Portland, CT Weather Forecast
Local 7-day forecast
Mostly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Portland, CT in one place.
Mostly sunny, with a high near 62. North wind 15 to 21 mph, with gusts as high as 35 mph.
Local Weather Overview
This forecast page for Portland, CT 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 28, 2026 8:58 PM EDT.
The active forecast window currently covers May 30 to Jun 4, 2026 for Portland, CT.
Page Snapshot
- Page focus
- city weather
- Forecast window
- May 30 to Jun 4, 2026
- Latest sync
- May 28, 2026 8:58 PM EDT
- Forecast office
- OKX
- Source
- NOAA / NWS
Daily Outlook
This Week in Portland
Thursday looks like the warmest upcoming period in Portland at 77 degrees F.
Saturday Night is the coolest period ahead with temperatures near 40 degrees F.
The strongest winds are forecast for Saturday at about 15 to 21 mph N.
Precipitation is mentioned in 6 upcoming forecast periods.
Forecast Details
- Last updated
- May 28, 2026 8:58 PM EDT
- Coverage
- 6 days
- Time zone
- America/New_York
- Forecast office
- OKX
- Radar station
- KOKX
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 40. North wind 2 to 12 mph.
Sunny, with a high near 75.
Mostly cloudy, with a low around 55.
A chance of rain showers after 8am. Partly sunny, with a high near 72. Chance of precipitation is 30%.
A chance of rain showers before 8pm. Partly cloudy, with a low around 51. Chance of precipitation is 30%.
A chance of rain showers between 8am and 2pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 70. Chance of precipitation is 50%.
A chance of showers and thunderstorms. Mostly cloudy, with a low around 51. Chance of precipitation is 50%.
A chance of rain showers. Mostly sunny, with a high near 71. Chance of precipitation is 30%.
A chance of rain showers before 8pm. Partly cloudy, with a low around 54. Chance of precipitation is 30%.
Sunny, with a high near 77.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Saturday
May 30
|
Mostly Sunny
|
62°F |
15 to 21 mph
N
|
|
Saturday Night
May 30
|
Mostly Clear
|
40°F |
2 to 12 mph
N
|
|
Sunday
May 31
|
Sunny
|
75°F |
3 to 7 mph
NW
|
|
Sunday Night
May 31
|
Mostly Cloudy
|
55°F |
7 mph
SW
|
|
Monday
Jun 1
|
Chance Rain Showers
|
72°F |
5 to 8 mph
W
|
|
Monday Night
Jun 1
|
Chance Rain Showers then Partly Cloudy
|
51°F |
1 to 6 mph
N
|
|
Tuesday
Jun 2
|
Chance Rain Showers
|
70°F |
6 mph
N
|
|
Tuesday Night
Jun 2
|
Chance Showers And Thunderstorms
|
51°F |
5 mph
NE
|
|
Wednesday
Jun 3
|
Chance Rain Showers
|
71°F |
5 to 8 mph
N
|
|
Wednesday Night
Jun 3
|
Chance Rain Showers then Partly Cloudy
|
54°F |
2 to 6 mph
NW
|
|
Thursday
Jun 4
|
Sunny
|
77°F |
3 to 7 mph
W
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Portland.