10-Day Weather Forecast for Portsmouth, New Hampshire - The Weather Channel | weather.com
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10 Day Weather-

As of 1:02 am EDT
alertLevel3

Small Craft Advisory

Tonight

Rain Rain
--/37°
Rain drop 97%
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Night

37°
Rain
Rain drop
97%
SSW 7 mph

Periods of rain. Low 37F. Winds SSW at 5 to 10 mph. Chance of rain 100%.

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  • Humidity
    Humidity90%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise2:40 am
  • Moonset
    Moonset10:54 am
  • Moon Phase - Day 22 Last Quarter

Thu 12

Cloudy Cloudy
51°/24°
Rain drop 24%
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Day

51°
Cloudy
Rain drop
24%
W 14 mph

Cloudy. Morning high of 51F with temps falling to near 40. Winds W at 10 to 20 mph.

  • Humidity
    Humidity68%
  • UV index
    UV Index2 of 11
  • Sunrise
    Sunrise7:00 am
  • Sunset
    Sunset6:45 pm

Night

24°
Partly Cloudy Night
Snowflake
24%
WNW 11 mph

Evening clouds will give way to clearing. Low 24F. Winds WNW at 10 to 15 mph.

  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise3:33 am
  • Moonset
    Moonset11:48 am
  • Moon Phase - Day 23 Waning Crescent

Fri 13

Partly Cloudy Day Partly Cloudy
41°/34°
Rain drop 24%
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Day

41°
Partly Cloudy Day
Rain drop
24%
SW 12 mph

Sunshine early then becoming cloudy later in the day. High 41F. Winds SW at 10 to 15 mph.

  • Humidity
    Humidity45%
  • UV index
    UV Index3 of 11
  • Sunrise
    Sunrise6:58 am
  • Sunset
    Sunset6:46 pm

Night

34°
Rain, Snow, Wintery Mix
Mixed precipitation
51%
SSW 11 mph

Cloudy with rain and snow showers early changing to mainly rain showers later on. Low 34F. Winds SSW at 10 to 15 mph. Chance of precip 50%.

  • Humidity
    Humidity72%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise4:17 am
  • Moonset
    Moonset12:50 pm
  • Moon Phase - Day 24 Waning Crescent

Sat 14

Partly Cloudy Day Partly Cloudy
44°/25°
Rain drop 13%
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Day

44°
Partly Cloudy Day
Rain drop
13%
W 19 mph

Intervals of clouds and sunshine. High 44F. Winds W at 15 to 25 mph. Higher wind gusts possible.

  • Humidity
    Humidity57%
  • UV index
    UV Index3 of 11
  • Sunrise
    Sunrise6:56 am
  • Sunset
    Sunset6:48 pm

Night

25°
Mostly Clear Night
Mixed precipitation
1%
WNW 15 mph

Mostly clear skies. Low near 25F. Winds WNW at 10 to 20 mph.

  • Humidity
    Humidity55%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise4:54 am
  • Moonset
    Moonset1:57 pm
  • Moon Phase - Day 25 Waning Crescent

Sun 15

Cloudy Cloudy
40°/36°
Rain drop 7%
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Day

40°
Cloudy
Rain drop
7%
ESE 10 mph

Cloudy. High near 40F. N winds shifting to SE at 10 to 15 mph.

  • Humidity
    Humidity51%
  • UV index
    UV Index3 of 11
  • Sunrise
    Sunrise6:54 am
  • Sunset
    Sunset6:49 pm

Night

36°
Rain
Rain drop
86%
SE 11 mph

Cloudy skies with periods of rain after midnight. Low 36F. Winds SE at 10 to 15 mph. Chance of rain 90%.

  • Humidity
    Humidity73%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise5:24 am
  • Moonset
    Moonset3:07 pm
  • Moon Phase - Day 26 Waning Crescent

Mon 16

Rain Rain
56°/33°
Rain drop 90%
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Day

56°
Rain
Rain drop
90%
SSE 18 mph

Rain. High 56F. Winds SSE at 15 to 25 mph. Chance of rain 90%. Rainfall around a half an inch.

  • Humidity
    Humidity86%
  • UV index
    UV Index2 of 11
  • Sunrise
    Sunrise6:53 am
  • Sunset
    Sunset6:50 pm

Night

33°
Rain
Rain drop
86%
SSW 15 mph

Periods of rain. Low 33F. Winds SSW at 10 to 20 mph. Chance of rain 90%. Rainfall around a quarter of an inch.

  • Humidity
    Humidity84%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise5:49 am
  • Moonset
    Moonset4:18 pm
  • Moon Phase - Day 27 Waning Crescent

Tue 17

Partly Cloudy Day AM Clouds/PM Sun
40°/17°
Rain drop 24%
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Day

40°
Partly Cloudy Day
Mixed precipitation
24%
W 16 mph

Cloudy early with partial sunshine expected late. Cold. High near 40F. Winds W at 10 to 20 mph.

  • Humidity
    Humidity47%
  • UV index
    UV Index4 of 11
  • Sunrise
    Sunrise6:51 am
  • Sunset
    Sunset6:51 pm

Night

17°
Partly Cloudy Night
WNW 12 mph

Clear to partly cloudy. Low 17F. Winds WNW at 10 to 15 mph.

  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise6:11 am
  • Moonset
    Moonset5:30 pm
  • Moon Phase - Day 28 Waning Crescent

Wed 18

Mostly Clear Day Mostly Sunny
33°/22°
Rain drop 0%
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Day

33°
Mostly Clear Day
W 9 mph

Mostly sunny skies. High 33F. Winds W at 5 to 10 mph.

  • Humidity
    Humidity38%
  • UV index
    UV Index4 of 11
  • Sunrise
    Sunrise6:49 am
  • Sunset
    Sunset6:53 pm

Night

22°
Partly Cloudy Night
Snowflake
6%
N 6 mph

A few clouds from time to time. Low 22F. Winds N at 5 to 10 mph.

  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise6:32 am
  • Moonset
    Moonset6:43 pm
  • Moon Phase - Day 29 New Moon

Thu 19

Partly Cloudy Day Partly Cloudy
39°/30°
Rain drop 10%
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Day

39°
Partly Cloudy Day
Mixed precipitation
10%
ESE 10 mph

Partly cloudy skies. High 39F. Winds ESE at 5 to 10 mph.

  • Humidity
    Humidity52%
  • UV index
    UV Index4 of 11
  • Sunrise
    Sunrise6:47 am
  • Sunset
    Sunset6:54 pm

Night

30°
Scattered Snow Showers Night
Snowflake
34%
S 8 mph

Mostly cloudy with snow showers developing after midnight. Low near 30F. Winds S at 5 to 10 mph. Chance of snow 30%.

  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise6:53 am
  • Moonset
    Moonset7:58 pm
  • Moon Phase - Day 0 New Moon

Fri 20

Rain, Snow, Wintery Mix Rain/Snow
45°/32°
Rain drop 38%
Add

Day

45°
Rain, Snow, Wintery Mix
Rain drop
38%
S 12 mph

Rain and snow in the morning. The rain and snow will change to rain showers in the afternoon. High around 45F. Winds S at 10 to 15 mph. Chance of rain 40%.

  • Humidity
    Humidity62%
  • UV index
    UV Index3 of 11
  • Sunrise
    Sunrise6:46 am
  • Sunset
    Sunset6:55 pm

Night

32°
Showers
Rain drop
40%
SSW 9 mph

Overcast with showers at times. Low 32F. Winds SSW at 5 to 10 mph. Chance of rain 40%.

  • Humidity
    Humidity77%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise7:16 am
  • Moonset
    Moonset9:16 pm
  • Moon Phase - Day 2 Waxing Crescent

Sat 21

Scattered Showers Day AM Showers
45°/27°
Rain drop 36%
Add

Day

45°
Scattered Showers Day
Rain drop
36%
W 13 mph

A few showers early with mostly cloudy conditions later in the day. High around 45F. Winds W at 10 to 15 mph. Chance of rain 40%.

  • Humidity
    Humidity64%
  • UV index
    UV Index4 of 11
  • Sunrise
    Sunrise6:44 am
  • Sunset
    Sunset6:56 pm

Night

27°
Partly Cloudy Night
Mixed precipitation
17%
WNW 11 mph

Mostly cloudy skies early, then partly cloudy after midnight. Low 27F. Winds WNW at 10 to 15 mph.

  • Humidity
    Humidity61%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise7:41 am
  • Moonset
    Moonset10:35 pm
  • Moon Phase - Day 3 Waxing Crescent

Sun 22

Partly Cloudy Day Partly Cloudy
40°/25°
Rain drop 5%
Add

Day

40°
Partly Cloudy Day
Rain drop
5%
NW 13 mph

Partly cloudy skies. High near 40F. Winds NW at 10 to 20 mph.

  • Humidity
    Humidity48%
  • UV index
    UV Index4 of 11
  • Sunrise
    Sunrise6:42 am
  • Sunset
    Sunset6:57 pm

Night

25°
Mostly Cloudy Night
Snowflake
12%
NW 10 mph

Mostly cloudy skies. Low around 25F. Winds NW at 5 to 10 mph.

  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise8:11 am
  • Moonset
    Moonset11:56 pm
  • Moon Phase - Day 4 Waxing Crescent

Mon 23

Partly Cloudy Day Partly Cloudy
41°/27°
Rain drop 11%
Add

Day

41°
Partly Cloudy Day
Rain drop
11%
WNW 12 mph

Partly cloudy. High 41F. Winds WNW at 10 to 15 mph.

  • Humidity
    Humidity55%
  • UV index
    UV Index4 of 11
  • Sunrise
    Sunrise6:40 am
  • Sunset
    Sunset6:59 pm

Night

27°
Partly Cloudy Night
Mixed precipitation
16%
WNW 9 mph

Partly cloudy in the evening with more clouds for later at night. Low 27F. Winds WNW at 5 to 10 mph.

  • Humidity
    Humidity67%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise8:50 am
  • Moonset
    Moonset--
  • Moon Phase - Day 5 Waxing Crescent

Tue 24

Partly Cloudy Day Partly Cloudy
45°/28°
Rain drop 19%
Add

Day

45°
Partly Cloudy Day
Rain drop
19%
WNW 11 mph

Considerable clouds early. Some decrease in clouds later in the day. High around 45F. Winds WNW at 10 to 15 mph.

  • Humidity
    Humidity60%
  • UV index
    UV Index4 of 11
  • Sunrise
    Sunrise6:38 am
  • Sunset
    Sunset7:00 pm

Night

28°
Rain, Snow, Wintery Mix
Mixed precipitation
49%
NW 9 mph

A few showers early changing to snow showers late. Low 28F. Winds NW at 5 to 10 mph. Chance of precip 50%. About one inch of snow expected.

  • Humidity
    Humidity71%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise9:41 am
  • Moonset
    Moonset1:13 am
  • Moon Phase - Day 6 Waxing Crescent

Wed 25

Snow Showers AM Snow Showers
44°/27°
Rain drop 49%
Add

Day

44°
Snow Showers
Snowflake
49%
NNW 12 mph

Mostly cloudy with snow showers around in the morning. High 44F. Winds NNW at 10 to 15 mph. Chance of snow 50%.

  • UV index
    UV Index4 of 11
  • Sunrise
    Sunrise6:37 am
  • Sunset
    Sunset7:01 pm

Night

27°
Mostly Cloudy Night
Mixed precipitation
24%
NNW 9 mph

Mainly cloudy. Low 27F. Winds NNW at 5 to 10 mph.

  • Humidity
    Humidity67%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise10:42 am
  • Moonset
    Moonset2:21 am
  • Moon Phase - Day 7 First Quarter
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