Belfast, NY Weather Forecast
Local 7-day forecast
Patchy Fog then Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Belfast, NY in one place.
Patchy fog before 9am. Sunny, with a high near 70. West wind 0 to 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: May 30, 2026 6:27 PM EDT.
The active forecast window currently covers May 31 to Jun 5, 2026 for Belfast, NY.
Page Snapshot
- Page focus
- city weather
- Forecast window
- May 31 to Jun 5, 2026
- Latest sync
- May 30, 2026 6:27 PM EDT
- Forecast office
- BUF
- Source
- NOAA / NWS
Daily Outlook
This Week in Belfast
Friday looks like the warmest upcoming period in Belfast at 82 degrees F.
Monday Night is the coolest period ahead with temperatures near 45 degrees F.
The strongest winds are forecast for Tuesday at about 0 to 8 mph N.
Precipitation is mentioned in 1 upcoming forecast period.
Forecast Details
- Last updated
- May 30, 2026 6:27 PM EDT
- Coverage
- 6 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
Mostly clear, with a low around 46. West wind 0 to 5 mph.
Sunny, with a high near 70. North wind 0 to 6 mph.
Clear, with a low around 45. Northeast wind 0 to 5 mph.
Sunny, with a high near 70. North wind 0 to 8 mph.
Partly cloudy, with a low around 47. North wind 0 to 6 mph.
Sunny, with a high near 73.
Mostly clear, with a low around 49.
Sunny, with a high near 79.
Mostly clear, with a low around 55.
Mostly sunny, with a high near 82.
A chance of rain showers after 8pm. Mostly cloudy, with a low around 58.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Sunday
May 31
|
Patchy Fog then Sunny
|
70°F |
0 to 7 mph
W
|
|
Sunday Night
May 31
|
Mostly Clear
|
46°F |
0 to 5 mph
W
|
|
Monday
Jun 1
|
Sunny
|
70°F |
0 to 6 mph
N
|
|
Monday Night
Jun 1
|
Clear
|
45°F |
0 to 5 mph
NE
|
|
Tuesday
Jun 2
|
Sunny
|
70°F |
0 to 8 mph
N
|
|
Tuesday Night
Jun 2
|
Partly Cloudy
|
47°F |
0 to 6 mph
N
|
|
Wednesday
Jun 3
|
Sunny
|
73°F |
0 to 5 mph
N
|
|
Wednesday Night
Jun 3
|
Mostly Clear
|
49°F |
2 mph
NW
|
|
Thursday
Jun 4
|
Sunny
|
79°F |
0 to 5 mph
NW
|
|
Thursday Night
Jun 4
|
Mostly Clear
|
55°F |
3 mph
W
|
|
Friday
Jun 5
|
Mostly Sunny
|
82°F |
2 to 7 mph
SW
|
|
Friday Night
Jun 5
|
Chance Rain Showers
|
58°F |
2 to 6 mph
W
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Belfast.