degrees F.
Saturday Night is the coolest period ahead with temperatures near 29 degrees F.
The strongest winds are forecast for Tonight at about 7 to 15 mph S.
Precipitation is mentioned in 4 upcoming forecast periods.
Forecast Details
- Last updated
- Oct 15, 2026 3:55 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 showers between 11pm and 2am, then periods of rain and a slight chance of thunderstorms. Mostly cloudy. Low around 54, with temperatures rising to around 60 overnight. South wind 7 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Periods of rain and a slight chance of thunderstorms. Cloudy. High near 70, with temperatures falling to around 58 in the afternoon. Southwest wind around 14 mph, with gusts as high as 28 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Rain likely before 2am, then a chance of rain showers. Cloudy, with a low around 34. Northwest wind 9 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 70%. New rainfall amounts less than a tenth of an inch possible.
A chance of rain showers before 11am, then a slight chance of rain and snow showers between 11am and 2pm. Mostly sunny, with a high near 45. Northwest wind 8 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
Mostly clear, with a low around 29. West wind 1 to 6 mph.
Sunny, with a high near 60. Southwest wind 2 to 6 mph.
Clear, with a low around 34. Southwest wind around 5 mph.
Sunny, with a high near 62.
Partly cloudy, with a low around 36.
Mostly sunny, with a high near 63.
Partly cloudy, with a low around 36.
Sunny, with a high near 62.
Mostly clear, with a low around 36.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
This Afternoon
Oct 15
|
Mostly Sunny
|
63°F |
7 mph
SE
|
|
Tonight
Oct 15
|
Chance Rain Showers then Periods Of Rain
|
54°F |
7 to 15 mph
S
|
|
Friday
Oct 16
|
Periods Of Rain
|
70°F |
14 mph
SW
|
|
Friday Night
Oct 16
|
Light Rain Likely
|
34°F |
9 to 13 mph
NW
|
|
Saturday
Oct 17
|
Slight Chance Rain And Snow Showers
|
45°F |
8 to 13 mph
NW
|
|
Saturday Night
Oct 17
|
Mostly Clear
|
29°F |
1 to 6 mph
W
|
|
Sunday
Oct 18
|
Sunny
|
60°F |
2 to 6 mph
SW
|
|
Sunday Night
Oct 18
|
Clear
|
34°F |
5 mph
SW
|
|
Monday
Oct 19
|
Sunny
|
62°F |
5 mph
SW
|
|
Monday Night
Oct 19
|
Partly Cloudy
|
36°F |
3 mph
SW
|
|
Tuesday
Oct 20
|
Mostly Sunny
|
63°F |
3 mph
W
|
|
Tuesday Night
Oct 20
|
Partly Cloudy
|
36°F |
2 mph
N
|
|
Wednesday
Oct 21
|
Sunny
|
62°F |
2 mph
NE
|
|
Wednesday Night
Oct 21
|
Mostly Clear
|
36°F |
2 mph
SE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Belfast.
