Portland, IN Weather Forecast
Local 7-day forecast
Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for Portland, IN in one place.
A chance of showers and thunderstorms before 8am, then a slight chance of showers and thunderstorms between 8am and 2pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 82. Chance of precipitation is 40%.
Local Weather Overview
This forecast page for Portland, IN 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: Apr 10, 2026 8:39 AM EDT.
The active forecast window currently covers Apr 14 to Apr 16, 2026 for Portland, IN.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 14 to Apr 16, 2026
- Latest sync
- Apr 10, 2026 8:39 AM EDT
- Forecast office
- IWX
- Source
- NOAA / NWS
Daily Outlook
This Week in Portland
Tuesday looks like the warmest upcoming period in Portland at 82 degrees F.
Thursday Night is the coolest period ahead with temperatures near 57 degrees F.
The strongest winds are forecast for Tuesday at about 15 to 20 mph SW.
Precipitation is mentioned in 6 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 10, 2026 8:39 AM EDT
- Coverage
- 3 days
- Time zone
- America/Indiana/Indianapolis
- Forecast office
- IWX
- Radar station
- KIWX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
A chance of showers and thunderstorms before 2am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 67. Chance of precipitation is 50%.
A chance of showers and thunderstorms before 2pm, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 81. Chance of precipitation is 50%.
A chance of showers and thunderstorms. Mostly cloudy, with a low around 58.
A chance of rain showers. Partly sunny, with a high near 78.
A chance of rain showers before 8pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 57.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tuesday
Apr 14
|
Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms
|
82°F |
15 to 20 mph
SW
|
|
Tuesday Night
Apr 14
|
Chance Showers And Thunderstorms
|
67°F |
15 mph
SW
|
|
Wednesday
Apr 15
|
Chance Showers And Thunderstorms
|
81°F |
15 to 20 mph
SW
|
|
Wednesday Night
Apr 15
|
Chance Showers And Thunderstorms
|
58°F |
10 to 15 mph
SW
|
|
Thursday
Apr 16
|
Chance Rain Showers
|
78°F |
10 to 15 mph
SW
|
|
Thursday Night
Apr 16
|
Chance Showers And Thunderstorms
|
57°F |
5 to 10 mph
SW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Portland.