Portland, ME Weather Forecast | 5 Day
Updated: Sun Jul 13th 2025 4:30 AM EDT
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Overcast
Sun 7-13-25
Overcast with a high of 65°F and a low of 63°F. Wind will be moderate, blowing around 13mph on average and gusts of 15.9mph at 11 PM. High humidity with average of 97% is anticipated, the maximum being 98% at 5 AM and 94% being its lowest at 3 PM. Barometric pressure is its highest of 30.12inHg at 10 AM, a lowest point of 30.08inHg at 4 PM with an avg 30.1inHg.
- HI: 65°F
- LO: 63°F
- Rainfall: 0%
- Snowfall: 0%
- Wind
12.3 mph - Humidity
97% avg. - UV Index
2.5 - Air QualityGood
- Sunrise
05:12 AM - Sunset
08:21 PM - Moonrise
10:17 PM - Moonset
07:57 AM - Moon Phase
Waning Gibbous

Fog
Weather Tomorrow, Mon 7-14-25
Fog with a high of 66°F and a low of 62°F. Wind will be moderate, blowing around 13mph on average and gusts of 19.3mph at 2 PM. High humidity with average of 96% is anticipated, the maximum being 98% at 5 AM and 92% being its lowest at 5 PM. Barometric pressure is its highest of 30.09inHg at 12 AM, a lowest point of 30.01inHg at 6 PM with an avg 30.05inHg.
- HI: 66°F
- LO: 62°F
- Rainfall: 0%
- Snowfall: 0%
- Wind
13 mph - Humidity
96% avg. - UV Index
2.2 - Air QualityGood
- Sunrise
05:13 AM - Sunset
08:20 PM - Moonrise
10:39 PM - Moonset
09:11 AM - Moon Phase
Waning Gibbous

Partly Cloudy
Tue 7-15-25
Partly Cloudy with a high of 75°F and a low of 64°F. Wind will be moderate, blowing around 11mph on average and gusts of 18.3mph at 7 PM. High humidity with average of 92% is anticipated, the maximum being 98% at 5 AM and 80% being its lowest at 5 PM. Barometric pressure is its highest of 30.05inHg at 8 AM, a lowest point of 30inHg at 5 PM with an avg 30.03inHg.
- HI: 75°F
- LO: 64°F
- Rainfall: 0%
- Snowfall: 0%
- Wind
10.3 mph - Humidity
92% avg. - UV Index
2 - Air QualityModerate
- Sunrise
05:14 AM - Sunset
08:20 PM - Moonrise
10:59 PM - Moonset
10:23 AM - Moon Phase
Waning Gibbous

Scattered Showers
Wed 7-16-25
Scattered Showers with a high of 79°F and a low of 65°F. It will likey rain, having a 89% chance of a downpour with an estimated 0.01in. Wind will be moderate, blowing around 12mph on average and gusts of 22.3mph at 4 PM. High humidity with average of 82% is anticipated, the maximum being 99% at 3 AM and 66% being its lowest at 4 PM. Barometric pressure is its highest of 30.04inHg at 1 AM, a lowest point of 29.94inHg at 6 PM with an avg 29.99inHg.
- HI: 79°F
- LO: 65°F
- Rainfall: 89% | est. 0.01in
- Snowfall: 0%
- Wind
11.9 mph - Humidity
82% avg. - UV Index
2.2 - Air QualityModerate
- Sunrise
05:15 AM - Sunset
08:19 PM - Moonrise
11:19 PM - Moonset
11:38 AM - Moon Phase
Waning Gibbous

Sunny
Thu 7-17-25
Sunny with a high of 83°F and a low of 70°F. Wind will be moderate, blowing around 16mph on average and gusts of 30.2mph at 2 PM. The humidity will be on the higher side, averaging about 78%, the maximum being 90% at 6 AM and 64% being its lowest at 2 PM. Barometric pressure is its highest of 29.94inHg at 12 AM, a lowest point of 29.81inHg at 5 PM with an avg 29.88inHg.
- HI: 83°F
- LO: 70°F
- Rainfall: 0% | est. 0in
- Snowfall: 0%
- Wind
15.7 mph - Humidity
78% avg. - UV Index
0.3 - Air QualityTBA
- Sunrise
05:16 AM - Sunset
08:18 PM - Moonrise
11:42 PM - Moonset
12:53 PM - Moon Phase
Last Quarter

Scattered Showers
Fri 7-18-25
Scattered Showers with a high of 76°F and a low of 67°F. It will likey rain, having a 88% chance of a downpour with an estimated 0.16in. Winds will be light at 9mph and gusts of 19.5mph at 12 AM. High humidity with average of 86% is anticipated, the maximum being 97% at 11 PM and 73% being its lowest at 12 AM. Barometric pressure is its highest of 30.01inHg at 11 PM, a lowest point of 29.85inHg at 1 AM with an avg 29.93inHg.
- HI: 76°F
- LO: 67°F
- Rainfall: 88% | est. 0.16in
- Snowfall: 0%
- Wind
8.3 mph - Humidity
86% avg. - UV Index
5 - Air QualityTBA
- Sunrise
05:17 AM - Sunset
08:17 PM - Moonrise
No moonrise - Moonset
02:10 PM - Moon Phase
Last Quarter
This 5-Day weather forecast is relevant for ZIP codes from 04101 through 04124, accurately covering all areas within Portland, ME.
Currently
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63°F |
30.13 inHg.
Barometer 100%
Humidity S 10.1 mph Wind |
Overcast |
National Outlook
Weekend Storms and Heat Alert: Great Lakes to East Coast & Southern Plains
Sat Jul 12th 2025, 5:45am PDT
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