SOMERSWORTH, NH 03878 Weather Forecast & Current Conditions
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  03878 WEATHER WARNINGS (SEVERE T-STORM & TORNADO)
 CURRENT WEATHER

ROCHESTER, NH
Current Weather
12:51 PM EDT SEP 15, 2026
Clear
68°F
Feels Like: 68°F
Dewpoint: 50°F
Rel. Hum.: 53%
Visibility: 10 miles
Wind: Calm
Pressure: 30.39 inches
Last 72 hours

Local Area Snow Depth

New Hampshire Current Weather

New Hampshire MOS Forecast Weather


Regional Weather Maps

(Automated weather data from NWS/FAA)
  03878 WEATHER FORECAST
10-Day model forecast maps
2026 Hurricanes

SOMERSWORTH, NH 03878
Weather Forecast

 Snowfall Forecast pages
Snow Depth pages
TODAY
Mostly sunny. Highs in the upper 60s. Light and variable winds, becoming south around 10 mph this afternoon.
TONIGHT
Partly cloudy in the evening, then clearing. Lows in the upper 40s. Light and variable winds.
WEDNESDAY
Partly sunny. Highs in the upper 70s. Light and variable winds.
WEDNESDAY NIGHT
Partly cloudy. Lows in the upper 50s. Light and variable winds.
THURSDAY
Partly sunny. Highs in the mid 70s. Light and variable winds.
THURSDAY NIGHT
Becoming mostly cloudy after midnight. Showers likely, mainly in the evening. Lows in the upper 50s. Chance of rain 60 percent.
FRIDAY
Partly sunny. Highs in the mid 70s.
FRIDAY NIGHT
Mostly clear. Lows in the upper 40s.
SATURDAY
Partly sunny. Highs in the mid 60s.
SATURDAY NIGHT
Partly cloudy in the evening, then mostly cloudy with a chance of showers after midnight. Lows around 50. Chance of rain 50 percent.
SUNDAY
Showers likely. Highs in the mid 60s. Chance of rain 60 percent.
SUNDAY NIGHT
Showers likely, mainly in the evening. Lows in the lower 50s. Chance of rain 60 percent.
MONDAY
Partly sunny with a 30 percent chance of showers. Highs in the mid 60s.

  03878 WEATHER SATELLITE LOOPS
Visible Weather Satellite
SOMERSWORTH, NH 03878
Infrared Weather Satellite
SOMERSWORTH, NH 03878
  03878 WEATHER RADAR LOOP
NEXRAD Weather Radar
SOMERSWORTH, NH 03878
 MOS COMPUTER WEATHER FORECAST

ROCHESTER, NH 3 hourly weather forecast
weather forecast created  8:00 AM EDT  9/15/2026
Tuesday
15 SEP 2026		 SOMERSWORTH, NH 03878 weather forecast Day 1, 12 hours 2 PM 68° 68° Partly Cloudy 0%

 0% Thunder
( 0% severe)		   CALM 49% 48°
High 69° SOMERSWORTH, NH 03878 weather forecast Day 1, 15 hours 5 PM 66° 66° Mostly Cloudy SSE   6 56% 50°
Partly Cloudy



 SOMERSWORTH, NH 03878 weather forecast Day 1, 18 hours 8 PM 56° 56° Partly Cloudy 2%

 0% Thunder
( 0% severe)		 SSE   1 74% 48°
SOMERSWORTH, NH 03878 weather forecast Day 1, 21 hours 11 PM 52° 52° Partly Cloudy   CALM 93% 50°
Wednesday
16 SEP 2026		 SOMERSWORTH, NH 03878 weather forecast Day 2, 0 hours 2 AM 51° 51° Partly Cloudy 3%

 0% Thunder
( 0% severe)		   CALM 93% 49°
Low 47° SOMERSWORTH, NH 03878 weather forecast Day 2, 3 hours 5 AM 50° 50° Partly Cloudy SSW   1 96% 49°
High 81° SOMERSWORTH, NH 03878 weather forecast Day 2, 6 hours 8 AM 54° 54° Mostly Cloudy 7%

 0% Thunder
( 1% severe)		 S   3 90% 51°

Partly Cloudy



 SOMERSWORTH, NH 03878 weather forecast Day 2, 9 hours 11 AM 68° 68° Partly Cloudy SW   5 65% 56°
SOMERSWORTH, NH 03878 weather forecast Day 2, 12 hours 2 PM 77° 79° Partly Cloudy 1%

 0% Thunder
( 0% severe)		 SW   3 54% 59°
SOMERSWORTH, NH 03878 weather forecast Day 2, 15 hours 5 PM 78° 80° Partly Cloudy   CALM 56% 61°
SOMERSWORTH, NH 03878 weather forecast Day 2, 18 hours 8 PM 68° 68° Partly Cloudy 0%

 0% Thunder
( 0% severe)		   CALM 78% 61°
SOMERSWORTH, NH 03878 weather forecast Day 2, 21 hours 11 PM 63° 64° Partly Cloudy   CALM 93% 61°
Thursday
17 SEP 2026		 SOMERSWORTH, NH 03878 weather forecast Day 3, 0 hours 2 AM 60° 61° Mostly Cloudy 13%
RAIN
<.01 in		 0% Thunder
( 0% severe)		   CALM 100% 60°
Low 57° SOMERSWORTH, NH 03878 weather forecast Day 3, 3 hours 5 AM 59° 60° Mostly Cloudy   CALM 96% 58°
High 76° SOMERSWORTH, NH 03878 weather forecast Day 3, 6 hours 8 AM 61° 62° Mostly Cloudy 16%
RAIN
***		 0% Thunder
( 1% severe)		   CALM 93% 59°

Mostly Cloudy

Chance of Rain

 SOMERSWORTH, NH 03878 weather forecast Day 3, 9 hours 11 AM 69° 69° Mostly Cloudy   CALM 76% 61°
SOMERSWORTH, NH 03878 weather forecast Day 3, 15 hours 2 PM 73° 73° Mostly Cloudy 26%
RAIN
.1–.25 in		 0% Thunder
( 4% severe)		 SE   3 68% 62°
SOMERSWORTH, NH 03878 weather forecast Day 3, 18 hours 5 PM 71° 71° Mostly Cloudy ESE   3 73% 62°
SOMERSWORTH, NH 03878 weather forecast Day 3, 21 hours 8 PM 65° 65° Mostly Cloudy       CALM 90% 62°

ROCHESTER, NH extended weather forecast
Friday
18 SEP 2026		 Saturday
19 SEP 2026		 Sunday
20 SEP 2026		 Monday
21 SEP 2026		 Tuesday
22 SEP 2026
Low 56° Low 45° Low 52° Low 48° Low 48°
High 76° High 67° High 68° High 68° High 69°
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 <!--SEARCHED_TOWN_NAME--> weather forecast Day 8
Mostly Cloudy
43% Rain		 Clear
7% Rain		 Overcast
55% Rain		 Partly Cloudy
30% Rain		 Partly Cloudy
39% Rain
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