SOMERSWORTH, NH 03878 Weather Forecast & Current Conditions

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ROCHESTER, NH
Current Weather

1:51 AM EDT MAY 20, 2026
Clear
66°F
Feels Like: 66°F
Dewpoint: 66°F
Rel. Hum.: 100%
Visibility: 10 miles
Wind: Calm
Pressure: 29.85 inches
Last 72 hours

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SOMERSWORTH, NH 03878
Weather Forecast

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TODAY
Partly sunny. A slight chance of showers and thunderstorms this afternoon. Warm with highs in the upper 80s. West winds 15 to 20 mph with gusts up to 35 mph. Chance of rain 20 percent.
TONIGHT
Partly cloudy. A slight chance of showers in the evening. Less humid with lows in the lower 50s. Northwest winds 10 to 15 mph with gusts up to 30 mph. Chance of rain 20 percent.
THURSDAY
Partly sunny. Cooler with highs in the mid 60s. Northwest winds around 10 mph.
THURSDAY NIGHT
Mostly clear. Lows in the upper 30s. Northwest winds around 10 mph with gusts up to 20 mph in the evening, becoming light and variable.
FRIDAY
Mostly sunny. Highs in the mid 60s. Light and variable winds.
FRIDAY NIGHT
Partly cloudy. Lows in the lower 40s.
SATURDAY
Mostly cloudy. Highs in the lower 60s.
SATURDAY NIGHT
Mostly cloudy. Lows in the lower 40s.
SUNDAY
Mostly cloudy with a 40 percent chance of showers. Highs in the mid 50s.
SUNDAY NIGHT
Mostly cloudy. A chance of showers after midnight. Lows in the lower 40s. Chance of rain 50 percent.
MEMORIAL DAY
Mostly cloudy with a 50 percent chance of showers. Highs in the lower 60s.
MONDAY NIGHT
Mostly cloudy with a chance of showers in the evening, then partly cloudy after midnight. Lows in the upper 40s. Chance of rain 50 percent.
TUESDAY
Partly sunny. Highs around 70.

Visible Weather Satellite
SOMERSWORTH, NH 03878
Infrared Weather Satellite
SOMERSWORTH, NH 03878
NEXRAD Weather Radar
SOMERSWORTH, NH 03878

ROCHESTER, NH 3 hourly weather forecast

weather forecast created  8:00 PM EDT  5/19/2026
Wednesday
20 MAY 2026
SOMERSWORTH, NH 03878 weather forecast Day 1, 0 hours 2 AM 70° 70° Clear 1%

0% Thunder
( 1% severe)
SW   5 73% 61°
Low 68° SOMERSWORTH, NH 03878 weather forecast Day 1, 3 hours 5 AM 69° 69° Mostly Cloudy SW   7 76% 61°
High 89° SOMERSWORTH, NH 03878 weather forecast Day 1, 6 hours 8 AM 76° 78° Partly Cloudy 20%
RAIN
<.01 in
0% Thunder
( 5% severe)
W   9 64% 63°

Partly Cloudy

Chance of Rain

SOMERSWORTH, NH 03878 weather forecast Day 1, 9 hours 11 AM 83° 84° Partly Cloudy W   13 51% 63°
SOMERSWORTH, NH 03878 weather forecast Day 1, 12 hours 2 PM 85° 86° Mostly Cloudy 14%
RAIN
<.01 in
0% Thunder
( 3% severe)
W   15 46% 62°
SOMERSWORTH, NH 03878 weather forecast Day 1, 15 hours 5 PM 82° 82° Partly Cloudy WNW   13 43% 57°
SOMERSWORTH, NH 03878 weather forecast Day 1, 18 hours 8 PM 74° 74° Partly Cloudy 3%

0% Thunder
( 1% severe)
NW   8 43% 50°
SOMERSWORTH, NH 03878 weather forecast Day 1, 21 hours 11 PM 64° 64° Mostly Cloudy NW   8 48% 44°
Thursday
21 MAY 2026
SOMERSWORTH, NH 03878 weather forecast Day 2, 0 hours 2 AM 56° 54° Mostly Cloudy 1%

0% Thunder
( 0% severe)
NW   7 53% 39°
Low 50° SOMERSWORTH, NH 03878 weather forecast Day 2, 3 hours 5 AM 51° 49° Mostly Cloudy NNW   6 56% 36°
High 66° SOMERSWORTH, NH 03878 weather forecast Day 2, 6 hours 8 AM 52° 50° Mostly Cloudy 0%

0% Thunder
( 0% severe)
NNW   6 52% 35°

Decreasing Clouds



SOMERSWORTH, NH 03878 weather forecast Day 2, 9 hours 11 AM 57° 57° Partly Cloudy NW   5 42% 34°
SOMERSWORTH, NH 03878 weather forecast Day 2, 12 hours 2 PM 62° 62° Partly Cloudy 0%

0% Thunder
( 0% severe)
WNW   7 35% 34°
SOMERSWORTH, NH 03878 weather forecast Day 2, 15 hours 5 PM 63° 63° Clear NW   8 32% 33°
SOMERSWORTH, NH 03878 weather forecast Day 2, 18 hours 8 PM 57° 57° Partly Cloudy 0%

0% Thunder
( 0% severe)
NW   3 42% 34°
SOMERSWORTH, NH 03878 weather forecast Day 2, 21 hours 11 PM 49° 49° Partly Cloudy   CALM 56% 34°

ROCHESTER, NH extended weather forecast

Friday
22 MAY 2026
Saturday
23 MAY 2026
Sunday
24 MAY 2026
Monday
25 MAY 2026
Tuesday
26 MAY 2026
Low 39° Low 44° Low 42° Low 45° Low 49°
High 71° High 66° High 65° High 61° High 74°
SOMERSWORTH, NH 03878 weather forecast Day 3 SOMERSWORTH, NH 03878 weather forecast Day 4 SOMERSWORTH, NH 03878 weather forecast Day 5 SOMERSWORTH, NH 03878 weather forecast Day 6 SOMERSWORTH, NH 03878 weather forecast Day 7
Clear
1% Rain
Clear
2% Rain
Clear
11% Rain
Overcast
49% Rain
Mostly Cloudy
31% Rain
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