Belfast, NY Weather Forecast

Local 7-day forecast

70°
F

Patchy Fog then Sunny

Track current conditions, temperature changes, wind, and the full daily outlook for Belfast, NY in one place.

Sunday, May 31, 2026
Wind: 0 to 7 mph W
Sunday

Patchy fog before 9am. Sunny, with a high near 70. West wind 0 to 7 mph.

Local 7-day forecast

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
Next High
70°F
Sunday
Next Low
46°F
Sunday Night
Rain Outlook
1
Periods mentioning precipitation
Windiest
0 to 8 mph
Tuesday

Daily Outlook

Today
May 31
Patchy Fog then Sunny
70 °F
/ 46°F
Wind 0 to 7 mph
Mon
Jun 1
Sunny
70 °F
/ 45°F
Wind 0 to 6 mph
Tue
Jun 2
Sunny
70 °F
/ 47°F
Wind 0 to 8 mph
Wed
Jun 3
Sunny
73 °F
/ 49°F
Wind 0 to 5 mph
Thu
Jun 4
Sunny
79 °F
/ 55°F
Wind 0 to 5 mph
Fri
Jun 5
Mostly Sunny
82 °F
/ 58°F
Wind 2 to 7 mph

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 source

Extended Forecast

Sunday Night
May 31
46°F
Mostly Clear
0 to 5 mph W

Mostly clear, with a low around 46. West wind 0 to 5 mph.

Monday
Jun 1
70°F
Sunny
0 to 6 mph N

Sunny, with a high near 70. North wind 0 to 6 mph.

Monday Night
Jun 1
45°F
Clear
0 to 5 mph NE

Clear, with a low around 45. Northeast wind 0 to 5 mph.

Tuesday
Jun 2
70°F
Sunny
0 to 8 mph N

Sunny, with a high near 70. North wind 0 to 8 mph.

Tuesday Night
Jun 2
47°F
Partly Cloudy
0 to 6 mph N

Partly cloudy, with a low around 47. North wind 0 to 6 mph.

Wednesday
Jun 3
73°F
Sunny
0 to 5 mph N

Sunny, with a high near 73.

Wednesday Night
Jun 3
49°F
Mostly Clear
2 mph NW

Mostly clear, with a low around 49.

Thursday
Jun 4
79°F
Sunny
0 to 5 mph NW

Sunny, with a high near 79.

Thursday Night
Jun 4
55°F
Mostly Clear
3 mph W

Mostly clear, with a low around 55.

Friday
Jun 5
82°F
Mostly Sunny
2 to 7 mph SW

Mostly sunny, with a high near 82.

Friday Night
Jun 5
58°F
Chance Rain Showers
2 to 6 mph W

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
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Weather data provided by the National Weather Service (NOAA). Forecast pages update automatically as new periods are synced for each supported U.S. location.