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Portsmouth, NH Hourly Weather Forecast

Next 48 Hours

Thu, May 14th 2026

Light rain expected later. Rain forecasted to be light rain (up to 0.07in), light drizzle (up to 0.03in). Temps range from 50° to 52°. Breezy wind from the NE at 7.8 mph, with humidity ranging 99% to 100%, and an avg barometric pressure of 29.7 inHg.
Thu, May 14th Temp Humidity Wind (mph) Pressure (inHg) Precip.
10 PM Light Rain at 10 PM on Thu, May 14th 2026
Light Rain
UV: 0
52°F

Feels
50°F
99% 6.9 NE 29.7 100%

Rain est. 0.07in
11 PM Light Drizzle at 11 PM on Thu, May 14th 2026
Light Drizzle
UV: 0
50°F

Feels
48°F
100% 8.7 ENE 29.7 100%

Rain est. 0.03in

Fri, May 15th 2026

Expect consistent Scattered showers skies throughout the day. Rain forecasted to be scattered showers (up to 0.01in), fog (up to 0.00in), light rain (up to 0.03in), light rain shower (up to 0.02in), mist (up to 0.00in). Temps range from 48° to 50°. Breezy wind, shifting from ENE to WNW at 8.8 mph, as humidity ranges 96% to 100%, and an avg barometric pressure of 29.84 inHg.
Fri, May 15th Temp Humidity Wind (mph) Pressure (inHg) Precip.
12 AM Overcast at 12 AM on Fri, May 15th 2026
Overcast
UV: 0
50°F

Feels
46°F
100% 6.7 ENE 29.71 0%
1 AM Scattered Showers at 1 AM on Fri, May 15th 2026
Scattered Showers
UV: 0
49°F

Feels
46°F
100% 8.1 E 29.72 60%
2 AM Scattered Showers at 2 AM on Fri, May 15th 2026
Scattered Showers
UV: 0
49°F

Feels
45°F
99% 9.2 ENE 29.72 100%
3 AM Scattered Showers at 3 AM on Fri, May 15th 2026
Scattered Showers
UV: 0
49°F

Feels
45°F
98% 10.3 NE 29.73 100%
4 AM Scattered Showers at 4 AM on Fri, May 15th 2026
Scattered Showers
UV: 0
48°F

Feels
45°F
98% 10.3 NE 29.73 100%
5 AM Fog at 5 AM on Fri, May 15th 2026
Fog
UV: 0
48°F

Feels
45°F
99% 9.8 NE 29.73 100%
6 AM Fog at 6 AM on Fri, May 15th 2026
Fog
UV: 0
48°F

Feels
44°F
99% 9.6 NE 29.75 68%
7 AM Light Rain at 7 AM on Fri, May 15th 2026
Light Rain
UV: 0
48°F

Feels
44°F
99% 9.8 NE 29.77 100%

Rain est. 0.03in
8 AM Light Rain Shower at 8 AM on Fri, May 15th 2026
Light Rain Shower
UV: 0.1
48°F

Feels
43°F
99% 10.5 NE 29.79 100%

Rain est. 0.02in
9 AM Light Rain Shower at 9 AM on Fri, May 15th 2026
Light Rain Shower
UV: 0.3
48°F

Feels
43°F
98% 11.2 NE 29.81 100%

Rain est. 0.01in
10 AM Light Rain Shower at 10 AM on Fri, May 15th 2026
Light Rain Shower
UV: 0.5
48°F

Feels
43°F
98% 11.6 NE 29.82 100%

Rain est. 0.01in
11 AM Scattered Showers at 11 AM on Fri, May 15th 2026
Scattered Showers
UV: 0.7
48°F

Feels
43°F
98% 12.5 NE 29.84 100%

Rain est. 0.01in
12 PM Scattered Showers at 12 PM on Fri, May 15th 2026
Scattered Showers
UV: 0.9
48°F

Feels
43°F
98% 12.8 NE 29.84 100%
1 PM Scattered Showers at 1 PM on Fri, May 15th 2026
Scattered Showers
UV: 1
48°F

Feels
43°F
98% 12.1 NE 29.86 100%
2 PM Scattered Showers at 2 PM on Fri, May 15th 2026
Scattered Showers
UV: 0.9
48°F

Feels
44°F
98% 11.6 NE 29.87 100%
3 PM Scattered Showers at 3 PM on Fri, May 15th 2026
Scattered Showers
UV: 0.7
48°F

Feels
44°F
98% 10.7 NE 29.88 100%
4 PM Scattered Showers at 4 PM on Fri, May 15th 2026
Scattered Showers
UV: 0.4
49°F

Feels
44°F
98% 9.8 NE 29.9 100%
5 PM Scattered Showers at 5 PM on Fri, May 15th 2026
Scattered Showers
UV: 0.2
49°F

Feels
45°F
97% 8.7 NE 29.91 86%
6 PM Mist at 6 PM on Fri, May 15th 2026
Mist
UV: 0.1
49°F

Feels
46°F
97% 6.9 NNE 29.92 84%
7 PM Mist at 7 PM on Fri, May 15th 2026
Mist
UV: 0.1
49°F

Feels
47°F
96% 5.6 NNE 29.94 0%
8 PM Mist at 8 PM on Fri, May 15th 2026
Mist
UV: 0
49°F

Feels
48°F
97% 3.8 N 29.95 0%
9 PM Fog at 9 PM on Fri, May 15th 2026
Fog
UV: 0
49°F

Feels
48°F
97% 2.5 NW 29.96 0%
10 PM Fog at 10 PM on Fri, May 15th 2026
Fog
UV: 0
49°F

Feels
48°F
97% 3.6 WNW 29.98 0%
11 PM Fog at 11 PM on Fri, May 15th 2026
Fog
UV: 0
48°F

Feels
47°F
97% 2.9 WNW 29.99 0%

Sat, May 16th 2026

Sunny skies early, becoming Misty conditions later. Warming trend from 46°F to 72°. Light winds from the WSW at 6.9 mph, with humidity ranging 42% to 97%, and an avg barometric pressure of 29.97 inHg.
Sat, May 16th Temp Humidity Wind (mph) Pressure (inHg) Precip.
12 AM Mist at 12 AM on Sat, May 16th 2026
Mist
UV: 0
48°F

Feels
46°F
97% 3.1 WSW 30 0%
1 AM Mist at 1 AM on Sat, May 16th 2026
Mist
UV: 0
47°F

Feels
45°F
97% 5.1 WSW 30 0%
2 AM Mist at 2 AM on Sat, May 16th 2026
Mist
UV: 0
46°F

Feels
44°F
97% 5.6 WSW 30 0%
3 AM Mist at 3 AM on Sat, May 16th 2026
Mist
UV: 0
46°F

Feels
43°F
96% 5.1 WSW 29.99 0%
4 AM Mist at 4 AM on Sat, May 16th 2026
Mist
UV: 0
46°F

Feels
42°F
97% 6.5 WSW 30 0%
5 AM Mist at 5 AM on Sat, May 16th 2026
Mist
UV: 0
46°F

Feels
42°F
96% 6.5 WSW 30 0%
6 AM Mist at 6 AM on Sat, May 16th 2026
Mist
UV: 0.1
48°F

Feels
44°F
96% 6.5 WSW 30.01 0%
7 AM Sunny at 7 AM on Sat, May 16th 2026
Sunny
UV: 0.5
51°F

Feels
48°F
93% 7.2 WSW 30.03 0%
8 AM Sunny at 8 AM on Sat, May 16th 2026
Sunny
UV: 1.4
55°F

Feels
53°F
86% 7.4 WSW 30.02 0%
9 AM Sunny at 9 AM on Sat, May 16th 2026
Sunny
UV: 2.9
59°F

Feels
58°F
75% 7.8 WSW 30.02 0%
10 AM Sunny at 10 AM on Sat, May 16th 2026
Sunny
UV: 4.7
62°F

Feels
62°F
63% 7.8 WSW 30.01 0%
11 AM Sunny at 11 AM on Sat, May 16th 2026
Sunny
UV: 6.5
65°F

Feels
65°F
57% 7.8 WSW 29.99 0%
12 PM Sunny at 12 PM on Sat, May 16th 2026
Sunny
UV: 7.6
67°F

Feels
67°F
53% 8.1 WSW 29.97 0%
1 PM Sunny at 1 PM on Sat, May 16th 2026
Sunny
UV: 7.4
69°F

Feels
69°F
50% 8.5 WSW 29.96 0%
2 PM Sunny at 2 PM on Sat, May 16th 2026
Sunny
UV: 6.5
70°F

Feels
70°F
46% 8.3 WSW 29.94 0%
3 PM Sunny at 3 PM on Sat, May 16th 2026
Sunny
UV: 5.6
71°F

Feels
71°F
44% 8.5 WSW 29.93 0%
4 PM Sunny at 4 PM on Sat, May 16th 2026
Sunny
UV: 3.9
72°F

Feels
75°F
42% 8.3 WSW 29.92 0%
5 PM Sunny at 5 PM on Sat, May 16th 2026
Sunny
UV: 2.1
71°F

Feels
71°F
46% 7.2 SW 29.91 0%
6 PM Sunny at 6 PM on Sat, May 16th 2026
Sunny
UV: 0.9
68°F

Feels
68°F
51% 7.6 WSW 29.91 0%
7 PM Sunny at 7 PM on Sat, May 16th 2026
Sunny
UV: 0.2
65°F

Feels
65°F
63% 6.5 WSW 29.91 0%
8 PM Sunny at 8 PM on Sat, May 16th 2026
Sunny
UV: 0
62°F

Feels
61°F
71% 6.5 WSW 29.91 0%
9 PM Clear at 9 PM on Sat, May 16th 2026
Clear
UV: 0
60°F

Feels
59°F
74% 6.9 SW 29.91 0%

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Currently

Light rain 51°F
29.7 inHg.
Barometer
94%
Humidity
ENE 5.1mph
Wind
Light rain

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