Portsmouth, RI Weather Forecast | 5 Day
Updated: Sun Apr 20th 2025 1:15 PM EDT

Partly Cloudy
Sun 4-20
Partly Cloudy with a high of 63°F and a low of 51°F. Wind will be moderate, blowing around 19mph on average and gusts of 18.7mph at 3 PM. Humidity levels should be comfortable, sitting around 50% on average, the maximum being 34% at 2 PM and 30% being its lowest at 5 PM. Barometric pressure is its highest of 30.31inHg at 11 PM, a lowest point of 30.17inHg at 2 PM with an avg 30.24inHg.
- HI: 63°F
- LO: 51°F
- Rainfall: 0%
- Snowfall: 0%
- Wind
18.3 mph - Humidity
50% avg. - UV Index
1.7 - Air QualityGood
- Sunrise
05:56 AM - Sunset
07:31 PM - Moonrise
02:09 AM - Moonset
11:00 AM - Moon Phase
Last Quarter

Partly Cloudy
Mon 4-21
Partly Cloudy with a high of 58°F and a low of 41°F. Wind will be moderate, blowing around 13mph on average and gusts of 15.6mph at 11 PM. Humidity levels should be comfortable, sitting around 44% on average, the maximum being 74% at 11 PM and 31% being its lowest at 12 AM. Barometric pressure is its highest of 30.36inHg at 7 AM, a lowest point of 30.13inHg at 11 PM with an avg 30.27inHg.
- HI: 58°F
- LO: 41°F
- Rainfall: 0%
- Snowfall: 0%
- Wind
12.5 mph - Humidity
44% avg. - UV Index
1.7 - Air QualityGood
- Sunrise
05:54 AM - Sunset
07:32 PM - Moonrise
02:46 AM - Moonset
12:10 PM - Moon Phase
Last Quarter

Moderate Rain
Tue 4-22
Moderate Rain with a high of 71°F and a low of 46°F. It will likey rain, having a 77% chance of a downpour with an estimated 0.33in. Wind will be moderate, blowing around 14mph on average and gusts of 20.8mph at 5 PM. The humidity will be on the higher side, averaging about 74%, the maximum being 96% at 8 AM and 50% being its lowest at 8 PM. Barometric pressure is its highest of 30.12inHg at 11 PM, a lowest point of 29.86inHg at 5 PM with an avg 29.95inHg.
- HI: 71°F
- LO: 46°F
- Rainfall: 77% | est. 0.33in
- Snowfall: 0%
- Wind
13.4 mph - Humidity
74% avg. - UV Index
1.2 - Air QualityModerate
- Sunrise
05:53 AM - Sunset
07:33 PM - Moonrise
03:17 AM - Moonset
01:24 PM - Moon Phase
Waning Crescent

Sunny
Wed 4-23
Sunny with a high of 66°F and a low of 46°F. Wind will be moderate, blowing around 12mph on average and gusts of 18.2mph at 12 AM. Humidity levels should be comfortable, sitting around 57% on average, the maximum being 78% at 10 PM and 44% being its lowest at 2 PM. Barometric pressure is its highest of 30.25inHg at 9 PM, a lowest point of 30.07inHg at 12 AM with an avg 30.16inHg.
- HI: 66°F
- LO: 46°F
- Rainfall: 0%
- Snowfall: 0%
- Wind
11.2 mph - Humidity
57% avg. - UV Index
1.7 - Air QualityGood
- Sunrise
05:51 AM - Sunset
07:34 PM - Moonrise
03:43 AM - Moonset
02:38 PM - Moon Phase
Waning Crescent

Sunny
Thu 4-24
Sunny with a high of 59°F and a low of 43°F. Wind will be moderate, blowing around 12mph on average and gusts of 16.1mph at 8 PM. The humidity will be on the higher side, averaging about 71%, the maximum being 85% at 6 AM and 55% being its lowest at 1 PM. Barometric pressure is its highest of 30.35inHg at 8 AM, a lowest point of 30.27inHg at 12 AM with an avg 30.31inHg.
- HI: 59°F
- LO: 43°F
- Rainfall: 0%
- Snowfall: 0%
- Wind
11.6 mph - Humidity
71% avg. - UV Index
0.1 - Air QualityGood
- Sunrise
05:50 AM - Sunset
07:35 PM - Moonrise
04:07 AM - Moonset
03:55 PM - Moon Phase
Waning Crescent

Patchy Rain Nearby
Fri 4-25
Scattered showers with a high of 61°F and a low of 47°F. Rainfall expected in the surrounding area to have a 73% chance with an estimated 0.01in. Wind will be moderate, blowing around 11mph on average and gusts of 15.8mph at 12 AM. High humidity with average of 81% is anticipated, the maximum being 94% at 11 PM and 61% being its lowest at 2 PM. Barometric pressure is its highest of 30.28inHg at 8 AM, a lowest point of 30.17inHg at 11 PM with an avg 30.24inHg.
- HI: 61°F
- LO: 47°F
- Rainfall: 73% | est. 0.01in
- Snowfall: 0%
- Wind
10.7 mph - Humidity
81% avg. - UV Index
3 - Air QualityTBA
- Sunrise
05:48 AM - Sunset
07:36 PM - Moonrise
04:30 AM - Moonset
05:12 PM - Moon Phase
Waning Crescent
Currently
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62°F |
30.14 inHg.
Barometer 31%
Humidity NW 27.7 mph Wind |
Sunny |