Current forecastStart with the hourly forecastCheck when rain, wind, and temperature changes overlap your plans.
Open→Weather guidance for your areaPlan with the complete forecast
Safety guides Use current official weather information for Portland, Maine 04103 before making weather-sensitive plans.
Live weatherCheck live radar before leavingUse radar with the forecast to see how precipitation is moving.
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Open→Healthy weatherInclude air quality in outdoor plansUse official EPA information when planning time outside.
Open→Weather status
No active NWS alerts found for Portland, Maine 04103
Conditions can change quickly. Keep Wireless Emergency Alerts enabled and continue to monitor official information.
Official NOAA / NWSWSR-88D DopplerUpdates every 5 minutes
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What’s next
Hourly forecast
Check the latest hourly conditions, seven-day outlook, rain timing, wind, sunrise and sunset for Portland, Maine 04103. Forecasts and alerts update from NOAA and the National Weather Service.
68°Slight Chance Rain Showers18% rain
68°Mostly Cloudy12% rain
67°Patchy Fog6% rain66°Patchy Fog15% rain65°Patchy Fog24% rain66°Chance Rain Showers33% rain
66°Patchy Fog24% rain66°Patchy Fog14% rainNext 24 hours
Rain Timeline
Scattered precipitation is possible. The highest official hourly chance is 33%; check the radar before heading out.
18%Rain
12%None
6%None
15%None
24%None
33%Rain
24%None
14%None
5%None
2%None
2%None
0%None
1%None
0%None
0%None
1%None
0%None
0%None
0%None
0%None
2%None
2%None
3%None
4%None
Official NWS outlook
7-Day Forecast
Today
68°64°
Patchy Fog
- Precipitation
- 33%
- Wind
- S 0 to 5 mph
- Sunrise
- 5:55 AM
- Sunset
- 7:34 PM
Mon
81°59°
Patchy Fog then Mostly Sunny
- Precipitation
- 5%
- Wind
- SW 0 to 15 mph
- Sunrise
- 5:57 AM
- Sunset
- 7:33 PM
Tue
81°58°
Mostly Sunny
- Precipitation
- 6%
- Wind
- SW 5 to 10 mph
- Sunrise
- 5:58 AM
- Sunset
- 7:31 PM
Wed
82°59°
Sunny
- Precipitation
- 0%
- Wind
- SW 0 to 10 mph
- Sunrise
- 5:59 AM
- Sunset
- 7:29 PM
Thu
83°64°
Mostly Sunny
- Precipitation
- 56%
- Wind
- SW 0 to 15 mph
- Sunrise
- 6:00 AM
- Sunset
- 7:27 PM
Fri
82°60°
Rain Showers Likely
- Precipitation
- 55%
- Wind
- S 5 to 10 mph
- Sunrise
- 6:01 AM
- Sunset
- 7:26 PM
Sat
82°55°
Mostly Sunny
- Precipitation
- 4%
- Wind
- W 5 mph
- Sunrise
- 6:02 AM
- Sunset
- 7:24 PM
Forecasts, icons, precipitation, wind, and alerts are from the National Weather Service. Sunrise and sunset are calculated locally for the selected coordinates.
Weather for a healthier day
Healthy Weather
Real Feel66°F
Good conditions for walking
Conditions look reasonable, but stay alert for quick weather changes.
WindCalm0 mph
Best walk timeNo clearly better outdoor window today
The official hourly forecast shows similar weather impacts across the available hours. Shorten or move plans indoors if conditions are uncomfortable, and check active alerts before leaving.
Official EPA AirNowLocal air qualityPortland, Maine 04103View AQI +
More weather details
Wind gustsNot reported
Rain now18%next hour
Humidity94%current
UV indexCheckingEPA forecast
Wind impact: Light wind with little expected outdoor impact.
“Better weather window” is planning guidance based on official NWS data—not a promise of safe conditions. Review active alerts and radar before leaving.
Storm & DetailsGusts, pressure, visibility and official risk outlooksView details +
Wind gustNot reported
Pressure29.82 in
Visibility10.0 mi
Peak rain chance33%
Dew point64°F
Active alertsNone
Official risk outlooks
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