Portland, NY Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Portland, NY in one place.
Sunny, with a high near 63. Northeast wind around 14 mph.
Local Weather Overview
This forecast page for Portland, 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 6:09 PM EDT.
The active forecast window currently covers May 30 to Jun 5, 2026 for Portland, NY.
Page Snapshot
- Page focus
- city weather
- Forecast window
- May 30 to Jun 5, 2026
- Latest sync
- May 30, 2026 6:09 PM EDT
- Forecast office
- BUF
- Source
- NOAA / NWS
Daily Outlook
This Week in Portland
Friday looks like the warmest upcoming period in Portland at 84 degrees F.
Tonight is the coolest period ahead with temperatures near 47 degrees F.
The strongest winds are forecast for This Afternoon at about 14 mph NE.
Precipitation is mentioned in 1 upcoming forecast period.
Forecast Details
- Last updated
- May 30, 2026 6:09 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
Clear, with a low around 47. Southeast wind 2 to 12 mph.
Sunny, with a high near 71. West wind 3 to 8 mph.
Mostly clear, with a low around 55. Southwest wind 1 to 8 mph.
Sunny, with a high near 73. Northeast wind 2 to 9 mph.
Clear, with a low around 56. Northeast wind 2 to 8 mph.
Sunny, with a high near 74. Northeast wind 2 to 6 mph.
Mostly clear, with a low around 56. Northeast wind 1 to 5 mph.
Sunny, with a high near 75.
Mostly clear, with a low around 59.
Sunny, with a high near 80.
Partly cloudy, with a low around 64.
Mostly sunny, with a high near 84.
A slight chance of showers and thunderstorms between 8pm and 2am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 66.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
This Afternoon
May 30
|
Sunny
|
63°F |
14 mph
NE
|
|
Tonight
May 30
|
Clear
|
47°F |
2 to 12 mph
SE
|
|
Sunday
May 31
|
Sunny
|
71°F |
3 to 8 mph
W
|
|
Sunday Night
May 31
|
Mostly Clear
|
55°F |
1 to 8 mph
SW
|
|
Monday
Jun 1
|
Sunny
|
73°F |
2 to 9 mph
NE
|
|
Monday Night
Jun 1
|
Clear
|
56°F |
2 to 8 mph
NE
|
|
Tuesday
Jun 2
|
Sunny
|
74°F |
2 to 6 mph
NE
|
|
Tuesday Night
Jun 2
|
Mostly Clear
|
56°F |
1 to 5 mph
NE
|
|
Wednesday
Jun 3
|
Sunny
|
75°F |
5 mph
NW
|
|
Wednesday Night
Jun 3
|
Mostly Clear
|
59°F |
3 mph
W
|
|
Thursday
Jun 4
|
Sunny
|
80°F |
3 to 7 mph
W
|
|
Thursday Night
Jun 4
|
Partly Cloudy
|
64°F |
3 to 10 mph
SW
|
|
Friday
Jun 5
|
Mostly Sunny
|
84°F |
12 mph
SW
|
|
Friday Night
Jun 5
|
Slight Chance Showers And Thunderstorms
|
66°F |
7 to 10 mph
SW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Portland.