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Weather Portsmouth
New Hampshire · United States
Mon, 04/20
10:15 PM EDT
Weather Portsmouth
now
36°
90 Min. Weather
cloudy
11:00 PM
36
°
20 %
12:00 AM
35
°
10 %
01:00 AM
35
°
10 %
02:00 AM
34
°
10 %
03:00 AM
33
°
10 %
04:00 AM
31
°
10 %
05:00 AM
30
°
10 %
06:00 AM
28
°
10 %
07:00 AM
30
°
10 %
08:00 AM
35
°
10 %
09:00 AM
38
°
10 %
10:00 AM
40
°
10 %
11:00 AM
41
°
10 %
12:00 PM
42
°
10 %
01:00 PM
43
°
10 %
02:00 PM
43
°
20 %
03:00 PM
43
°
20 %
04:00 PM
42
°
10 %
05:00 PM
41
°
10 %
06:00 PM
41
°
10 %
07:00 PM
39
°
10 %
08:00 PM
38
°
10 %
09:00 PM
37
°
10 %
10:00 PM
37
°
10 %
11:00 PM
36
°
10 %
12:00 AM
36
°
10 %
01:00 AM
35
°
10 %
02:00 AM
35
°
20 %
03:00 AM
36
°
20 %
04:00 AM
36
°
20 %
05:00 AM
36
°
20 %
06:00 AM
37
°
20 %
07:00 AM
38
°
20 %
08:00 AM
40
°
20 %
09:00 AM
41
°
30 %
10:00 AM
42
°
30 %
11:00 AM
43
°
50 %
12:00 PM
44
°
30 %
01:00 PM
45
°
30 %
02:00 PM
46
°
40 %
03:00 PM
47
°
50 %
04:00 PM
47
°
40 %
05:00 PM
47
°
30 %
06:00 PM
47
°
20 %
07:00 PM
46
°
20 %
08:00 PM
45
°
20 %
09:00 PM
45
°
20 %
10:00 PM
44
°
20 %
11:00 PM
44
°
20 %
Temperatures drop tonight. You'll need the layers tomorrow morning.
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WeatherRadar
Forecast
Map
Morning
38
°
10 %
Afternoon
43
°
20 %
Evening
37
°
10 %
Night
35
°
20 %
Morning
41
°
50 %
Afternoon
47
°
50 %
Evening
45
°
20 %
Night
42
°
80 %
Morning
48
°
60 %
Afternoon
60
°
40 %
Evening
46
°
10 %
Night
37
°
10 %
Morning
48
°
5 %
Afternoon
52
°
10 %
Evening
45
°
10 %
Night
35
°
10 %
Morning
45
°
10 %
Afternoon
49
°
10 %
Evening
41
°
10 %
Night
39
°
50 %
Morning
45
°
30 %
Afternoon
55
°
20 %
Evening
44
°
20 %
Night
42
°
20 %
Morning
46
°
20 %
Afternoon
57
°
20 %
Evening
44
°
20 %
Night
40
°
20 %
Morning
46
°
20 %
Afternoon
54
°
40 %
Evening
44
°
40 %
Night
44
°
70 %
Morning
46
°
70 %
Afternoon
58
°
60 %
Evening
46
°
40 %
Night
42
°
30 %
Morning
48
°
20 %
Afternoon
57
°
20 %
Evening
47
°
20 %
Night
43
°
20 %
Morning
52
°
20 %
Afternoon
65
°
20 %
Evening
52
°
20 %
Night
47
°
40 %
Morning
54
°
40 %
Afternoon
63
°
40 %
Evening
53
°
50 %
Night
50
°
60 %
Morning
54
°
60 %
Afternoon
63
°
40 %
Evening
50
°
20 %
Night
44
°
20 %
Morning
49
°
20 %
Afternoon
60
°
20 %
Evening
50
°
20 %
Night
42
°
20 %
tomorrow
Tuesday, 04/21
04/21
43
°
28
°
9 h
20 %
Wednesday
Wednesday, 04/22
04/22
47
°
35
°
0 h
50 %
Thursday
Thursday, 04/23
04/23
60
°
42
°
6 h
60 %
Friday
Friday, 04/24
04/24
52
°
37
°
10 h
10 %
Saturday
Saturday, 04/25
04/25
49
°
35
°
12 h
10 %
Sunday
Sunday, 04/26
04/26
55
°
39
°
2 h
30 %
Monday
Monday, 04/27
04/27
57
°
42
°
2 h
20 %
Tuesday
Tuesday, 04/28
04/28
54
°
40
°
3 h
40 %
Wednesday
Wednesday, 04/29
04/29
58
°
44
°
0 h
70 %
Thursday
Thursday, 04/30
04/30
57
°
42
°
2 h
20 %
Friday
Friday, 05/01
05/01
65
°
43
°
7 h
20 %
Saturday
Saturday, 05/02
05/02
63
°
47
°
1 h
40 %
Sunday
Sunday, 05/03
05/03
63
°
50
°
1 h
60 %
Monday
Monday, 05/04
05/04
60
°
44
°
5 h
20 %
Top News
Breezy, low humidity
Dry air increases fire threat in SE
WindRadar
14 day weather
Tu
28
43
We
35
47
Th
42
60
Fr
37
52
Sa
35
49
Su
39
55
Mo
42
57
Tu
40
54
We
44
58
Th
42
57
Fr
43
65
Sa
47
63
Su
50
63
Mo
44
60
Max (°F)
Min (°F)
more
less
TemperatureRadar
UV Index
tomorrow
3
moderate
6-Day UVI Forecast
Mountain and skiing conditions
Current mountain weather
Marine Weather
today
tomorrow
Water 45° / Air 50°
Waves 1.5 ft /
gusts up to 25 mph
Fort Point
High tide 01:32 AM / 02:16 PM
Low tide 07:55 AM / 08:06 PM
Water 45° / Air 43°
Waves 2.5 ft /
gusts up to 25 mph
Fort Point
High tide 02:24 AM / 03:13 PM
Low tide 08:50 AM / 09:02 PM
Current regional conditions
Pease AirForceBase/Portsmouth (101ft)
Mon, 04/20, 09:55 PM
39.2°
overcast
Wind N 8 mph
Skyhaven Arpt Rochester (321ft)
Mon, 04/20, 09:51 PM
33.7°
mostly clear
Wind 0 mph
Sanford Muni Airport (242ft)
Mon, 04/20, 09:56 PM
33.7°
mostly clear
Wind NW 4 mph
Lawrence Muni Airport (147ft)
Mon, 04/20, 09:54 PM
39.2°
overcast
Wind N 4 mph
Past weather
Weather Station Pease AirForceBase/Portsmouth
Maximum Temperature [°F] 03/25/2026 to 04/20/2026
RainRadar
Air quality
right now
Poss. Unhealthy
6-Day Air Quality Forecast
Astro info
tomorrow
10:15 PM local time
Sun
05:51 AM
07:32 PM
13h 41min
Moon
08:33 AM
12:13 AM
Waxing crescent
News
Eastern U.S.
Record cold kicks off the week
More news
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